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2017

19608714Global communication network
29596038Random spread spectrum modulation
39591594Signaling of power information for MIMO transmission in a wireless communication system
49590692Distributed appropriation and defense of time slot ownership in a channel hopping schedule
59584176Embedded meta-carrier with spread spectrum via overlaid carriers
69578447High speed overlay mode for burst data and real time streaming (audio) applications
79577703System and method for low density spreading modulation detection
89571321Methods and systems for OFDM using code division multiplexing
99564963Automatic power control system for a code division multiple access (CDMA) communications system
109564936Radio frequency feedthrough to portable device
119559748Methods and apparatuses using filter banks for multi-carrier spread spectrum signals
129549402Method and apparatus for utilizing multiple carriers in high speed packet access communications technical field
139548789Breaking up symbols for spectral widening
149544101Apparatus and method for transmitting/receiving the hybrid-ARQ ACK/NACK signal in mobile communication system
159544013Channel encoding based on temporal spreading of input block

2016

169531431Devices and methods employing hermetic transforms for encoding and decoding digital information in spread-spectrum communications systems
179525574Methods and apparatus for constant baud rate communication with varying effective data rate
189525455Simple and robust digital code tracking loop for wireless communication systems
199515802Method for operating terminal in carrier aggregation system, and apparatus using said method
209515768Method of detecting a jamming transmitter affecting a communication user equipment, device and user equipment and system with the user equipment
219509366Interference estimation circuit and method
229504014Methods and apparatuses for P-CCPCH-aided channel estimation in wireless systems
239503227Apparatus and method for transmitting/receiving the hybrid-ARQ ACK/NACK signal in mobile communication system
249503153Spread spectrum GMSK signals
259503152Methods and apparatus for generating composite code sequences
269498159Analyte monitoring device and methods of use
279497056Conveying metadata by modulation of pilot carriers in COFDM broadcasting
289496992Apparatus and method for transmitting/receiving the hybrid-ARQ ACK/NACK signal in mobile communication system
299496985Decoding system and decoding method
309496915Use of orthogonal or near orthogonal codes in reverse link
319485126Signal combining system for constant envelope transmission of information
329480083Dedicated pilot decoding method and user equipment
339479217Method and apparatus for communicating data in a digital chaos cooperative network
349479216Spread spectrum method and apparatus
359479215Processing digital samples in a wireless receiver
369473202Detection of scrambling code confusion
379467201Transmission signal generating/detecting method using code sequences, communication system using the same and measurement system using the same
389467200Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals
399461767Code generating apparatus, reference signal generating apparatus, and methods thereof
409461699Method and system for data and voice transmission over shared and dedicated channels
419455763Evaluation of compressed sensing in UWB systems with NBI
429450716Cross-correlated digital wireless communication system
439438458Method and apparatus for converting analog radio frequency (RF) signals to the digital domain in a multiband and multicarrier wireless communication system
449438306Method of determining the position of a device and a device that implements the method
459438305Method for transmitting non binary error correcting code words with CCSK modulation, and corresponding signal and device
469438074Apparatus and method for transmitting wireless power
479432522Operations method for providing wireless communication services
489432152Video multimode multimedia data communication systems
499432077DSSS preamble detection for smart utility networks
509426761Wireless communication device
519425854Spread spectrum signals in vehicle network systems
529413421Algebraic generators of sequences for communication signals
539413419Phase-optimized constant envelope transmission (POCET) method, apparatus and system
549413418Synchronization of a real-time UWB locating system
559407418Channelizing packet acknowledgments for multiple data channels in wireless communication
569407377Interference cancellation
579401740Training sequences and channel estimation method for spread spectrum based systems
589398542Apparatus and methods for determination of gain factors for wireless communication transmission power
599397808Reverse link pilot integrated with block codes
609397723Spread spectrum wireless over non-contiguous channels
619392451Systems/methods of conducting a financial transaction using a smartphone
629391669Communication using multiple conductor cable
639385860Fractional PLL circuit
649385778Low-power circuit and implementation for despreading on a configurable processor datapath
659385777Asymmetrical forward/reverse transmission bandwidth
669385776Data channel noise estimation using pilot channel
679369866Methods and apparatuses using filter banks for multi-carrier spread spectrum signals
689369235Maximizing data rate by adjusting codes and code rates
699356748System and method for scalable digital communications with adaptive system parameters
709356649System and method for low density spreading modulation detection
719356648Frequency offset acquisition for wireless communications
729356647Device and method of feeding back channel information
739350514Sending full channel quality indication reports on TDM channel in wireless communication
749350415Process for assigning a finger of a rake receiver in idle mode, and apparatus for carrying out the process
759350413Method for generating unambiguous correlation function for CBOC(6,1,1/11) signal based on multi stage composition of partial correlation functions, apparatus for tracking CBOC signals and satellite navigation signal receiver system
769345025Method for using a base station to selectively utilize channels to support a plurality of communications
779345004Method and apparatus for multiplexing control and data channel
789344253Radio communication apparatus and radio communication method
799344212Communication system, response notifying method and apparatus
809338756Signaling of power information for MIMO transmission in a wireless communication system
819337995GNSS reception using distributed time synchronization
829332429Systems/methods of adaptively varying a spectral content of communications
839319201Reverse link pilot with selective gating in wireless communication
849319097Method for generating binary offset carrier correlation function based on local signals, apparatus for tracking binary offset carrier signal, and spread spectrum signal receiver system
859319096Ultrasonic communication between devices
869319095DSSS inverted spreading for smart utility networks
879313066Application of sequence hopping and orthogonal covering codes to uplink reference signals
889313009Radio communication apparatus and radio communication method
899312880Method and apparatus for spectrum spreading of a pulse-density modulated waveform
909306779Chaotic communication systems and methods
919300354Receiver for acquiring and tracking spread spectrum navigation signals with changing subcarriers
929294144Method and apparatus for an adaptive filter architecture
939281985Application of sequence hopping and orthogonal covering codes to uplink reference signals
949281984Application of sequence hopping and orthogonal covering codes to uplink reference signals
959281983Application of sequence hopping and orthogonal covering codes to uplink reference signals
969281982Application of sequence hopping and orthogonal covering codes to uplink reference signals
979281864Method and apparatus for an adaptive filter architecture
989281863Application of sequence hopping and orthogonal covering codes to uplink reference signals
999281862Application of sequence hopping and orthogonal covering codes to uplink reference signals
1009277499Idle mode power consumption reduction in wireless communications
1019276793Application of sequence hopping and orthogonal covering codes to uplink reference signals
1029276669Random access channel preamble
1039252836Method, devices and chip block for DS-CDMA
1049247511Synchronization in a flexible bandwidth wireless network
1059246539Integrated circuit for controlling selection of random access preamble sequence
1069246538Method and device for decoding signal in wireless communication system
1079244727Method and apparatus for implementing task-process-table based hardware control
1089240892Method and apparatus for reduction of communications media energy consumption
1099240840Inter-vehicle communication apparatus and method using visible light communication
1109236933Apparatus and method for transmitting and receiving data using multi-path in wireless communication system of distributed MAC
1119231653UWB receiver with time drift correction
1129231650Method and apparatus for an adaptive filter architecture
1139231649Method for generating unambiguous correlation function for TMBOC(6,1,4/33) signal based on equally split partial correlation functions, apparatus for tracking TMBOC signals and satellite navigation signal receiver system

2015

1149226249Modified SIR values for fast power control
1159225385Method for spreading a plurality of data symbols onto subcarriers of a carrier signal
1169225384Methods and apparatus for generating composite code sequences
1179225383System and method for implementation of a direct sequence spread spectrum transmitter
1189223028System and method for fast code phase and carrier frequency acquisition in GPS receiver
1199215702Method and apparatus for processing data and base station
1209215648Apparatus and method of inter-radio access technology searching
1219215587Methods and apparatuses for self-generating fault-tolerant keys in spread-spectrum systems
1229215119Application of sequence hopping and orthogonal covering codes to uplink reference signals
1239215044Apparatus and method for transmitting/receiving the hybrid-ARQ ACK/NACK signal in mobile communication system
1249214982Activated code channel detection method and device
1259210106Communication device for wideband code division multiple access communication (W-CDMA) system, a method for use therein and an associated semiconductor device
1269209946Packet transferring method, mobile communication system and mobile station
1279209856Spread spectrum non-linear junction detector
1289204324Detection of scrambling code confusion
1299203464Communication apparatus and communication method in wireless power transmission system
1309198185Mechanism for aggregating uplink interference information for use in multi-carrier systems
1319198140Radio base station and control method thereof
1329197392Transmitting spread signal in communication system
1339197283Reconfigurable wideband channelized receiver
1349197282Phase-optimized constant envelope transmission (POCET) method, apparatus and system
1359191913Method for locating a terminal at the surface of a coverage area by means of a telecommunication network using a multi-beam satellite
1369191060Distributive source coding and signal processing
1379191059Processing digital samples in a wireless receiver
1389185687Transmission and reception bandwidth setting method, mobile terminal and base station in radio communication system that defines a plurality of signal bandwidths
1399185671Method for reducing power consumption in bluetooth and CDMA modes of operation
1409185553Systems/methods of preferential communications
1419184785Cellular communications system
1429182474Method for localizing an object
1439178640Determination of network synchronization
1449178578Master-slave architecture in a closed loop transmit diversity scheme
1459178561Method and apparatus for correlating signals received from a navigation satellite system
1469172423Correlator time delay extraction for wireless acoustic sensors
1479166748Apparatus and method for transmitting/receiving the hybrid-ARQ ACK/NACK signal in mobile communication system
1489166630Adaptive radio communications systems and methods
1499160581Receiver with Doppler tolerant equalization
1509160487Wireless link to transmit digital audio data between devices in a manner controlled dynamically to adapt to variable wireless error rates
1519160401Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system
1529154588Backward looking robust header compression receiver
1539154348Systems and methods for improving communication sensitivity
1549154179Receiver with bypass mode for improved sensitivity
1559148195Mode hopping spread spectrum modulation
1569143188Spreading sequence selection
1579137792Method and apparatus for utilizing multiple carriers in high speed packet access communications technical field
1589137081Satellite navigational signal generating method generating device receiving method and receiving device
1599131486Control signal transmission for wireless communication systems
1609131450Method for controlling uplink transmission power for transmitting a plurality of codewords in a wireless communication system that supports a plurality of antennas, and apparatus for performing the method
1619130734Multi-tone concatenated spread spectrum communications
1629130661Method and master clock for generating fail-silent synchronization messages
1639130649Asymmetrical forward/reverse transmission bandwidth
1649124480Method and apparatus for spectrum sensing
1659124344Pilot reference transmission for a wireless communication system
1669119189Control signal aggregation in a multi-carrier WCDMA system
1679118387Pilot reference transmission for a wireless communication system
1689116234System, method, and computer program for a low power and low cost GNSS receiver
1699112595Transmission device, reception device, and radio communication method
1709106323Method and apparatus for determining whether a channel is busy
1719100250Pre-phase error correction
1729100106Method and apparatus for configuring low power network
1739097783System and method for positioning using hybrid spectral compression and cross correlation signal processing
1749094108Spread-spectrum modulation and demodulation
1759088347Method and device for recognizing a communicating mobile terminal
1769088346System and method for a broadcast recovery carrier channel for static and dynamic carrier systems
1779088345Transmission of information in a wireless communication system
1789083445Symbol interleave for wireless communications
1799077442DSSS inverted spreading for smart utility networks
1809065552Method and apparatus of transmitting data based on frequency hopping
1819065523Multiple-input multiple-output (MIMO) communication system
1829060306Estimation of channel quality indicator using additional reference signals
1839059784Space based authentication utilizing signals from low and medium earth orbit
1849055034Backward looking robust header compression receiver
1859054765Systems and methods for suppressing interference in a wireless communication system
1869036682Phase multi-path mitigation
1879035902Electronic device and control method thereof
1889020020System and method for a Krylov Method Symbol equalizer
1899014236Method, apparatus, receiver, computer program and storage medium for joint detection
1909008594Method and system of adaptive communication in the HF band
1918989236Method and apparatus for performing frequency synchronization
1928976843Method and systems for OFDM using code division multiplexing
1938976726Identification, alignment and cross polarization optimization for orthogonal polarized transmission and relay systems
1948958460Forward error correction media access control system
1958934518Method and system for transmission of identification via metadata for repeating relays using spread-spectrum technology
1968929420Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system

2014

1978923362Wireless communications system with secondary synchronization code based on values in primary synchronization code
1988917756Wireless communications system with secondary synchronization code based on values in primary synchronization code
1998902931Track circuit apparatus for train
2008897337Method and device for estimating ratio of average chip energy to total transmit power spectrum density
2018873603Method and apparatus for amplitude modulation of spread signal
2028837555Light monitoring system with antenna diversity
2038831072Electric monitoring system using a random phase multiple access system
2048831069Water monitoring system using a random phase multiple access system
2058831068Gas monitoring system using a random phase multiple access system
2068830903Identification, alignment and cross polarization optimization for orthogonal polarized transmission and relay systems
2078824578System and method of single-carrier layer shifting for multiple-stream transmission facilitating SIC implementation
2088824524Fault circuit indicator system using a random phase multiple access system
2098817845Smart transformer using a random phase multiple access system
2108811453Dynamic power scaling of an intermediate symbol buffer associated with covariance computations
2118780954Wireless communication apparatus and wireless communication method
2128755425Method and system for transmission of identification via metadata for repeating relays using spread-spectrum technology
2138730255Video signal processing circuit, video signal processing method used in same, and image display device using same
2148723721Optimized multistatic surveillance system
2158718119Spread-carrier self-detecting code receiver with summed delay processing and methods for signal acquisition and detection
2168711814Radio communication device and sequence length adjusting method
2178705956Carrier frequency offset (CFO) estimator with low complexity and high accuracy for orthogonal-frequency-division-multiplexing (CO-OFDM) systems
2188705641Orthogonal frequency division multiplexing-code division multiple access system
2198699543Transmission of information in a wireless communication system
2208693526Unipolar spread spectrum modulation for low computation and power cost signal multiplexing with application to fNIRS measurments
2218693521Method and apparatus for packet acquisition
2228681834Wireless communications system with secondary synchronization code based on values in primary synchronization code
2238670490Signal transmission apparatus
2248644364Method and system for computing a cell normalization factor by sharing arithmetic units in a rake receiver to reduce overall implementation area
2258644362Hybrid pseudo-random noise and chaotic signal implementation for covert communication
2268630360Method of transmitting reference signal in wireless communication system
2278630332GNSS signal processor
2288625656Channel estimation for wireless communication

2013

2298619835Synchronized broadcast/multicast communication
2308619834Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system
2318611399Synchronized system configuration
2328605834Method and system for generating information for use in detecting a signal
2338599903QR-RLS adaptive digital filter with 18-bit pipeline architecture
2348594156Multi-carrier spread spectrum device using cyclic shift orthogonal keying, transmitter, receiver, and communication system thereof
2358594155Multi-carrier transmitter design on adjacent carriers in a single frequency band on the uplink in W-CDMA/HSPA
2368594154Apparatus and method for transmitting and receiving signal in multi-antenna communication system
2378594153Spread-spectrum receiver with progressive fourier transform
2388588277High data rate CDMA wireless communication system using variable sized channel codes
2398588276Methods and systems for OFDM using code division multiplexing
2408588275Electronic device and method for spread spectrum clock (SSC) modulation
2418582623Multiplexed CDMA and GPS searching
2428582621Synchronized broadcast/multicast communication
2438582620Radio communication apparatus, radio base station, radio network controller, and transmission power control method
2448576893Systems and methods for high data rate ultra wideband communication
2458565289Forward error correction media access control system
2468565286Despreading circuit and electronic apparatus
2478565196Simultaneous use of multiple phone numbers in mobile device by sharing hardware
2488559555Method of acquiring a received spread spectrum signal
2498537788Apparatus and method of transmitting ACK/NACK information and apparatus and method of receiving ACK/NACK information
2508532160Radio communication device and response signal spreading method
2518520721RSSI measurement mechanism in the presence of pulsed jammers
2528520494Precoding method for reducing uplink PAPR and apparatus thereof
2538514911Method and apparatus for clock drift compensation during acquisition in a wireless communication system
2548509836Combined open loop/closed loop method for controlling uplink power of a mobile station
2558509287Method and system for diversity processing utilizing a programmable interface suppression module
2568509283Method for generating a reference signal sequence using grouping
2578503506Method and system for interference suppression in WCDMA systems
2588503505Apparatus and method for transmitting/receiving data in a communication system
2598503356Wireless communication method and apparatus for selecting cells in an OFDMA system
2608498569Low-cost satellite communication system
2618498324Method and system for interference suppression between multipath signals utilizing a programmable interface suppression module
2628498323Zonal UWB receiver and method
2638498273Management of uplink resources in multi-carrier CDMA system
2648498254Distributing method for physical hybrid ARQ indicator channel resources
2658493941Method to control the effects of out-of-cell interference in a wireless cellular system using over-the-air feedback control
2668483259Method for providing packet framing in a communication system
2678477830Light monitoring system using a random phase multiple access system
2688477829Differential detection a communication system
2698472503Method and apparatus for performing frequency synchronization
2708472500Joint demodulation and synchronization in ultra wideband systems
2718472480Spread code allocating method, despreading method, transmitting device, receiving device, communicating device, wireless base station device, and mobile terminal device
2728467434GNSS receiver and method for GNSS memory code generation
2738467431Human body communication system and communication method thereof
2748457177System and method for fast code phase and carrier frequency acquisition in GPS receiver
2758451958Coarse time synchronization
2768442096Low I/O bandwidth method and system for implementing detection and identification of scrambling codes
2778437380Channel estimation for wireless communication
2788432953Method and apparatus for efficient gold code generation and management in WCDMA systems
2798432952Method and apparatus for DS-CDMA interference suppression using code-specific combining
2808432950Radio control transmitter and method for communication in the same
2818428107Code detection by using genetic algorithms
2828428101System and method for interference triggered frequency hopping
2838416838Method and apparatus for managing finger resources in a communication system
2848411531Modulation device, demodulation device, and acoustic signal transmission method
2858406327Wireless communication apparatus, wireless communication system, and transmission method
2868406281Apparatus, module, and method for implementing communications functions
2878406271Spread spectrum clock generating circuit
2888401054Power detection in a spread spectrum system
2898396094Frequency tracking method and apparatus applied to positioning system
2908369383Method and apparatus for setting received signal processing delays as a function of channel dispersiveness
2918363702GMSK spread modulation receiver
2928363697Synchronized broadcast/multicast communication
2938345727Communication system, apparatus, and methods

2012

2948340154Radio transmission device and radio transmission method
2958320430Handover processing in multiple access point deployment system
2968315290UWB multi-burst transmit driver for averaging receivers
2978311081Frame synchronization method and receiver for communication modem using the same
2988300740Method and system for generating information for use in detecting a signal
2998295331Multi-user interference cancellation in a single-carrier radio receiver
3008295327Method and apparatus for estimating noise variance
3018295325Signature sequences and methods for time-frequency selective channel
3028290023User data broadcast mechanism
3038290021Method for generating a reference signal sequence using grouping
3048279911Systems, computer program products, and methods using carrier phases to detect multipath signals
3058279908Synchronization of separated platforms in an HD radio broadcast single frequency network
3068275018Correlation device and method
3078265202Method for estimating hidden channel parameters of a received GNNS navigation signal
3088265124Received signal determination method, positioning device, and electronic instrument
3098265119Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system
3108259778Method and transceiver apparatus for transmitting paging information in orthogonal frequency-division multiplexing systems
3118249132Communication terminal and receiving method
3128249131Method for transmitting signals for interference randomization
3138218607Data detection for codes with non-uniform spreading factors
3148213485High rate CDMA wireless communication system using variable sized channel codes
3158208514Successive interference canceling for CDMA
3168199791Mixed voice and spread spectrum data signaling with enhanced concealment of data
3178184675Residual frequency offset exploitation
3188179949Correlation method and signal processing method of CDMA receiver using mapping
3198179947Radio communication apparatus and reference signal generating method
3208179945Radio transmitter device
3218175136Noise cancellation method, receiver circuit, and electronic instrument
3228175134Radio communications system and method having decreased capability for detection by an adversary
3238170086Method and apparatus for performing signal correlation
3248165186Channel estimation for wireless communication
3258160124Differential Teager-Kaiser-based code tracking loop discriminator for multipath mitigation in a NSS receiver
3268160118UWB dual burst transmit driver
3278155171Multipath signal judging method, program, and multipath signal judging device
3288155170Method and apparatus for achieving channel variability in spread spectrum communication systems
3298155168Inductive communication system with increased noise immunity using low-complexity transmitter
3308155167Low complexity frequency hopping solution for performance testing system and method
3318144753Detection device of a spreading code and a timing, and a method thereof
3328144749Nonparametric MIMO G-Rake receiver
3338144747Primary and secondary synchronization codes from first, second, third sequences
3348134981Correlator for primary cell search using memory architecture
3358130815Method for generating a reference signal sequence using grouping
3368121174Signal quality measurement system
3378121173Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communicating system
3388116355Method of selecting echoes of a signal for assignment to fingers of a Rake receiver and corresponding Rake receiver
3398111733Method for generating a reference signal sequence using grouping
3408111732Method for generating a reference signal sequence using grouping
3418102900Method and apparatus for efficient gold code generation and management in WCDMA systems
3428102899Receiver and method of receiving a CDMA signal in presence of interferences with unknown spreading factors
3438102898Channel estimating apparatus, CDMA receiving apparatus, and channel estimating method
3448098716Method and apparatus for providing an energy-based signal tracking loop
3458090004Spectrum spread communication method and system using very weak power, and high frequency radio apparatus
3468090003Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system

2011

3478077794Reception device, communication control method in mobile communication system
3488077756Signal transmitting method, transmitting apparatus, and receiving apparatus used for the signal transmitting method
3498064499Spread-spectrum phase and channel tracking
3508045598Controlling power in a spread spectrum system
3518045596Apparatus and method for transmitting/receiving a signal in a communication system
3528023531Spread code allocating method, despreading method, transmitting device, receiving device, communicating device, wireless base station device, and mobile terminal device
3538005129Acquisition circuit for low chip rate option for mobile telecommunication system
3547991042GNSS receiver and method for GNSS memory code generation
3557978662Method and apparatus for transmitting/receiving downlink data for UE in soft handover region in an OFDM system
3567974331Rake receiver with individual finger compensator(s)
3577974330Multi-carrier code dividing multiplex transfer system and method, and receiving device
3587970043Searcher for multiple orthogonal channels with known data--WCDMA step2 search
3597965759Synchronization codes for wireless communication
3607957494Coarse timing synchronization
3617957452Direct sequence spread spectrum transceiver
3627953142Variable code-tracking loop with improved signal dynamics, loop noise, and sensitivity
3637949033Method for generating a reference signal sequence using grouping
3647940835Method of eliminating false echoes of a signal and corresponding rake receiver
3657940834Signal receiver using data bit search in alternating time segments
3667940831Direct sequence spread spectrum system and method thereof
3677936805Transmitter and frequency hopping method of the same
3687933316Searcher for multiple orthogonal channels with known data WCDMA step2 search
3697929592Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
3707929591Method and apparatus for multiple scrambling code impairment compensation
3717924909Method and apparatus for interference cancellation in wireless receivers
3727924904RF band clock spur harmonic canceller
3737920620Method for reducing the calculation complexity for code acquisition and correlation
3747907513Superimposed composite channel filter
3757903770Method and apparatus for canceling pilot interference in a wireless communication system
3767894555IQ imbalance image suppression
3777881361Spectrally shaped generalized multitone direct sequence spread spectrum modulation
3787876806Orthogonal frequency division multiplexing-code division multiple access system
3797873100Reception apparatus using spread spectrum communication scheme
3807869487Quadrature multi-frequency ranging (QMFR) applied to GPS multipath mitigation
3817869486Tracking apparatus and method for a mobile communication system

2010

3827860152Wireless communications system with secondary synchronization code based on values in primary synchronization code
3837848392Rake receiver and de-spreading method thereof
3847843988System and method for pre-processing transmission sequences in a jammed environment
3857839939Method of transmitting information with the help of chaotic signals
3867835421Electric detector circuit
3877835420Orthogonal resource block hopping multiplexing method and apparatus
3887826558Transmission system, transmission method, reception system, and reception method
3897826517Inter-carrier interference cancellation method and receiver using the same in a MIMO-OFDM system
3907822105Cross-correlation removal of carrier wave jamming signals
3917817709Non-coherent phase differential and multiple orthogonal signal reception
3927817707Apparatus and method for generating ranging pseudo noise code
3937809093Mobile terminal
3947801201Receiver for a CDMA system
3957796678Communication system with receivers employing generalized two-stage data estimation
3967787514Carrier interferometry coding with applications to cellular and local area networks
3977782926Random phase multiple access communication interface system and method
3987773664Random phase multiple access system with meshing
3997773660Frequency channel selection in a data transmission method which uses a frequency hopping method
4007769076Method and apparatus for performing frequency synchronization
4017764728Apparatus and method for reducing complexity of matched filter
4027756190Transferring voice and non-voice data
4037751469Correlation shaping matched filter receiver
4047738534Multi-transmitter interference suppression using code-specific combining
4057738533Multiplexed CDMA and GPS searching
4067733945Spread spectrum with doppler optimization
4077733943Method and system for temporal autocorrelation filtering
4087729414Guard interval analysis method and apparatus
4097724802Radar apparatus
4107714777Semiconductor device for spread spectrum radar apparatus
4117706429BOC signal acquisition and tracking method and apparatus
4127702003Multi-path detection method for CDMA receivers
4137702001Time tracking in a non-negligible multipath spacing environment
4147701997Fast hopping frequency synthesizer using an all digital phased locked loop (ADPLL)
4157697597Apparatus for calculating decision parameters in an IMT-2000 system
4167688881Method and apparatus for interference estimation in a generalized RAKE receiver
4177688879Method and apparatus for forming a beam
4187684474Method and apparatus for demodulating signals processed in a transmit diversity mode
4197680177Adaptive unbiased least square (LS) algorithm for mitigating interference for CDMA down link and other applications
4207680174Method and apparatus for forward link power control
4217672357Base station apparatus of mobile communication system
4227668228Apparatus for and method of correlating to rising chip edges
4237660338Hybrid spread spectrum radio system
4247656935Interpolation of channel search results
4257656934Wireless communications system with secondary synchronization code based on values in primary synchronization code
4267656931Hybrid spread spectrum radio system
4277653155Using convolutional decoding to improve time delay and phase estimation in digital communications
4287646803Apparatus and method for estimating and combining frequency errors in a mobile communication system
4297643539Multi-path equalizer configuration technique
4307643538Cancellation of burst noise in a communication system with application to S-CDMA
4317642952Spread spectrum radar apparatus

2009

4327639732Intelligent code tracking for spread spectrum systems
4337639730Methods and apparatus for improving signal timing accuracy
4347639725System and method for multi-phase composite PN code generation
4357636384Method for detecting the orthogonal code CDMA signal
4367630449Method and receiver capable of increasing acquisition efficiency in a code division multiple access communication system
4377630427Systems, methods, and apparatus for establishing finger lock state
4387627020Acquisition circuit for low chip rate option for mobile telecommunication system
4397623566Method and apparatus for demodulating signals processed in a transmit diversity mode
4407623565Method for providing packet framing in a communication system
4417620097Communications module, device, and method for implementing a system acquisition function
4427616717Coarse timing synchronization
4437616678Multi-carrier constant envelope signal scheme for power and bandwidth efficient communications
4447613231Apparatus and method for detecting code of direct sequence spread spectrum signal
4457613226Method and apparatus for transferring signals in a wireless communication system
4467613223Time-frequency coding in a multi-band ultra-wideband system
4477609790Joint signal demodulation in a low and high data rate channel environment
4487609748Method, system and apparatus for maximizing a jammer's time-on-target and power-on-target
4497606295Generalized rake receiver for wireless communication
4507602840Acquisition of a gated pilot
4517602836Receiver
4527599425Multiple channel joint decoding at mobile handset
4537599424Antenna diversity technique for wireless communication
4547599423Successive interference canceling for CDMA
4557599418Method and apparatus for a frequency hopper
4567596172Rake receiver in mobile communication system and control method therefor
4577596171Data detection for codes with non-uniform spreading factors
4587596170Coherent detection without transmission preamble
4597596169Method of geometric harmonic signal modulation
4607593453Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
4617593452Despreading spread spectrum data
4627593451Apparatus and method for communicating packet data control channel in a mobile communication system
4637586978GMSK spread modulation
4647586973Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system
4657583723Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual interference (SPRI) detector
4667583722Scaling using gain factors for use in data detection
4677580451Decoding of Walsh codes
4687577180Method and system for maintaining synchronization in low-power mode over a frequency hopping radio link
4697564891Method of using long cellized codes in a joint detection system
4707558314Method and device for detection of a UMTS signal
4717555028Method and system for defining additional spread spectrum channels within a coverage area of an existing wireless network
4727548580Adaptive pilot interference cancellation in CDMA systems
4737545884Digital baseband modulation apparatus and demodulation apparatus
4747545852System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system
4757545851Communication system with receivers employing generalized two-stage data estimation
4767545850Analog compression of GPS C/A signal to audio bandwidth
4777539239Apparatus for rapid PN code acquisition
4787539238Extended algorithm data estimator
4797539123Subcarrier puncturing in communication systems
4807535951Code division multiplexing communication system
4817532664Method and apparatus to estimate signal to interference plus noise ratio (SINR) in a multiple antenna receiver
4827532662Method of delaying symbols within a "Rake" receiver, and corresponding "Rake" receiver
4837529327Method and apparatus for compensating for the frequency offset in interleaved frequency division multiple access
4847529292Code tracking loop with automatic power normalization
4857529291Methods and structures for rapid code acquisition in spread spectrum communications
4867529289Signal processing under attenuated transmission conditions
4877526016Bluetooth access code assisted initial DC estimation and frame synchronization
4887526014Correlator for spread spectrum receiver
4897522655Method and device for carrying out a plurality of correlation procedures in a mobile telephony environment
4907519106Method and apparatus for maximizing standby time in remote stations configured to receive broadcast databurst messages
4917519105Channel code assignment according to gain factor
4927508861RACH ramp-up acknowledgement
4937505508System and method for fast code phase and carrier frequency acquisition in GPS receiver
4947496130Method and apparatus for predicting a signalling code corresponding to a code spur
4957492815Reduced parallel and pipelined high-order MIMO LMMSE receiver architecture
4967489721Simplified block linear equalizer with block space time transmit diversity
4977486749Determination of a code phase
4987486717Method and device for demodulating Galileo alternate binary offset carrier (Alt-BOC) signals
4997480324Ultra wide band communication systems and methods
5007477678Method of finding delays of a multipath channel
5017477677Method and apparatus for multipath demodulation in a code division multiple access communication system

2008

5027471747Bit down-scaling apparatus and method, GPS synchronization acquisition method, and GPS receiver
5037466744Method of receiving spread spectrum signal, and receiver
5047463699Methods of automatically detecting spectrum inversion and related terrestrial digital video broadcasting receivers
5057460581Method for transmitting signals using antenna diversity, for instance in mobile communication systems, transmitter, receiver and computer program product therefor
5067457352Cancellation of interference in a communication system with application to S-CDMA
5077457351Cancellation of interference in a communication system with application to S-CDMA
5087453924Diversity receiver and diversity reception method
5097453921LPC filter for removing periodic and quasi-periodic interference from spread spectrum signals
5107450631Metric correction for multi user detection, for long codes DS-CDMA
5117443909Weighted autocorrelation method for downlink CDMA LMMSE equalizers
5127443907Base station apparatus of mobile communication system
5137443906Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system
5147440493Multi-path detection method for CDMA receivers
5157440490Method and apparatus for multi-user detection using RSFQ successive interference cancellation in CDMA wireless systems
5167440485Apparatus and method for communicating packet data control channel in a mobile communication system
5177433391Spread-spectrum receiver with fast M-sequence transform
5187433388Receiver noise estimation
5197433386Method of allocating resources in a space division radiocommunication system and equipment for the implementation of the method
5207433385Code division multiple access communication
5217428263Method for using a non-orthogonal pilot signal with data channel interference cancellation
5227428262Channel estimation in a rake receiver of a CDMA communication system
5237424048Guard interval analysis method and apparatus
5247421012Antenna diversity technique for wireless communication
5257418064Systems and methods for hierarchically demodulating and decoding a data signal using a pilot signal and an additional signal
5267415061Cancellation of burst noise in a communication system with application to S-CDMA
5277415060Spread spectrum communication system
5287411997Apparatus and method for filtering a spectrum spread communication
5297408978Extended algorithm data estimator
5307408505Multi-function device with positioning system and shared processor
5317403555Acquisition circuit for low chip rate option for mobile telecommunication system
5327400673Method of determining and displaying powers of code channels and analysis device
5337400668Method and system for implementing a system acquisition function for use with a communication device
5347395155Global positioning system receiver and correlating circuit thereof
5357391804Spread spectrum communication method and system using diversity correlation and multi-user detection
5367391803Interference suppression in a receiver during at least one of idle state and access state operation
5377388897Data transmission method, system and network element
5387372895Method of and system for delay estimation with minimized finger allocation
5397369602Adaptive channel estimation by means of variation of the integration length during the despreading of spread-coded training symbol sequences
5407365680Location services system that reduces auto-correlation or cross-correlation in weak signals
5417362795Method and apparatus for acquisition and tracking of GPS satellites at low signal to noise levels
5427362794Channel equalisation
5437359428VDSL transmission employing multi-code multi carrier CDMA modulation
5447356072Antenna diversity technique for wireless communication
5457356070Apparatus for recognizing mobile signals in mobile communication system, and method therefor
5467356069Spread spectrum demodulation using a subsampling communication receiver architecture
5477352799Channel estimation in spread spectrum system
5487352797Procedure for BPSK modulation with reduced envelope peaking
5497352795System and method for communicating data using constant amplitude waveform with hybrid orthogonal and MSK or GMSK modulation
5507349464Receiver for spread spectrum communication
5517339983Apparatus and method for detecting a power ratio between a traffic channel and a pilot channel in a mobile communication system
5527339978Adaptive weight update method and system for a discrete multitone spread spectrum communications system
5537336699Method and apparatus for code identification in wireless applications
5547333534Apparatus and method for performing fast acquisition of PN sequences by transferring distributed samples
5557333533Communication device
5567333531Vertical adaptive antenna array for a discrete multitone spread spectrum communications system
5577333530Despread signal recovery in digital signal processors
5587327779Method and apparatus for high-speed software reconfigurable code division multiple access communication
5597324580Method and apparatus for achieving channel variability in spread spectrum communication systems
5607321610Method and system of interference cancellation in multi-cell CDMA systems
5617315568Multipath searching device and method thereof
5627315566Mobile communication system, channel synchronization establishing method, and mobile station

2007

5637313174Method for extracting a variable reference pattern
5647313172Scaling using gain factors for use in data detection
5657313169CDMA demodulation circuit, CDMA mobile communication demodulation method used therefor, and storage medium recording program thereof
5667313167Signal-to-noise ratio estimation of CDMA signals
5677313166Multicode receiver
5687313165Data detection for codes with non-uniform spreading factors
5697310366Procedure for estimating amplification factors of a CDMA signal
5707310365Group decision rule in code tracking using a delay lock loop (DLL)
5717310364Multirate, constant envelope, constant bandwidth, modulation, channelization and detection system based on orthogonal bipolar spreading vectors
5727301988Enhanced uplink packet transfer
5737301987Background processing and searching for a communication channel
5747295597Receiver processing systems
5757295594Device for low-interfernce signal transmission
5767292622Method and apparatus for raking in a wireless network
5777292621Method for detecting multipath signals
5787292618Fast hopping frequency synthesizer using an all digital phased locked loop (ADPLL)
5797289551System, method and computer program product for demodulating quadrature amplitude modulated signals
5807283578System and method to adjust searcher threshold parameter of rake receiver
5817280582Apparatus and method for sub-chip offset correlation in spread-spectrum communication systems
5827277476Determining the correlation between received samples and available replica samples
5837277474Finger allocation for a path searcher in a multipath receiver
5847277473Method of parallel interference cancellation and an apparatus thereof
5857277470Multi-user detection in an MC-CDMA telecommunication system
5867274747Pulse shaping which compensates for component distortion
5877274729Spread spectrum communication device and communication system
5887274727Circuit for detecting a shifted frequency, a method for detecting a shifted frequency and portable communication apparatus
5897274726Method and apparatus for managing finger resources in a communication system
5907272168Determining the correlation between received samples and available replica samples
5917272166Correction method for time-varying channel in a time-slot division mobile communication system
5927272163Method for two-level variable chip rate spreading and despreading used in CDMA system
5937272162Transmitter and receiver for spread-spectrum communication system, and modulation and demodulation methods thereof
5947269236Frequency offset estimator
5957269205Method and apparatus for signal demodulation
5967266142System and method for fast code phase and carrier frequency acquisition in GPS receiver
5977254161Method for frequency offset estimation in a direct sequence spread spectrum communications receiver
5987254160Radio receiver
5997254157Method and apparatus for generating a phase locked spread spectrum clock signal
6007251269Apparatus and method for fine synchronization when sampling spread-coded received signals
6017242731Method for synchronizing a receiver, a system, and an electronic device
6027242708Equalized parallel interference cancellation EPIC for CDMA systems
6037242707Multiband ultra wideband communications
6047236516RAKE receiver device
6057236512Code channel allocations in a wireless communications system
6067233615Timing correcting device and timing correcting method
6077230973Multi-user detection method with accelerated sphere decoding
6087230971Random number generator
6097227887Apparatus and method for moving PN hypothesis in high speed searcher
6107224715Method and system for maximum likelihood clock and carrier recovery in a direct sequence spread spectrum communication system
6117221701System and method for CDMA communications
6127221700CDMA receiver, CDMA receiving method and program thereof
6137221697Received radio wave transmission equipment and mobile body identification system
6147221696Communication system and method for acquiring pseudonoise codes or carrier signals under conditions of relatively large chip rate uncertainty
6157218691Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset
6167218668Wireless communications systems and methods for virtual user based multiple user detection utilizing vector processor generated mapped cross-correlation matrices
6177218666Method and system for transmission and frequency domain equalization for wideband CDMA system
6187215700Cancellation of interference in a communication system with application to S-CDMA
6197209511Interference cancellation in a CDMA receiving system
6207206336Method of increasing noise immunity during reception of signals from satellite navigational systems
6217200165Cell search method to subtract autocorrelation patterns from a correlation value profile
6227200162Interpolation of channel search results
6237190749Method and apparatus for canceling pilot interference in a wireless communication system
6247190710Successive interference canceling for CMDA
6257184464Apparatus for computing signal correlation at multiple resolutions
6267184463Method and apparatus for demodulating signals processed in a transmit diversity mode
6277184461High speed precision pseudo random noise shift control for fast multiple channel global positioning system signal re-tracking
6287180932Data rate estimation in a communication system
6297173957Efficient epoch processing in multichannel global positioning system signal receiver
6307170925CDMA receiver
6317167508Apparatus and method for estimating angle-of-arrival
6327167503Distributed spread-spectrum network
6337167502Zero-overhead symbol rate adaptation system for OVSF code
6347161976Interference canceller
6357161972Method and apparatus for downlink joint detection in a communication system
6367158560RF receiver having improved signal-to-noise ratio and method of operation
6377158559Serial cancellation receiver design for a coded signal processing engine
6387158558Wideband multiple access telecommunication method and apparatus
6397158557Channel estimation apparatus and method

2006

6407154967Methods and apparatus for efficient and accurate coarse timing synchronization in burst demodulators
6417154937Quadrature multi-frequency ranging (QMFR) applied to GPS multipath mitigation
6427154935Method for receiving radio signals in a mobile station and a mobile station
6437154934Robust, low complexity communications system with interference mitigation
6447151793Method for synchronizing a receiver, a positioning system, a receiver and an electronic device
6457151792Spread spectrum rake receiver
6467149240Method of and apparatus for controlling system timing with use of a master timer
6477145942Radio receiving system
6487145938Apparatus producing continuous stream of correlation values
6497145937GMSK spread modulation
6507145936Bandpass delta sigma truncator and method of truncating a multi-bit digital signal
6517142589Global positioning system code phase detector with multipath compensation and method for reducing multipath components associated with a received signal
6527142588Multi-peak detector of mobile telecommunication system and method thereof
6537142587Received path timing detecting circuit at DS-CDMA system
6547142586Robust delay estimation architecture
6557142584Synchronizing a bash station and a mobile station
6567142582Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas
6577139307Radio receiver
6587139304Method and apparatus for controlling gain level of a communication channel in a CDMA communication system
6597139302Code division multiple access enhanced capacity system
6607136410Adaptive interference suppression receiving apparatus for space-time block coded direct sequence/code division multiple access communication system
6617133475Radio receiver
6627133460Apparatus and method for determining a data rate of packet data in a mobile communication system
6637133436Path detection apparatus in CDMA reception device
6647130333Method and device for frame sync detection using channel combining and correlation
6657130331Method and apparatus for searching time-division multiplexed synchronization sequences
6667130329Apparatus and method for radio frequency tracking and acquisition
6677130328Time history display of orthogonal code power levels
6687130327Digital frequency synthesis
6697127012Apparatus and method for separating carrier of multicarrier wireless communication receiver system
6707126982Apparatus for rapid PN code acquistion
6717126980PAR and out-of-band radiation reduction in code multiplex modulation systems
6727120191Method and apparatus for acquiring a ranging signal of a positioning system
6737116704Strong signal cancellation to enhance processing of weak spread spectrum signal
6747116703Multipath signal strength indicator
6757116701Base station using an antenna array for location determination
6767113538Time diversity searcher and scheduling method
6777113537Combined searching and page monitoring using offline sample storage
6787110441Spreading code generation circuit and demodulation circuit
6797110439System for decreasing processing time in an iterative multi-user detector system
6807110438Method and apparatus for cell search for W-CDMA with non-ideal sampling
6817110436CDMA receiving apparatus with transmission power control using previous SIR value
6827110435Spread spectrum applications of universal frequency translation
6837110434Cancellation of interference in a communication system with application to S-CDMA
6847106787Acquisition matched filter for W-CDMA systems providing frequency offset robustness
6857106786Method for reducing auto-correlation or cross-correlation in weak signals
6867106785Adaptive antenna reception apparatus with weight updated adaptively
6877106784Universal rake receiver
6887106782Method and apparatus for rotating a phase of a modulated signal
6897103095Spread spectrum code correlator
6907103094Adaptive pilot interference cancellation in CDMA systems
6917103093Method and device for estimating a propagation channel
6927103091Common data path rake receiver for a CDMA demodulator circuit
6937103090Timing estimation of direct sequence spread spectrum communications systems over frequency-selective, slowly fading channels
6947103086Frequency hopping data radio
6957099381De-spreading method and de-spreading apparatus
6967099378Sub-symbol parallel interference cancellation
6977099376Method for parallel type interference cancellation in code division multiple access receiver
6987099375Chip rate invariant detector
6997099372Spreading code hopping for synchronous DS-CDMA system to mitigate interference effects
7007099370Wireless communication system and method of controlling same
7017099366Pseudo-random number sequence output unit, transmitter, receiver, communication system and filter unit
7027095814Apparatus and method for very high performance space-time array reception processing using chip-level beamforming and fading rate adaptation
7037095780Base station apparatus of mobile communication system
7047095778Spread spectrum transmitter and spread spectrum receiver
7057092432Node-B/base station rake finger pooling
7067092430Method for using a non-orthogonal pilot signal with data channel interference cancellation
7077092429Multi-pass frequency hop-acquisition correlator
7087088766Dynamic measurement of communication channel characteristics using direct sequence spread spectrum (DSSS) systems, methods and program products
7097088699Cellular receiver and reception method
7107085311Apparatus and method for measuring SIR in CDMA communication system
7117085310Method and apparatus for managing finger resources in a communication system
7127085309Radiofrequency signal receiver with means for correcting the effects of multipath signals, and method for activating the receiver
7137082155Reception level measuring system
7147082154Power control circuit and power control method
7157079570Communication system with receivers employing generalized two-stage data estimation
7167076007Data transmission method using repeated sets of spreading sequences, corresponding transmitter and receiver
7177075969User equipment using combined closed loop/open loop power control
7187075967Wireless communication system using block filtering and fast equalization-demodulation and method of operation
7197068715Ultra-wideband communications system and method using a delay hopped, continuous noise transmitted reference
7207068708Method and receiving unit for demodulating a multi-path signal
7217068705Multiple-input multiple-output (MIMO) spread-spectrum system and method
7227068702Method and apparatus for selective collision avoidance frequency hopping
7237065383Method and apparatus for synchronizing a smart antenna apparatus with a base station transceiver
7247065127System and method for generating and acquiring pseudo-noise (PN) spread signals
7257065126Components and methods for processing in wireless communication data in presence of format uncertainty
7267065125Method and apparatus for multiple access over a communication channel
7277061975Noncyclic digital filter and radio reception apparatus comprising the filter
7287061971Method and apparatus for diversity searching and demodulator assignment in a wireless communication system
7297061967Multipath channel tap delay estimation in a CDMA spread spectrum receiver
7307058119Parallel architecture digital filter and spread spectrum signal receiver using such a filter
7317058117Rake receiver with multi-path interference accommodation
7327054397Mobile communication system having mobile stations and a base station
7337054355Spread spectrum signal processing apparatus and spread communication system
7347054349Method and device for decoding an incident pulse signal of the ultra wideband type, in particular for a wireless communication system
7357054347Communication apparatus
7367050839Mobile communication terminal including automatic frequency control function
7377050484Method of detecting path timings and CDMA receiving apparatus using the same
7387050480Code assignment algorithm for synchronous DS-CDMA links with SDMA using estimated spatial signature vectors
7397046720System and method for DC offset compensation in a WCDMA receiver
7407046717Pre-data power control common packet channel
7417042931Path detection method and receiver
7427042929Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
7437042927Pseudo-noise carrier suppression/image rejection up and down converters
7447042926Low complexity multiuser detector
7457039138Method and apparatus for bandwidth estimation
7467039099Demodulation apparatus and demodulation method for mobile communication
7477039097CDMA receiver, path search method and program
7487039092Code branch allocation for CDMA systems
7497035319Method and apparatus for determining whether a received signal includes a desired signal
7507035317Single-user decoder metrics for subtractive interference cancellation detectors in code-division multiple-access (CDMA) communication systems with time dependence variance residual multiple-access interference (RMAI)
7517035312Pilot signal cycling technique for a control system that reduces distortion produced by electrical circuits
7527031376Fast initial acquisition and search device for a spread spectrum communication system
7537031375Apparatus for generating ternary spreading codes with zero correlation duration and method therefor
7547031374System and method for selecting sample streams in direct sequence spread spectrum communications
7557031371CDMA/TDMA communication method and apparatus for wireless communication using cyclic spreading codes
7567031370Spread-spectrum communication device
7577027495Acquisition circuit for low chip rate option for mobile telecommunication system
7587027493System and method for medium wide band communications by impluse radio
7597027492Wireless communication system with processor requested RAKE finger tasks
7607027491Interference cancellation receiver for use in a CDMA system
7617027490Method and apparatus for reducing spread spectrum noise
7627027486System and method for fast code phase and carrier frequency acquisition in GPS receiver
7637027485Signal discriminator for a spread spectrum system
7647027484Method and apparatus for transmitting and receiving high speed data using code division multiple access channels
7657023903Method of receiving spread spectrum signal, and receiver
7667023901Spreading factor estimation system and method
7677023899Method for reliable signaling information transmission in a wireless communication system
7687023897Transmission circuit
7697020183Code division multiple access signal receiving apparatus
7707020176Method and system for downlink channelization code allocation in a UMTS
7717016400Digital matched filter despreading received signal and mobile wireless terminal using digital matched filter
7727016398Multicode receiver
7737016396Unitary bluetooth-enabled terminal having multiple radio interfaces
7747013135Cell searcher and cell searching method
7757012952Method and apparatus for adjusting delay in systems with time-burst pilot and fractionally spaced equalizers
7767012950Apparatus for generating pseudo-noises code and method for generating pseudo-noise codes using the same
7777012948Method for assigning codes in uplink of synchronous wireless telecommunication system
7787010024Matched filter and spread spectrum receiver
7797010023Path search circuit for simultaneously performing antenna directivity control and path search
7807010020Code tracking loop with automatic power normalization
7817010017Receiver noise estimation
7827006558Method and apparatus for correcting frequency offset and storage medium storing control program thereof
7837003019Data detection for codes with non-uniform spreading factors
7847003017Method for peak power reduction in spread spectrum communications systems
7857002945FDM-CDMA transmitting method, FDM-CDMA receiving method, FDM-CDMA transmitting device and FDM-CDMA receiving device
7866999502Method for receiving CDMA signals with synchronization resulting from delayed double multiplication and corresponding receiver
7876999501Method and device for attenuating an interferer from a communication signal
7886999500System for direct sequence spreading
7896996158Signal detection using a CDMA receiver
7906996156CDMA receiver capable of estimation of frequency offset in high precision
7916993065Multi-channel spread spectrum system
7926993064Multi-user receiving method and receiver
7936990141Correlator
7946990140Signal receiver using coherent integration in interleaved time periods for signal acquisition at low signal strength
7956990139System for, method of, transmitting data from a transmitter to a receiver and recovering the data at the receiver
7966990138Correlated spreading sequences for high rate non-coherent communication systems
7976987797Non-parametric matched filter receiver for wireless communication systems
7986987796Method for receiving spectrum spread signals with frequency offset correction
7996987795System and method for selecting spreading codes based on multipath delay profile estimation for wireless transceivers in a communication network
8006987794Receiver and received channel estimation method for the same
8016987793Predictive collision avoidance in macrodiverse wireless networks with frequency hopping using switching
8026985518Adaptive generalized matched filter rake receiver system and method
8036985517Matched filter and correlation detection method
8046985514Automatic gain control circuit and method for direct sequence spread spectrum receiver
8056985512Asynchronous spread-spectrum communications

2005

8066968219Method for reducing power consumption in bluetooth and CDMA modes of operation
8076968204Narrow band and spread spectrum communication system for a vehicle
8086968197Apparatus and method for acquisition of communication quality
8096967991Device for canceling interference
8106967990Interference cancellation apparatus applied in CDMA communication system and method for the same
8116967989Method and apparatus for time-sharing a rake receiver structure
8126967939Radio communication system using wideband code division multiple access (WCDMA)
8136965760Satellite-based location system employing dynamic integration techniques
8146965633Pilot synchronization channel structure for CDMA mobile communication system
8156965632Method and apparatus for using adaptive threshold with initial acquisition
8166965631Low power passive correlators for multichannel global positioning system signal receiver
8176965611Subscriber unit for supporting communication rate modifications
8186965589Time offset technique for increasing the capacity of a CDMA system
8196965586Initial synchronization method in DS-CDMA inter-base station asynchronous cellular scheme
8206963741Method and a device in a cellular radio system
8216963732Subsampling communication receiver architecture with relaxed IFA readout timing
8226963602Digital correction method and system
8236963601Apparatus and method for spreading channel data in CDMA communication system using orthogonal transmit diversity
8246963548Coherent synchronization of code division multiple access signals
8256963546Multi-user detection using an adaptive combination of joint detection and successive interface cancellation
8266963532Communication system and method with orthogonal block encoding
8276961660Method and system for data detection in a global positioning system satellite receiver
8286961565Cell search method and apparatus for mobile station in mobile communication system
8296961398Base station synchronization for wireless communication systems
8306961395Time variant filter implementation
8316961365Method for signal processing in user equipment of CDMA mobile communication system
8326961362Communication method and its power control method
8336961352Method of synchronizing a radio terminal of a radio communication network and a corresponding radio terminal
8346961305Polarity-alternated pulse width CDMA and method for measuring distance using the same
8356959170Communications receivers and methods therefor
8366959070Radio base station apparatus and radio communication method
8376959065Reduction of linear interference canceling scheme
8386959053Method and apparatus for searching for a pre-defined code in a bit stream
8396959035Post-correlation interpolation for delay locked loops
8406959034CDMA system transmission matrix coefficient calculation
8416959033System and method for assigning combiner channels in spread spectrum communications
8426959030Method and apparatus for generating an interleaved code
8436956948Apparatus and method for generating multiple scrambling codes in asynchronous mobile communication system
8446956913Non-coherent DP-MOK reception process with combination of multiple paths and corresponding receiver
8456956910Fast transmitter based on table lookup
8466956893Linear minimum mean square error equalization with interference cancellation for mobile communication forward links utilizing orthogonal codes covered by long pseudorandom spreading codes
8476956892Receiver
8486956891Method and apparatus for non-linear code-division multiple access technology
8496956890Process and device for the generation of codes, for example channeling codes for CDMA applications
8506956841Receiver and method of receiving a desired signal
8516956838Use of wide element spacing to improve the flexibility of a circular base station antenna array in a space division/multiple access synchronous CDMA communication system
8526954618Method and device for determining the fading coefficients of paths of a multi-path transmission channel linking, in particular, a base station and a cellular mobile telephone
8536954508Automatic frequency control system adapted to compensate for an insufficient capture range
8546954487Time division multiplexed rake finger for W-CDMA
8556954486Early-late detection
8566954485CDMA baseband receiver capable of establishing synchronization with peripheral base stations
8576954483Method and device for synchronizing mobile radio receivers in a mobile radio system
8586954440Method and apparatus for code division switching
8596952589Method, system and apparatus for improving reception in multiple access communication systems
8606952440Signal detector employing a Doppler phase correction system
8616952439System for, and method of, transmitting data from a transmitter to a receiver and recovering the data at the receiver
8626950841Logarithmic lookup tables
8636950458Method and apparatus for acquiring slot timing and frequency offset correction and storage medium storing control program therefor
8646950456High-speed cell searching apparatus and method using DPSK-based distributed sample acquisition
8656950411Cancellation of pilot and traffic signals
8666947502Parameter estimator for a multiuser detection receiver
8676947474Rake receiver for spread spectrum signal demodulation
8686947473Receiver and method of recovering data from radio signals
8696947472Noise gain control
8706947471Method for using encoded spreading codes to achieve high bit densities in a direct-sequence spread spectrum communication system
8716947470Rake receiver for a CDMA system, in particular incorporated in a cellular mobile phone
8726947468Apparatus and method for calculating and implementing a Fibonacci mask for a code generator
8736947403Advanced whitener-rake receiver for WCDMA terminal
8746947402User equipment for code group synchronization
8756944211Method and system for deriving dynamic data clocks from PN codes
8766944210Method for receiving or sending messages
8776944209Processing for improved performance and reduced pilot
8786944208Interference signal canceling apparatus and interference signal canceling method
8796944207CDMA receiver having a searcher intermittently operable
8806944205Method of determining an acquisition indicator bit in a communication system
8816940895Receiver for wireless telecommunication stations and method
8826940894Power estimation using weighted sum of pilot and non-pilot symbols
8836940892Spread spectrum transmission apparatus, spread spectrum reception apparatus, and spread spectrum communication system
8846940875Continuously adjusted-bandwidth discrete-time phase-locked loop
8856940840Apparatus for adaptive reverse power control for spread-spectrum communications
8866940837Spread spectrum demodulator
8876940827Communication system using OFDM for one direction and DSSS for another direction
8886937874Power control in spread spectrum communications systems
8896937676Interference-signal removing apparatus
8906937675Apparatus for improving intermodulation distortion characteristics in a CDMA mobile terminal
8916937673Method of compensating frequency error in communication system and apparatus for the same
8926937644Generalized two-stage data estimation
8936937643ROM-based PN generation for wireless communication
8946937642CDMA communication system and channel estimating method used in the same
8956937640Apparatus and method for reporting service load to mobile station in mobile telecommunication system
8966937617Apparatus and method for trellis encoding data for transmission in digital data transmission systems
8976934553Receiving unit, receiving method and semiconductor device
8986934541Communication device
8996934323Adaptive array antenna-based CDMA receiver that can find the weight vectors with a reduced amount of calculations
9006934322Data message bit synchronization and local time correction methods and architectures
9016934321W-CDMA transmission rate estimation method and device
9026934320Orthogonalized spatial multiplexing for wireless communication
9036934319Configurable multimode despreader for spread spectrum applications
9046934271Support of multiuser detection in the downlink
9056931056Method and apparatus for code phase tracking
9066931055Signal detector employing a doppler phase correction system
9076931053Peak power and envelope magnitude regulators and CDMA transmitters featuring such regulators
9086931052Symbol-directed weighting in parallel interference cancellation
9096931050Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff
9106930996Synchronization signal for synchronizing base stations
9116930991Base station which selectively utilizes B and D channels to support a plurality of communications
9126930981Method for data rate selection in a wireless communication system
9136928275Method and apparatus for compensating local oscillator frequency error
9146928105Vector tree correlator for variable spreading rates
9156928104Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
9166928103Rach receiving apparatus
9176928102User equipment using combined closed loop/open loop power control
9186925311Methods for synchronizing between a base station and a mobile station in a cell-based mobile communications system
9196925133Apparatus and method for M-ary demodulation in a digital communication system
9206925131Determining channel characteristics in a wireless communication system that uses multi-element antenna
9216925127Method and apparatus for subtracting multiple rays of multiple interfering received signals
9226925110Signal processing method and device for a spread spectrum radio communication receiver
9236925107Decoding method and decoding device for a CDMA transmission system for demodulating a received signal available in serial code concatenation
9246925071Spread spectrum base station
9256922569Method of transmitting calls in a cellular type telecommunications system using adjacent carrier frequency bands
9266922435Method and apparatus for generating PN sequences at arbitrary phases
9276922434Apparatus and methods for finger delay selection in RAKE receivers
9286922433CDMA demodulation circuit and CDMA demodulation method
9296922432System for spread spectrum communication
9306922406Method of synchronizing base stations
9316920173Spread-spectrum signal receiver apparatus and interference cancellation apparatus
9326920172Dual purpose spread spectrum radio receivers with controlled frequency rejection
9336917904Method of and apparatus for path-searcher window positioning
9346917814Method and mobile station for reporting multi-path signals based on a report window
9356917645Apparatus and method for detecting pilot channel signals with low signal-to-noise
9366917644Spread spectrum receiver with multi-path correction
9376917642Method for using a non-orthogonal pilot signal with data channel interference cancellation
9386917641Method and apparatus for detecting software tampering in a subscriber device
9396917609Method and apparatus for CDMA pn scanning at indoor and other obstructed locations
9406917601Spread spectrum remote unit
9416917581Use of orthogonal or near orthogonal codes in reverse link
9426914932Communication terminal apparatus and radio reception method
9436914931Spread spectrum receiver kalman filter residual estimator method
9446912259Interpolation synchronous detection method and radio communication system
9456912245Apparatus for calculating decision parameters in an IMT-2000 system
9466912244Pilot frequency acquisition based on a window of data samples
9476912243Spread spectrum receiver and spread spectrum receiving method
9486912242Low power RF receiver with redistribution of synchronisation tasks
9496912241Chip-interleaved, block-spread multi-user communication
9506912211CDMA to packet-switching interface for code division switching in a terrestrial wireless system
9516909760Sychronization data detection unit and method
9526909739Signal acquisition system for spread spectrum receiver
9536909738Method in a receiver and a receiver
9546909736System for method for fine acquisition of a spread spectrum signal
9556907346GPS receiver apparatus and receiving method
9566907094Diversity receiving device
9576907087Method of multi selection coherent detection and device thereof
9586907049Radio communication apparatus used in CDMA communication system, which has fingers and is designed to perform rake reception, and power consumption control method therefor
9596907024Efficient multichannel filtering for CDMA modems
9606904294Subscriber unit for controlling initial power ramp-up using short codes
9616904109Interference cancellation method, and receiver
9626904106Method and apparatus for spread spectrum interference cancellation
9636904081Spread spectrum receiver apparatus and method
9646904080Receiving circuit, mobile terminal with receiving circuit, and method of receiving data
9656904079Access channel structure for wireless communication system
9666904078CDMA receiver and CDMA transmitter/receiver
9676904076Interference canceller device and radio communication device
9686904036Single user detection base station
9696904030Pilot channel power measurement means for a mobile station in asynchronous CDMA communication system
9706903685Passive tracking system and method
9716901105Tracking of a multi-path resolved signal in a rake receiver
9726901104Wirless network
9736901103Determining combiner weights and log likelihood ratios for symbols transmitted on diversity channels
9746901063Data delivery in conjunction with a hybrid automatic retransmission mechanism in CDMA communication systems
9756898233Programmable modem apparatus for transmitting and receiving digital data, design method and use method for the modem
9766898197Geolocation of a mobile terminal in a CDMA communication system
9776898176Communications terminal and operating method
9786895058Dual paging channel receiver for a wireless communications system
9796895038Communication system
9806895037Variable throughput reduction spread-spectrum communications
9816895036Apparatus and method for sub-chip offset correlation in spread-spectrum communication systems
9826895035Transmission method of words representing transmission parameters respectively allocated to mobile stations communicating with base station in mobile communication system
9836895033Method and apparatus for call recovery after a power cut for a CDMA cellular phone
9846894995Apparatus and method for performing initial cell search in wireless communication systems
9856894994High data rate wireless packet data communications system
9866892072Method of optimizing the search for cells in a mobile telecommunication network
9876891886Apparatus for finely synchronizing code signals
9886891885Correlation circuit for spread spectrum communication
9896891884Apparatus for detecting correlation, spectrum despread apparatus and receiver having the same, and method for detecting correlation
9906891883Delay searcher and delay trackers interaction for new delays assignment to rake fingers
9916891882Receiver algorithm for the length 4 CFC
9926891880Method and apparatus for performing signal correlation
9936891817Transmission apparatus and base station apparatus using the same
9946891816Spread spectrum communication system using DECT protocol
9956891815Pilot signals for synchronization and/or channel estimation
9966891362Method and apparatus for estimating the phase of a signal
9976888880Apparatus for searching for a cell and method of acquiring code unique to each cell in an asynchronous wideband DS/CDMA receiver
9986888877CDMA receiver
9996888814Code allocation based on cross code correlation
10006888813Code division multiple access (CDMA) transmission system
10016888812CDMA receiver
10026888810Wireless communication device and method of predicting a frame rate in a CDMA communication system
10036888501Radio reception apparatus and directivity reception method
10046885694Correction of received signal and interference estimates
10056885692Efficient spreader for spread spectrum communication systems
10066885691Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system
10076885654Low complexity data detection using fast fourier transform of channel correlation matrix
10086885652Code division multiple access (CDMA) communication system
10096885649Method of multiuser detection with user equipment
10106885648Spread spectrum communication device and spread spectrum communication method
10116882849Wireless user equipment for use in reducing cross cell interference
10126882682Fixed pattern detection apparatus
10136882681Spread spectrum receiving apparatus
10146882636Apparatus and method for encoding/decoding transport format combination indicator in CDMA mobile communication system
10156882194Class AB differential mixer
10166879841Method employed by a subscriber unit for controlling initial power ramp-up using short codes
10176879578Single user detection user equipment
10186879576Method and apparatus for processing a physical channel with partial transport format information
10196879575Code division multiple access mobile communication system
10206879571Code division multiple access mobile communication system
10216876695Method and apparatus for reducing spread spectrum noise
10226876694Method and apparatus for decoding spread spectrum signal for CDMA
10236876692System for code division multi-access communication
10246876665Method employed by a remote terminal for spread spectrum CDMA subtractive interference cancellation
10256876645Delay and channel estimation for multi-carrier CDMA system
10266873910Procedure for searching for position determination signals using a plurality of search modes
10276873829Apparatus and method for generating periodic beacon signals for use in CDMA base station
10286873826Method and mobile station for reporting multi-path signals based on minimum separation
10296873667Spread spectrum time tracking
10306873662Wireless communication system having adaptive threshold for timing deviation measurement and method
10316873648Method and apparatus for fast detection of locations of path rays in a receiver having multiple time references
10326873646Perturbation apparatus and method for user detection in a multiple-access communication system
10336873645Automatic power control system for a code division multiple access (CDMA) communications system
10346873643Spread spectrum adaptive power control communications system and method
10356873288Enhanced GNSS receiver
10366870889Communication breaking device and method thereof
10376868113Receiver for spectrum spreading communication system
10386868110Multipath and tracking error reduction method for spread-spectrum receivers
10396868078Base station spread spectrum CDMA subtractive interference canceller
10406868076Multichannel CDMA subtractive interference canceler
10416868075Method and apparatus for compressed mode communications over a radio interface
10426867735Adaptive antenna array system and weighting coefficient computation control method
10436865219Apparatus and method of circular group-wise parallel interference cancellation for multi-rate DS-CDMA system
10446865218Multipath interference reduction for a CDMA system
10456865217Method for simultaneously receiving and processing multiple channels of data
10466865216Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation cordless telephone
10476865215Spread spectrum digital data communication overlay system and method
10486865177Apparatus and method for generating frame sync word and verifying the frame sync word in W-CDMA communication system
10496865174Code division multiple access communication system
10506865172Receiving method and receiver
10516862314Receiver architecture for a multi scrambling code transmission CDMA technique
10526862313Direct conversion spread spectrum time division duplex radio
10536859489Method and device for determining the carrier frequency of base stations in the mobile receiver of a cellular mobile radio system working with W-CDMA
10546859488Detection of impulse noise using unused codes in CDMA systems
10556859445Channel assignment apparatus and method for a common packet channel in a WCDMA mobile communication system
10566856945Method and apparatus for implementing projections in singal processing applications
10576856646T-spaced equalization for 1xEV systems
10586856644Method and apparatus for forward link power control bit generation in a spread-spectrum communication system
10596856643Communication system and method for performing fast symbol estimation for multiple access disperse channels
10606856611Radio interface synchronization
10616856610Wireless code division multiple access communications system with channel estimation using fingers with sub-chip spacing
10626856609Mobile station for CDMA communication system and method for communication of the mobile station
10636853678Synchronizing circuit
10646853677Finger using time division method and rake receiver having the same
10656853631Code-division multiplex communication transmitting apparatus and receiving apparatus and method thereof
10666850558Spread spectrum receiver
10676850557Signal detector and method employing a coherent accumulation system to correlate non-uniform and disjoint sample segments
10686850556Pre-phase error correction transmitter
10696850555Signalling system
10706850505Method and apparatus for Doppler frequency estimation
10716850238Display of code power levels and relationships of multiple spreading factor orthogonal codes in a CDMA signal
10726847676All-lag spread-spectrum correlators with rotating references
10736847675Ultrawide-band communication system and method
10746847624CDMA mobile communications system and its random access control method and base station
10756845124Integrated circuit for code acquisition
10766842498Global positioning system interference detection
10776842480Programmable matched filter bank
10786842479Method and apparatus for interference cancellation in a rake receiver
10796842478Radio communication device and method capable of reducing power consumption by controlling an A/D converter
10806842476Co-channel interference canceller
10816842475Apparatus for acquisition of asynchronous wideband DS/CDMA signal
10826842442DS-CDMA transmission method
10836839876Preamble using Golay sequence for access channel in cellular communications systems
10846839567Method employed by a base station for controlling initial power ramp-up using short codes
10856839390Voting system for improving the performance of single-user decoders within an iterative multi-user detection system
10866839389Digital quadrature demodulation and decimation without multipliers
10876839381Method and apparatus for coherent detection in a telecommunications system
10886839380Robust detection for embedded signaling
10896839379Adaptive DS-CDMA multi-user receiver with diversity combining for interference cancellation
10906839378Method and apparatus for multipath delay estimation in direct sequence spread spectrum communication systems

2004

10916836666Method to control uplink transmissions in a wireless communication system
10926836647Device and method for CDMA-signal power estimation
10936836505Spreading code generation apparatus and CDMA receiver
10946836504Method and apparatus for spreading symbols in a communication system
10956834075Method for improving multipath searcher speed
10966834074Method of time tracking in a vector correlator based rake receiver
10976833770CDMA modulation method and device therefor
10986832080Apparatus for and method of adapting a radio receiver using control functions
10996832073Apparatus and method for cancelling interference signals transmitted from neighbor base stations
11006831956Wireless communications system with combining of multiple paths selected from sub-windows in response to the primary synchronization channel
11016831944Reduced computation in joint detection
11026831942MPSK spread spectrum communications receiver with carrier recovery and tracking using weighted correlation techniques
11036831941CDMA system which uses pre-rotation before transmission
11046831940System and method for narrowing the range of frequency uncertainty of a doppler shifted signal
11056831929Multistage PN code aquisition circuit and method
11066831910Power control device and method for controlling a reverse link common channel in a CDMA communication system
11076831905Spread spectrum system assigning information signals to message-code signals
11086831574Multi-turbo multi-user detector
11096829485Quick paging channel demodulation to facilitate offline processing
11106829291Receiving apparatus and synchronization capturing method
11116829290Wireless communications system with combining of multiple paths selected from correlation to the primary synchronization channel
11126829289Application of a pseudo-randomly shuffled hadamard function in a wireless CDMA system
11136829255CDMA base station transmission device and method
11146827483Spectrum spreading communication system using single spreading code
11156826410Method and apparatus relating to radio communication
11166826244Initial cell search algorithm for 3G FDD wireless communication systems
11176826235Robust communications system utilizing repetition code and cumulative decoder associated therewith
11186826169Code multiplexing transmitting apparatus
11196826140Multichannel digital recording system with multi-user detection
11206825802Avoiding interference to a GPS receiver from wireless transmissions by time multiplexing GPS reception
11216823412System and method for arbitration of a plurality of processing modules
11226822999High-speed cell searching apparatus and method for communication system
11236822998Apparatus and method for measuring noise power in a CDMA mobile communication system
11246819931Method and apparatus for assigning tracking elements to received signals
11256819707Method and apparatus for performing signal correlation using historical correlation data
11266819706Control device for controlling power level between frequency assignment in radio frequency receiving device of mobile radio communication base station system in CDMA system
11276819660Method and apparatus for determining optimum data rate on the reverse supplemental channel in wireless communications
11286816876Apparatus and method for modifying an M-sequence with arbitrary phase shift
11296816717Estimation of signal to interference ratio in a mobile communication system
11306816543Spread spectrum communication apparatus and synchronization acquisition method therein
11316816542Direct sequence CDMA receiver having a delay profile producer with an interpolation function
11326816541Spread spectrum interference cancellation
11336816539Multiple-channel digital receiver for global positioning system
11346816473Method for adaptive forward power control for spread-spectrum communications
11356816470Method and apparatus for interference signal code power and noise variance estimation
11366813478Method and apparatus for searching a gated pilot
11376813309CDMA receiving method and circuit
11386813308CDMA receiver with parallel interference suppression and optimized synchronization
11396813307Module channel for acquiring and tracking in a radio communication system
11406813262Synchronization tracking device and method in code division multiple access receiver
11416813261Method of mobile communication and apparatus therefor
11426813257Apparatus and methods for controlling short code timing offsets in a CDMA system
11436813239Dual transmission spread processing circuit system for CDMA communication apparatus
11446810264Power controlling apparatus and method in mobile communication system
11456810075CDMA receiver and CDMA receiving method
11466810074Apparatus and method for detecting a received on-off keying signal in a CDMA mobile communication system
11476810073Method and system for interference cancellation using multiple filter sets and normalized filter adaptation
11486810072System for acquiring spread spectrum signals
11496810071Code division multiple access (CDMA) code timing tracking apparatus
11506810029Method for using a subscriber unit to selectively utilize B and D channels to support a plurality of communications
11516810028Open loop timing control for synchronous CDA systems
11526807425Communication terminal apparatus
11536807372Integrated spectral encoder/decoder for optical CDMA communication system
11546807242Apparatus and a method for calculation of a correlation value corresponding to a frequency error, and a recording medium with a recorded correlation value calculation program
11556807224CDMA receiving apparatus and CDMA receiving method
11566807223Method of performing code synchronization, and receiver
11576807222Receiving spread spectrum signals with narrowband interference
11586807157Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal
11596806827Using FFT engines to process decorrelated GPS signals to establish frequencies of received signals
11606806217Glass for molded lens
11616804494System and method for the detection and compensation of radio signal time of arrival errors
11626804315Method for establishing a communication link
11636804310Decision feedback loop apparatus and method for channel estimation and de-rotation using burst pilot bits
11646804290Method of acquiring signal code phases and geographic positioning receiver
11656804264Pilot signals for synchronization and/or channel estimation
11666804223Reverse link pilot integrated with block codes
11676804219Data transmitting method in a CDMA system
11686804217CDMA mobile station apparatus
11696804215CDMA receiver
11706801568Despreading apparatus and method for CDMA signal
11716801567Frequency bin method of initial carrier frequency acquisition
11726801566Forward power control apparatus and method for use in a multi-carrier communication system
11736801565Multi-stage rake combining methods and apparatus
11746801564Reverse link correlation filter in wireless communication systems
11756801516Spread-spectrum system for assigning information signals having different data rates
11766799055Method of receiving spread spectrum signal, and receiver
11776798850Method and arrangement in a radio receiver system with several standards
11786798847Transmit antenna diversity apparatus and method for a base station in a CDMA mobile communication system
11796798823Parallel distributed sample acquisition system and signal acquisition method using the same
11806798759Method for using a base station to selectively utilize B and D channels to support a plurality of communications
11816798758Method and apparatus for acquiring code synchronization in a CDMA communication system
11826798737Use of Walsh-Hadamard transform for forward link multiuser detection in CDMA systems
11836798302Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system
11846795509Method of receiving spread-spectrum signal and radio communication terminal device
11856795491Spread spectrum localizers
11866795490Signal detection in a direct-sequence spread spectrum transmission system
11876795489Acquisition of a gated pilot
11886795488Spread spectrum communication apparatus
11896795487Receiver
11906795486Variable-length correlator for spread-spectrum communications
11916795452Method of tracking time intervals for a communication signal
11926795423System for continuous wave rejection
11936795422Method of providing hysteresis in detection of path timing by multiplying delay profile by weighting coefficient
11946795417User equipment with multiuser detection
11956795416Base station transceiver in CDMA mobile communication system
11966792542Digital system for embedding a pseudo-randomly modulated auxiliary data sequence in digital samples
11976792037Apparatus and method of searching for known sequences
11986792036Method for estimating channel impulse responses of a mobile radio channel
11996792035Method and apparatus for reducing the effect of multipath propagation in a received signal
12006792034Adaptive multi-users interference reduction and cancellation in a CDMA network
12016792032CDMA system transmission matrix coefficient calculation
12026792031Method for maintaining timing in a CDMA rake receiver
12036792030Method and apparatus for delivering non-obtrusive data services by spread spectrum modulation
12046791995Multichannel, multimode DOCSIS headend receiver
12056791965Code multiplexing transmitting apparatus
12066791964Multicarrier CDMA rake receiver apparatus
12076791960Pilot signals for synchronization and/or channel estimation
12086791955System, transmitter and receiver for code division multiplex transmission
12096788735Triple multiplexing spread spectrum receiver
12106788734Rake receiver for spread spectrum signal demodulation
12116788733Method and apparatus for interference cancellation in a communication system
12126788731Flexible correlation and queueing in CDMA communication systems
12136788708Code synchronization unit and method
12146788669CDMA demodulating apparatus and method and CDMA mobile communication system
12156788662Method for adaptive reverse power control for spread-spectrum communications
12166785554Modified finger assignment algorithm for high data rate calls
12176785322Node-B/base station rake finger pooling
12186785298Method for detecting transmission rate of code division multiple access (CDMA) type communication terminals
12196785257Base station
12206785250Method and apparatus for time-sharing channelization code in a CDMA communication system
12216785248Spread spectrum communication method and spread spectrum communication apparatus
12226782059Discontinuous transmission (DTX) detection
12236782041Radio receiver and method for identifying spreading codes
12246782040Interference cancellation in a spread spectrum communication system
12256782036Smart antenna multiuser detector
12266782035Base station apparatus of mobile communication system
12276782008Control signal transmission timing control in radio communication system
12286781980CDMA transmitter and method generating combined high-rate and low-rate CDMA signals
12296778840Method of controlling initial power ramp-up in a CDMA system by using short codes
12306778616Radio reception apparatus and received power amplification method
12316778593Demodulator device and demodulation method
12326778592Interference signal eliminator
12336778591Path search circuit dividing a received signal into a plurality of FFT windows to reduce arithmetic operation processes for cross-correlation coefficients
12346778586Radio communication equipment and communication method
12356778519Wireless multiple function PC card
12366778135GPS Receiver
12376775684Digital matched filter
12386775520Synthetic-aperture communications receivers
12396775341Time recovery circuit and method for synchronizing timing of a signal in a receiver to timing of the signal in a transmitter
12406775340Synchronization and channel estimation with extended pilot symbols
12416775332Multi-stage receiver
12426775331Transmission band limiting filter apparatus and transmission apparatus
12436775319Spread spectrum receiver architectures and methods therefor
12446775318Method and apparatus for code group identification and frame synchronization in DS/CDMA systems
12456775317Method for spread spectrum communications and transmitter and receiver of the same
12466775260Space time transmit diversity for TDD/WCDMA systems
12476775252Dynamic adjustment of search window size in response to signal strength
12486775242Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system
12496775233Rate processor sharing method and apparatus for scheduling data transmissions in a CDMA wireless communication system
12506774857Method facilitating inter-mode handoff
12516771934Methods and systems for reducing interference across coverage cells
12526771717Arrangement and method for restricting word length
12536771693Enhanced rake structure
12546771692Time tracking in a non-negligible multipath spacing environment
12556771691System and method for extracting soft symbols in direct sequence spread spectrum communications
12566771690Method and apparatus for providing blind adaptive estimation and reception
12576771688Segmented architecture for multiple sequence detection and identification in fading channels
12586771622Pilot-signal searching with decimation reordering
12596771616Sequential combined QPCH demodulation
12606768912Radio base station apparatus with inter-shelf communication
12616768769Receiving circuit, mobile terminal with receiving circuit, and method of receiving data
12626768768Method and apparatus for step two W-CDMA searching
12636768767GPS receiver capable of receiving C/A and P codes on multiple channels
12646768729CDMA receiver, path detection method, and recording medium on which path detection control program is recorded
12656766337Apparatus and method for generating spreading code in CDMA communication system
12666765953User terminal parallel searcher
12676765951Method for estimating the channel impulse response of a mobile radio channel
12686765950Method for spread spectrum communication of supplemental information
12696765899Method and an apparatus for clipping signals in a CDMA system
12706765506Scrambler, de-scrambler, and related method
12716763063Peak value estimation of sampled signal
12726763059Spread spectrum signal demodulator
12736763056Path timing detection circuit and detection method thereof
12746760573Frequency tracking using inner and outer loops
12756760393Spread-spectrum GMSK/M-ary radio with oscillator frequency correction
12766760366Method and apparatus for pilot search using a matched filter
12776760365Acquisition circuit for low chip rate option for mobile telecommunication system
12786760364Multipath processing for GPS receivers
12796760362Dynamic pilot filter bandwidth estimation
12806760361Cell searching in a CDMA communications system
12816760360Device and method for filtering received signals for mobile telephone system
12826760342Channelizer for a multi-carrier receiver
12836760321Method and apparatus for block-based chip timing estimation in a code division multiple access communication system
12846760315Interference cancellation in radio stations
12856757346Code division multiplex radio equipment with interference canceler
12866757345Reception method and receiver
12876757335Method and apparatus for coding in a telecommunications system
12886757334Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system
12896757324Method and apparatus for detecting jamming signal
12906757323Rapid signal acquisition by spread spectrum transceivers
12916757322Space diversity and coding, spread-spectrum antenna and method
12926757321Segment-wise channel equalization based data estimation
12936754503Method for adaptively selecting a soft symbol for a subsequent operation a communication device
12946754264Digital equalization method, and a radio communication receiver implementing such method
12956754257Frame timing synchronization method
12966754256Searcher for CDMA receiver apparatus
12976754255Mobile terminal, a base station, and a synchronization control method
12986754254Control of transit power during out-of-lock condition
12996754253Receiver architecture for transmit diversity in CDMA system
13006754252Method and apparatus for call drop prevention in a wireless communication system
13016754251Spread-spectrum telephony with accelerated code acquisition
13026753795Code generation device, semiconductor device, and receiver device
13036751278Loop error detector for use in a PN code timing tracking loop
13046751252Quasi-orthogonal code mask generating device in mobile communication system
13056751247Method of reducing interference, and radio system
13066751208Short code detection method
13076750818Method and apparatus to compute the geolocation of a communication device using orthogonal projections
13086748015Spread spectrum receiver with multi-bit correlator
13096748014Correlator/FIR filter unit for dual-mode transceiver
13106748013Receiver for wireless telecommunication stations and method
13116748012Multiuser receiver and communication system that performs multicode transmission
13126748010Combined searching and page monitoring using offline sample storage
13136748009Receiver for wireless telecommunication stations and method
13146748007Method of processing a pulse response with an adaptive threshold and corresponding receiver
13156748006Method and apparatus for controlling system timing with use of a master timer
13166747969Transmission gap interference measurement
13176747963Apparatus and method for gated transmission in a CDMA communication system
13186745050Multichannel multiuser detection
13196745035Communication terminal apparatus and transmission method of information necessary for communication using a downlink shared channel (DSCH)
13206744809Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
13216744808Techniques to increase data transmission rate of spread spectrum communications systems
13226744806Fast-synchronizing high-fidelity spread-spectrum receiver
13236744781Base station for supporting communication rate modifications
13246744756System for detecting short codes
13256744755Base station for detecting short codes
13266744749Method and apparatus for pilot estimation using a wiener filter
13276744747Method & apparatus for W-CDMA handoff searching
13286744404Unbiased code phase estimator for mitigating multipath in GPS
13296741862Enhanced reverse-link rate control in wireless communication
13306741836Dual mode bluetooth/wireless device with power conservation features
13316741667Device and method for perch channel reception for mobile radio communication terminal according to CDMA
13326741665Method and apparatus providing an amplitude independent automatic frequency control circuit
13336741661Method and apparatus for peak-to-average power reduction
13346741653Data detection for codes with non-uniform spreading factors
13356741638Bandpass processing of a spread spectrum signal
13366741636System and method for converting data into a noise-like waveform
13376741633Hop overlay signal structure for including additional signaling channels in code division multiple access communication and navigation systems
13386741609Method implemented by a subscriber unit for selectively suppressing communications
13396741584User equipment for detecting short codes
13406741582PCS CDMA cell having increased sector capacity
13416741578Apparatus and method for synchronizing channels in a W-CDMA communication system
13426741564Method implemented by a base station for selectively suppressing communications
13436738608Frequency-timing control loop for wireless communication systems
13446738438Parameter estimator with dynamically variable search window size and/or placement
13456738414Radio and communication method using a transmitted intermediate frequency
13466738413Code generator, communication unit using the code generator, communication system, and code generation method
13476738412Mobile communications device, communications system, and communications method
13486738391Method for enhancing voice quality in CDMA communication system using variable rate vocoder
13496735606Multi-sequence fast slewing pseudorandom noise generator
13506735242Time tracking loop for pilot aided direct sequence spread spectrum systems
13516735241CDMA receiver
13526735240System and method of deskew buffering signals
13536735189Flexible CDMA combiner
13546735185DS/CDMA reverse link structure for high data rate transmission
13556735167Orthogonal transform processor
13566732130Fast hadamard transform device
13576731911Method of performing automatic frequency control in mobile station in waiting mode
13586731676Assigning clusters of demodulation elements in a spread spectrum system
13596731675Receiving device for spread spectrum communication system
13606731673Synchronization channel with cyclic hierarchical sequences and method for cell site search with low detector complexity
13616731672GPS receiver having improved signal acquisition at a low signal to noise ratio
13626731670Method and circuit for generating spreading codes
13636731668Method and system for increased bandwidth efficiency in multiple input--multiple output channels
13646731622Multipath propagation delay determining means using periodically inserted pilot symbols
13656731614Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
13666728324Method and apparatus for multipath signal compensation in spread-spectrum communications systems
13676728306Method and apparatus for synchronizing a DS-CDMA receiver
13686728305Simultaneous plural code series generator and CDMA radio receiver using same
13696728304Method and apparatus for performing a signal detection and assignment in a wireless communication system
13706728303Timing discriminator with merge protection
13716728301System and method for automatic frequency control in spread spectrum communications
13726728299Transmitter gain control for CDMA signals
13736728298Spread spectrum communication system and method for the same
13746728297Method for allocating secondary synchronization codes to a base station of a mobile telecommunication system
13756728296Direct sequence spread spectrum system with enhanced forward error correction code feature
13766728292Combined closed loop/open loop power control in a time division duplex communication system
13776728229Cell search apparatus and method in asynchronous communication system
13786728225Asymmetrical forward/reverse transmission bandwidth
13796728218Method of dynamic rate switching via medium access channel layer signaling
13806728203Systems and methods for selecting a cell in a communications network
13816727790Acquisition of sychronization in a spread spectrum communications transceiver
13826725028Receiving station with interference signal suppression
13836725025Interference cancellation among wireless units using Gibbs sampling
13846725016Method and apparatus for managing multipath signals for a receiver with multiple demodulators
13856724845Modified filtering for asynchronous inputs
13866724812Matching filter calculating correlation valve utilizing exclusive-or of two data and exclusive-or of two codes corresponding to the input data
13876724811Pseudo-noise correlator for GPS spread-spectrum receiver
13886724810Method and apparatus for de-spreading spread spectrum signals
13896724809Parallel interference cancellation receiver for multiuser detection of CDMA signals
13906724808Transmission power control method of measuring Eb/N0 after weighted signals are combined
13916724806Variable rate transmission and reception methods, and variable rate transmission and reception devices
13926724805Nonlinear dynamic system for spread spectrum code generation and acquisition
13936724804Frequency converter and radio communications system employing the same
13946724745Processing reduction in CDMA telephones
13956724743Method of conjoint detection of a set of CDMA codes
13966724742Method for controlling gated transmission of dedicated channel in W-CDMA communication system
13976724740Channel communication device and method for CDMA communication system
13986724739Method for handoff between an asynchronous CDMA base station and a synchronous CDMA base station
13996724738Method and apparatus for acquiring a pilot signal in a CDMA receiver
14006724719Determining transmit signal powers of channels in a CDMA communications system
14016721350Spread spectrum adaptive power control using a base station
14026721349Method and apparatus for reducing peak-to-average ratio in a CDMA communication system
14036721339Method of providing downlink transmit diversity
14046721301Centroid tracking for spread-spectrum communications
14056721299Pilot signals for synchronization and/or channel estimation
14066721296Code division multiple access mobile communication system
14076721295Triple data system for high data rate communication systems
14086721293Unsupervised adaptive chip separation filter for CDMA terminal
14096720917Acquisition for GPS C/A code and P(Y) code
14106718166Multiple carrier adaptive notch filter
14116718162Receiver for a CDMA mobile radiocommunication system
14126717996Digital signal timing synchronization process
14136717978Method and apparatus for system time alignment
14146717977Apparatus for acquiring pseudo noise code and direct sequence code division multiple access receiver including the same
14156717976Method and apparatus for signal to noise power ratio estimation in a multi sub-channel CDMA receiver
14166717930Cell search procedure for time division duplex communication systems using code division multiple access
14176717929Multi-antenna radio apparatus with simplified circuit structure
14186717909Ethernet protection system providing fault tolerence for communication lines and interface cards according to classified failure states
14196714599Method and apparatus for efficient processing of signal in a communication system
14206714586Sliding matched filter with flexible hardware complexity
14216714585Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics
14226714583Matched-filter obtained side information for spread-spectrum data detection
14236714582Code division multiple access communication system and code division multiple access transmitting apparatus
14246714527Multiuser detector for variable spreading factors
14256714526Method and apparatus for code assignment in a spread spectrum wireless communication system
14266714158Method and system for data detection in a global positioning system satellite receiver
14276711420Modified finger assignment algorithm for high data rate calls
14286711403Wireless network with signaling sequence exchange between a base station and a plurality of terminals
14296711219Interference cancellation in a signal
14306711145Spread spectrum base station notch filtering transmitted signals
14316708348Anatomic dry athletic toe sock
14326707864Simplified block linear equalizer with block space time transmit diversity
14336707847Method and apparatus for detecting a spread code from a perch channel
14346707846Correlation energy detector and radio communication apparatus
14356707845Processing for improved performance and reduced pilot
14366707844Synchronous circuit and receiver
14376707843Strong signal cancellation to enhance processing of weak spread spectrum signal
14386707842Accelerated base station searching by buffering samples
14396707805Method for initial power control for spread-spectrum communications
14406707788Channel spreading device and method in CDMA communication system
14416707423Location services system that reduces auto-correlation or cross-correlation in weak signals
14426704552Mobile communication apparatus with an automatic frequency controller
14436704380Synchronizing PCM and pseudorandom clocks
14446704376Power and confidence ordered low complexity soft turbomud with voting system
14456704348Method and apparatus for computing signal correlation at multiple resolutions
14466704347CDMA receiver operable in a time division fashion and method for controlling the same
14476704344Broad-brand MPSK spread spectrum communications receiver with carrier recovery and tracking using correlation techniques
14486704322Smart different prime code multiplexing system
14496703977Method of operating a radio-based communications system
14506701431Method of generating a configuration for a configurable spread spectrum communication device
14516701163Base station apparatus and method for suppressing peak electric power
14526700929Method and apparatus for multipath parameter estimation in spread-spectrum communications systems
14536700925Apparatus for detecting correlation, spectrum despread apparatus and receiver having the same, and method for detecting correlation
14546700924Spread-spectrum data transmission apparatus comprising a data receiver
14556700923Adaptive multiple access interference suppression
14566700921Spread-spectrum communication apparatus
14576700880Selection mechanism for signal combining methods
14586697629Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
14596697418Spread spectrum communication device and communication system
14606697417System and method of estimating earliest arrival of CDMA forward and reverse link signals
14616697416Digital programmable, spread spectrum clock generator
14626697415Spread spectrum transceiver module utilizing multiple mode transmission
14636697350Adaptive vector correlator for spread-spectrum communications
14646694496Flexible preamble processing for detecting a code sequence
14656693982Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes
14666693955Portable terminal
14676693954Apparatus and method of early-late symbol tracking for a complementary code keying receiver
14686693953Adaptive wireless communication receiver
14696693951System and method for generating signal waveforms in a CDMA cellular telephone system
14706693920Method and an apparatus for a waveform quality measurement
14716693890Fast acquisition module for a code division multiple access (CDMA) wireless local loop (WLL) system
14726693884Method of quantifying the quality of service in a CDMA cellular telephone system
14736690716Correlator for realizing low current consumption
14746690715Rake receiver with embedded decision feedback equalizer
14756690714Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation
14766690713Tracking loop for a code division multiple access (CDMA) system
14776690712Apparatus and method for transmission diversity using more than two antennas
14786690711User equipment which uses pre-rotation before transmission
14796690660Adaptive algorithm for a Cholesky approximation
14806687511CDMA transmit peak power reduction
14816687319Spread spectrum clocking of digital signals
14826687316High resolution correlator technique for spread spectrum ranging system code and carrier multipath mitigation
14836687238CDMA signal transmission control
14846687205Parallel coded spread spectrum communication for data storage
14856686879Method and apparatus for transmitting and receiving signals having a carrier interferometry architecture
14866683929Mobile communication device having a good tracking precision and a wide following range of synchronization
14876683924Apparatus and methods for selective correlation timing in rake receivers
14886683923Method and apparatus for detecting and tracking coded signals in a noisy background environment
14896683908RF receiver having improved signal-to-noise ratio and method of operation
14906683907Amplitude and phase estimation method in a wireless communication system
14916683906Radio communication apparatus
14926683905Dual-mode receiver
14936683903Method and apparatus for synchronization within a spread-spectrum communication system
14946683861CDMA mobile communication system, searcher circuit and communication method
14956680978Method and apparatus for nonlinear filtering and controlling the peak-to-average ratio
14966680969Methods for estimating doppler spreads including autocorrelation function hypotheses and related systems and receivers
14976680968CDMA searcher with time offset compensation
14986680967Receiver
14996680928Communications system and method for multi-carrier orthogonal coding
15006680927Spread spectrum communication device and spread spectrum communication method
15016680914Method for optimizing the performance of the code division multiple access system and the air field environments
15026680902Spreading code selection process for equalization in CDMA communications systems
15036680727Method and apparatus for canceling pilot interference in a CDMA communication system
15046680695Communications system that reduces auto-correlation or cross-correlation in weak signals
15056678338Receiver module and receiver formed from several cascaded modules
15066678314Spreading factor determination
15076678312Method for extending digital receiver sensitivity using analog correlation
15086678311High data CDMA wireless communication system using variable sized channel codes
15096674793System and method for joint time tracking of multiple paths
15106674792Demodulation of receiver with simple structure
15116674791Automatic power control system for a code division multiple access (CDMA) communications system
15126674790System and method employing concatenated spreading sequences to provide data modulated spread signals having increased data rates with extended multi-path delay spread
15136674788Automatic power control system for a code division multiple access (CDMA) communications system
15146674787Raising random access channel packet payload
15156674740Iterative rake receiver and corresponding reception process

2003

15166671311Receiver for use in a code shift keying spread spectrum communications system
15176671308Spread spectrum adaptive power control
15186671307Spread-spectrum high data rate system and method
15196671268Channel estimation in a CDMA wireless communication system
15206671267Spread spectrum communication device and spread spectrum communication method
15216671266Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in CDMA communication system
15226670919Adaptive antenna receiving apparatus
15236668012Identification of an identifiable code sequence in a received signal by correlation with summed different-phase replicas of the sequence
15246668011Block detection receiver
15256668010PN code generation apparatus and method, and radio communication apparatus
15266667964Propagation path-estimation method for an interference canceler and interference elimination apparatus
15276667962Method for recovering dropped call in mobile station for CDMA system and method for informing recovery of the dropped call
15286667708Method and system for a programmable code generator
15296665692Method for updating a linear feedback shift register of code generator
15306665358Digital matched filter circuit employing analog summation
15316665348System and method for interoperable multiple-standard modulation and code selectable Feher's GMSK, enhanced GSM, CSMA, TDMA, OFDM, and third-generation CDMA, W-CDMA and B-CDMA
15326665334Reception method and a receiver
15336665332CDMA geolocation system
15346665308Apparatus and method for equalization in distributed digital data transmission systems
15356665288Method and apparatus for reducing synchronization code interference in CDMA communications systems
15366665284Apparatus, and associated method, for receiving data at a radio device
15376665282Method and apparatus for configuring a RAKE receiver
15386665277Comma free codes for fast cell search using tertiary synchronization channel
15396661835Receiving device and channel estimator for use in a CDMA communication system
15406661834Carrier recovery for spread spectrum communications
15416661833PN generators for spread spectrum communications systems
15426661832System and method for providing an accurate estimation of received signal interference for use in wireless communications systems
15436661831OUTPUT APPARATUS, TRANSMITTER, RECEIVER, COMMUNICATIONS SYSTEM FOR OUTPUTTING, TRANSMITTING AND RECEIVING A PSEUDORANDOM NOISE SEQUENCE, AND METHODS FOR OUTPUTTING, TRANSMITTING RECEIVING PSEUDORANDOM NOISE SEQUENCES AND DATA RECORDING MEDIUM
15446661809Methods and communications terminals for increasing capacity CDMA communications networks
15456658076Receiver and method for receiving spread spectrum signal by estimating transmitted symbol rate
15466658048Global positioning system code phase detector with multipath compensation and method for reducing multipath components associated with a received signal
15476658046Spread spectrum receiver having multiple search windows to prevent misalignment during call
15486658045CDMA communications system adaptive to mobile unit speed
15496658044Frequency hopping communication device and frequency hopping method
15506658043Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
15516658042Method and apparatus for time tracking a signal using hardware and software
15526657986Variable clock rate correlation circuit and method of operation
15536654408Method and system for multi-carrier multiple access reception in the presence of imperfections
15546654407Noise shaping technique for spread spectrum communications
15556654405Methods and apparatus for use in performing dot product operations for spread spectrum communications
15566654365Reduced complexity trellis-based multiuser detector for CDMA
15576654364Cellular/PCS CDMA system with increased sector capacity
15586650694Correlator co-processor for CDMA RAKE receiver operations
15596650693Complex type correlator in CDMA system and initial synchronization acquiring method using the same
15606650692CDMA receiver
15616650691Power control in spread spectrum communications systems
15626650690Device and system for carrying out search procedures in a mobile radio receiver
15636650689Correlator and delay lock loop circuit
15646650688Chip rate selectable square root raised cosine filter for mobile telecommunications
15656650687Methods and apparatus for use in simultaneously generating data sequences for spread spectrum communications
15666650653Software-based digital receiver adaptable to multiple multiplexing schemes
15676650150Numerically controlled oscillator in particular for a radiofrequency signal receiver
15686647077Multipath parameter estimation in spread-spectrum communications systems
15696647056Correlation circuit for spread spectrum communication, demodulation circuit and reception apparatus
15706647055Adaptive channel estimation using continuous pilot signal based on doppler period
15716647054Multiple mask arrangement for jumping in pseudo-noise sequences
15726647051Zero delay mask for galois LFSR
15736647022Interference canceller
15746647003Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit
15756646579Method and device for generating OVSF code words
15766643344Tracking method and configuration for carrying out the method
15776643320Receiver for DS-CDMA signals
15786643280Method and apparatus for generation of CDMA long codes
15796643275Random access in a mobile telecommunications system
15806640107Wireless location handset apparatus
15816640088Method and system for adaptive channel estimation techniques
15826639939Direct sequence spread spectrum method computer-based product apparatus and system tolerant to frequency reference offset
15836639937Method and apparatus for producing spread-coded signals
15846639907Method and apparatus for processing paging indicator bits transmitted on a quick paging channel
15856639906Multichannel demodulator
15866638775Method for fabricating semiconductor memory device
15876636723CDMA radio communication system using chip interleaving
15886636558Multipath mitigation approach for spread spectrum ranging/positioning systems
15896636557Despreading circuit
15906636556Large area wireless CDMA system and method
15916636555Amplitude limitation
15926636554Transmission method of words representing transmission parameters respectively allocated to mobile stations communicating with base station in mobile communication system
15936636552Sequence hopping for combinations of pseudo-random noise sequences
15946636550Bi-directional transmitter/receiver system and bi-directional transmitter/receiver
15956636494Method of resolving physical layer collisions in a random access protocol an a corresponding receiver
15966633814GPS system for navigating a vehicle
15976633603Code tracking loop with automatic power normalization
15986633602User equipment which uses pre-rotation before transmission
15996633601Method and device for frame rate determination using correlation metrics and frame quality indicators
16006633600Traffic lights in a code division multiple access (CDMA) modem
16016631173Method and arrangement for calculating correlation
16026631170Radio frequency receiver
16036631158Method for updating linear feedback shift register of code generator
16046631157Multi-clock matched filter for receiving signals with multipath
16056628733Diversity receiving device and method thereof
16066628702Method and apparatus for demodulating signals processed in a transmit diversity mode
16076628701Method and apparatus for reducing spread spectrum noise
16086628700CDMA reception method and CDMA receiver
16096628699Receiving a spread spectrum signal
16106628698CDMA reception apparatus and power control method therefor
16116628675Symbol combiner synchronization after a jump to a new time alignment
16126628635Spread spectrum communication system and transmission power control method therefor
16136628634Fast decoding of long codes
16146625434Method of performing automatic frequency control in a mobile station during in speech communication mode
16156625205Matched filter circuit
16166625204Synchronization and bit detection in a single spreading sequence SAMA receiver
16176625203Fast joint detection
16186625202Mobile station for spread spectrum communication
16196625201Coherent receiver with channel estimator
16206625200Multi-stage CDMA synchronization with parallel execution
16216625199Methods and apparatus for use in simultaneously generating multiple data sequences using a single data access module
16226625197Method and apparatus for multipath demodulation in a code division multiple access communication system
16236625173Base station transmitter for CDMA system and serial signal transmitting method therefor
16246625138Data transmission method and a radio system
16256625132Idle intersystem roaming determination and system reselection in a CDMA wireless communication system
16266624767Data buffer structure for asynchronously received physical channels in a CDMA system
16276621875High data rate CDMA wireless communication system using variable sized channel codes
16286621858Flexible sliding correlator for direct sequence spread spectrum systems
16296621856Method of receiving CDMA signals with parallel interference suppression, and corresponding stage and receiver
16306621855Scalable spread-spectrum signal detection and acquisition processor
16316621854Spread-spectrum electromagnetic signals
16326621850Block detection receiver
16336621808Adaptive power control based on a rake receiver configuration in wideband CDMA cellular systems (WCDMA) and methods of operation
16346618434Adaptive, multimode rake receiver for dynamic search and multipath reception
16356618433Family of linear multi-user detectors (MUDs)
16366618431Processor-based method for the acquisition and despreading of spread-spectrum/CDMA signals
16376618430Methods and apparatus for receiving N-chip resistant codes
16386618429System and method for generating signal waveforms in a CDMA cellular telephone system
16396618428Method for transmitting an information of mobile telecommunication system
16406618010Passive tracking system and method
16416616254Code shift keying transmitter for use in a spread spectrum communications system
16426615050Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communication system
16436615030Mobile communications system and radio base station apparatus
16446614864Apparatus for and method of adaptive synchronization in a spread spectrum communications receiver
16456614836Biased-corrected rake receiver for direct sequence spread spectrum waveform
16466614835Acquisition method and configuration for carrying out the method
16476614834Communication arrangement and method with fast tracking receiver for spread spectrum signals
16486614771Apparatus for making a random access to the reverse common channel of a base station in CDMA and method therefor
16496614766Interference canceller
16506611550Spread spectrum receiver
16516611549Frequency switching method, voltage controlled oscillator using same and receiver for spread spectrum communication using same
16526611548Multipath processor
16536611513CDMA system with iterative demapping of a received signal
16546611512Apparatus and method for scheduling correlation operations of a DS-CDMA shared correlator
16556611223Method and apparatus for ultra wide-band communication system using multiple detectors
16566608859Fast joint detection base station
16576608858Multipath doppler adjusted frequency tracking loop
16586608838Subscriber unit which selectively utilizes B and D channels to support a plurality of communications
16596608826Continuously adjustable bandwidth discrete-time phase-locked loop
16606608825CDMA communication system which selectively suppresses data transmissions during establishment of a communication channel
16616606503Apparatus for controlling initial power ramp-up in a CDMA system by using short codes
16626606487Automatic frequency correction method and apparatus for time division duplex modes of 3G wireless communications
16636606349Spread spectrum receiver performance improvement
16646606348Receiving method and receiver for spread spectrum signals
16656606347Multistage interference canceller using primary and secondary path timings
16666606346Method and apparatus for computing signal correlation
16676606345Base station which uses pre-rotation before transmission
16686606342Sequence hopping for a pseudo-random noise sequence
16696603827Method and apparatus for digital symbol detection using medium response estimates
16706603823Channel estimator
16716603803Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error on coded signals and carrier phase measurements
16726603801Spread spectrum transceiver for use in wireless local area network and having multipath mitigation
16736603754Basestation transmission system in mobile communication system and method for processing baseband signal using the same
16746603743Cancellation of pilot and traffic signals
16756603735PN sequence identifying device in CDMA communication system
16766600907Wireless communication apparatus and power consumption reducing method thereof
16776600777Assignment and deassignment of CDMA second finger
16786600775Adaptive reference pattern for spread spectrum detection claims
16796600772Combined closed loop/open loop power control in a time division duplex communication system
16806600729DS-CDMA multi-user interference canceller and DS-CDMA Communication system
16816597729Joint position and carrier frequency estimation method of initial frequency acquisition for a WCDMA mobile terminal
16826597727Programmable modem apparatus for transmitting and receiving digital data, design method and use method for the modem
16836597677Spreading code allocation method and system
16846597676CDMA communication system and method
16856597282Spread spectrum transmission system
16866594487Reception device for a radio communication system for receiving subscriber signals via a radio interface
16876594324Correlation operation method and matched filter
16886594323Method and apparatus for integrating isochronous and asynchronous communication in a network
16896594321Electrical clipper
16906594317Simple encoding/decoding technique for code position modulation
16916594303Coherent demodulator for use in the presence of phase discontinuities
16926594286Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal
16936594248Data transmission method and a radio system
16946591109Cross cell user equipment interference reduction in a time division duplex communication system using code division multiple access
16956590947Correlation detecting method and matched filter unit
16966590889Data communications system and hybrid time-code multiplexing method
16976590888Cellar system, mobile portable apparatus, base station apparatus, optimum path detecting method, and apparatus thereof
16986590886Technique for reduction of awake time in a wireless communication device utilizing slotted paging
16996590872Receiver with parallel correlator for acquisition of spread spectrum digital transmission
17006587524Reception method and receiver for mobile radiotelephone applications
17016587517Multi-stage receiver
17026587501Method and apparatus for joint detection of a coded signal in a CDMA system
17036587499Base station which uses pre-rotation before transmission
17046584313Offline page of monitoring
17056584142Matched filter
17066584141DS-CDMA system with high resolution timing
17076584115Multiuser interference canceler for DS-CDMA system
17086584081Method and apparatus for eliminating intermodulation interference in cellular telephone systems
17096580772Method of forming channel estimate, and receiver
17106580771Successive user data multipath interference cancellation
17116580753Method of transmitting information via a telecommunication system and corresponding telecommunication system
17126580750Process for receiving spread-spectrum signals
17136580749CDMA receiver having a controllable search range and method for controlling the same
17146580748Spread spectrum communication method and spread spectrum communication apparatus
17156580703CDMA base station apparatus and code assignment method
17166580702Data transmission apparatus for CDMA communication system and method thereof
17176577876Base station for controlling initial power ramp-up using short codes
17186577676Digital matched filter
17196577674Channel compensator for DS-CDMA receiver
17206577673Spread spectrum base station for simultaneously receiving and processing multiple channels of data
17216577672Spread spectrum mobile station for simultaneously receiving and processing multiple channels of data
17226577671Enhanced code allocation method for CDMA systems
17236574558GPS receiver with cross-track hold
17246574483Modified finger assignment algorithm for high data rate calls
17256574271Spread spectrum receiver for receiving a data signal using an adaptive algorithm
17266574270Baseband interference canceling spread spectrum communications methods and apparatus
17276574269Asymmetric orthogonal codes for wireless system receivers with multiplication-free correlators
17286574267Rach ramp-up acknowledgement
17296574265CDMA communication system using an antenna array
17306574235Methods of receiving co-channel signals by channel separation and successive cancellation and related receivers
17316574211Method and apparatus for high rate packet data transmission
17326574205CDMA cellular system and method of detecting spreading code in CDMA cellular system
17336574204Method of canceling interference components included in received signals of base station in mobile communication system
17346574200CDMA receiver comprising a synchronous timing notifying section capable of reaching low consumption of current
17356571105Method employed by a base station for controlling initial power ramp-up using short codes
17366571099Cell searching method in asynchronous wideband code division multiple access system
17376570918Receiver and method for recovering data from spread spectrum radio signals
17386570909Interference suppression in a CDMA receiver
17396570908Apparatus and method for distortion compensation of high power amplifier in DS-multicode CDMA system
17406570864Integrated receiving apparatus of subtractive interference cancellation receiver and adaptive MMSE receiver
17416570863Apparatus and method for adaptive CDMA detection based on constrained minimum mean squared error criterion
17426570842System and apparatus for designing and producing signalling waveforms for direct-sequence code division multiple access communications
17436567483Matched filter using time-multiplexed precombinations
17446567482Method and apparatus for efficient synchronization in spread spectrum communications
17456567466Method and apparatus for determining the data rate of a received signal in a variable data rate orthogonal spread spectrum communication system
17466567462Receiver and method of recovering data from radio signals
17476567460Device and method for detecting pilot PN offset in cordless telephone system
17486567428Method and system for using low data rate vocorder packets to multiplex signaling packets into a CDMA traffic channel for high quality CDMA voice transmission
17496567412Holding a connection in an ISDN network with a DECT intermediate system
17506567393Dynamic reselection of CDMA spreading codes
17516567392Method and system for using vocorder rate determination for high quality CDMA voice transmission
17526567381Method and apparatus for automatic call test in a CDMA system
17536567042Acquisition through circular correlation by partition for GPS C/A code and P(Y) code
17546564062Pilot search to determine processor loading
17556563886Bit timing synchronization device and a method for the same
17566563880Method and system for simultaneously broadcasting and receiving digital and analog signals
17576563861Doppler spread estimation system
17586563860Base station having a set of phased array antennas
17596563859Receiver and receiving method in multi-carrier spread-spectrum communications
17606563857Low cost DSSS communication system
17616563812Method and apparatus for detecting multiple signals in a CDMA network
17626563810Closed loop resource allocation
17636563373Filter circuit utilizing a plurality of sampling and holding circuits
17646560300CDMA communication system using an antenna array
17656560292Method for coding in a telecommunications system
17666560273Delay searcher and delay trackers interaction for new delays assignment to rake fingers
17676560272Decode circuit for code division multiple access receiver
17686560271Pseudo noise code acquisition apparatus for direct sequence spread spectrum communications
17696560270Method for tuning a spread spectrum receiver
17706560212Generating an offset de-bruijn sequence using masks for a CDMA communication system
17716556634Maximum likelihood rake receiver for use in a code division, multiple access wireless communication system
17726556620Synchronization acquisition device for both preventing erroneous detection due to noise and reducing required storage capacity
17736556618Transmitter, receiver and method in a telecommunication system for generating PN sequences for a plurality of user channels
17746556615Wide correlated optimized code multipath reduction
17756556557Method and system for reducing of peak-to-average power ratio of transmission signals comprising overlapping waveforms
17766556555Method for calculating the PN generator mask to obtain a desired shift of the PN code
17776556552Signal strength measurement method and device
17786556167Direct acquisition of very large PN sequences in GPS systems
17796553059Correlation value calculation for use in a mobile communication system
17806553058Multi-user parallel interface canceler apparatus
17816553056CDMA receiver with a reduced number of required high speed adders
17826552995Spectrum diffusion signal analyzer and method of analyzing diffusion signal
17836549585Combined interference cancellation and maximum likelihood decoding of space-time block codes
17846549567Full duplex ultrawide-band communication system and method
17856549565Code division multiple access system and method of operation with improved signal acquisition and processing
17866549564Random access in a mobile telecommunications system
17876549563Methods and apparatus for use in generating spreading sequences for multiple modes of communication
17886549559Apparatus and method for locking onto a psuedo-noise code in an IS-95 spread spectrum communications system
17896549545Pilot signal detection method and receiver
17906549527Radio receiver and despreader
17916549525High data rate CDMA wireless communication system
17926546064Synchronization acquiring method synchronization acquiring apparatus
17936546062Wireless network
17946546043Method and apparatus for cancellation of multiple access interference in a code division multiple access (CDMA) communication system
17956546042Cyclic adaptive receivers for DS-CDMA signals
17966546041Radio transmission method and apparatus for digital information
17976546040GPS receiver having improved signal acquisition at a low signal to noise ratio
17986545991Diversity method
17996542743Method and apparatus for reducing pilot search times utilizing mobile station location information
18006542536Spread spectrum communications with selectable data transfer rates
18016542478Device and method for generating PN sequence in CDMA communication system
18026541950Multipath meter
18036539211Efficient system and method for facilitating quick paging channel demodulation via an efficient offline searcher in a wireless communications system
18046539202Interference canceling device
18056539069Dynamic filtering of pilot energy samples in a wireless communication system
18066539068Receiver of wideband digital signal in the presence of a narrow band interfering signal
18076539049Device and method for maintaining time synchronous with a network master time
18086539048Ring matched filter for synchronizing to a spreading code
18096539032Methods for synchronizing between a base station and a mobile station in a cell-based mobile communications system
18106539009Signal reception apparatus for DS-CDMA cellular system
18116539006Mobile station capable of determining base station suitability
18126539005Method for searching access channel and allocating finger for base station
18136535561Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals and DC offset compensation
18146535545RF modem utilizing saw resonator and correlator and communications transceiver constructed therefrom
18156535502Pilot symbols
18166535500Transmitter of a mobile station in a CDMA communications system and method therefor
18176535499Multi-mode communication device
18186535478Reduced peak-to-average amplitude multichannel link
18196532255Method and arrangement for minimizing the autocorrelation error in the demodulation of a spread-spectrum signal subject to multipath propagation
18206532254Receiver and receiving method simplifying the interference cancellation of multi-user detection in a direct sequence code division multiple access (DS-CDMA) telecommunication system
18216532253Spread spectrum systems with trellis-coded modulation
18226532252Device and method for measuring non-orthogonal noise power for CDMA communication system
18236532251Data message bit synchronization and local time correction methods and architectures
18246532250Methods and apparatus for spreading and despreading information signals in code division multiple access communications systems
18256529829Dead reckoning system for reducing auto-correlation or cross-correlation in weak signals
18266529560System and method to reduce the peak-to-average power ratio in a DS-CMDA transmitter
18276529546Acquisition of a spread-spectrum signal using counters
18286529545Rake receiver
18296529495Method and apparatus for providing differencing multistage detection in the reverse link of a code division multiple access communication system
18306526271Method and apparatus for interference rejection
18316526103Multi-stage receiver
18326526090Demodulation element assignment for a receiver capable of simultaneously demodulating multiple spread spectrum signals
18336526039Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system
18346526037Method for allocating signature sequence in CDMA system
18356526035Method and apparatus for identifying the source of a digital signal
18366526031Forward power control determination in spread spectrum communications systems
18376526027Broadcast short message service execution method in a mobile communication system
18386522687Data transmitter and receiver of a DS-CDMA communication system
18396522686Receiving apparatus of spectrum spread communication system
18406522684Delay lock loop, receiver, and spectrum spreading communication system
18416522683Method and apparatus for adaptive linear equalization for walsh covered modulation
18426522682Triple multiplexing spread spectrum receiver
18436522658Method for discriminating and routing data packets based on quality-of-service requirements
18446522639Transmission/reception apparatus and transmit power control method
18456522625Radio communication apparatus and radio communication method
18466519474Subscriber unit for controlling initial power ramp-up using short codes
18476519451Receiving method and receiving apparatus
18486519292Transmission method, transmitter and receiver
18496519277Accelerated selection of a base station in a wireless communication system
18506519276Sequential path searching method in a mobile telecommunication system having a variable data rate transmission environment
18516519275Communications system employing differential orthogonal modulation
18526519244CDMA transmitter capable of reducing transmission power
18536519238Transmission apparatus and base station apparatus using the same
18546519237Apparatus and method for parallel searching and correlating for CDMA system
18556519227W-CDMA analyzing apparatus, method of displaying results of W-CDMA analysis, and recording medium carrying record of program for displaying results of W-CDMA analysis
18566516441Device and method for transmitting subframe in mobile communication system
18576516022Processing for improved performance and reduced pilot
18586516020Correlator and despreading code switching method
18596515980Methods and apparatus for interference cancellation using complex interference orthogonalization techniques
18606515979Baseband signal processor capable of dealing with multirate and multiuser communication with a small structure
18616515978Methods and apparatus for downlink diversity in CDMA using Walsh codes
18626515977De-assigning signals from the fingers of a rake receiver
18636515961Decresting peaks in a CDMA signal
18646512803Global positioning system receiver capable of functioning in the presence of interference
18656512785Matched filter bank
18666512784Efficient sharing of capacity by remote stations using circuit switching and packet switching
18676512753Device and method for spreading channels in mobile communication system
18686510187Mobile radio terminal and automatic frequency control circuit
18696510183Method and apparatus for superimposing and detecting an additional information signal
18706510171Multi-link wire hopping over copper pairs
18716510147Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals
18726510143Adaptive path searcher in a CDMA receiver
18736509807Energy conditioning circuit assembly
18746507745Apparatus for controlling initial power ramp-up in a CDMA system by using short codes
18756507605Rake receiver in direct spreading CDMA transmission
18766507604Rake receiver for CDMA wireless communications
18776507603CDMA receiver
18786507602Smoothing receiver channel estimates using spectral estimation
18796507576Code division multiple access mobile communication system
18806507574Transmission/reception apparatus and transmit power control method
18816507571Receiving apparatus and receiving method
18826507568Enhanced access in wireless communication systems under rapidly fluctuating fading conditions
18836504883Synchronous detector
18846504862Method and apparatus for reducing the ratio of peak to average power in a Gaussian signal including a CDMA signal
18856504816Baseband signal demodulating apparatus and method in mobile radio communication system

2002

18866501789CDMA receiving apparatus
18876501788Apparatus and methods for intereference cancellation in spread spectrum communications systems
18886501748Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication systems using same
18896498805Apparatus and method for estimating channel phase using channel symbol reliability data
18906498789CDMA mobile communications device
18916498784Cancellation of pilot and traffic signals
18926496706Method and system for transmit gating in a wireless communication system
18936496533Receiver having a memory search for fast acquisition of a spread spectrum signal
18946496494Receiver and method with enhanced performance for CDMA transmission
18956493815Interleaving/deinterleaving device and method for communication system
18966493563Method of controlling initial power ramp-up in CDMA systems by using short codes
18976493379Arrival direction estimation method using an array antenna and DS-CDMA receiver unit using the method
18986493378Methods and apparatuses for reducing multipath errors in the demodulation of pseudo-random coded signals
18996493376Multi-layered PN code spreading in a multi-user communications system
19006493334Spread spectrum time-division multiple access communication scheme
19016493330CDMA cellular radio transmission system
19026493329Adaptive channel estimation in a wireless communication system
19036490462Method of controlling initial power ramp-up in a CDMA system by using short codes
19046490329Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock
19056490316Correlation detection apparatus and CDMA receiving apparatus
19066490315Code synchronization method and receiver
19076490314Method for overlay of narrowband and wideband communication systems
19086490313System and method for PN offset index planning in a digital CDMA cellular network
19096490265CDMA receiver phase tracking system
19106487238Signal receiving device and radio transmission device and radio transmission method
19116487237Spreading code estimating apparatus and spreading code estimating method
19126487236Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation
19136487190Efficient multichannel filtering for CDMA modems
19146483868Processing for improved performance and reduced pilot
19156483867Tracking loop realization with adaptive filters
19166483821CDMA mobile communications system and method with improved channel estimation and pilot symbol transmission
19176483817Digital combining of forward channels in a base station
19186480558Synchronization and cell search methods and apparatus for wireless communications
19196480530Processing for improved performance and reduced pilot
19206480529Programmable matched filter searcher for multiple pilot searching
19216480527CDMA demodulating method and demodulator
19226480526Spread spectrum receive apparatus
19236480523Spectrum spreading communication system using single spreading code
19246480482Multi-user interference cancellor with small sized circuits and little quantity of calculation
19256480479CDMA cellular radio transmission system
19266477162Dynamically adjusting integration interval based on a signal strength
19276477161Downlink beamforming approach for frequency division duplex cellular systems
19286476758Flexible digital ranging system and method
19296476719Ultra-sensitive magnetic field receiver capable of operating in high noise environments
19306473454Rake combiner apparatus using charge transfer element
19316473453High data rate multiplexed multichannel high frequency broadcast system
19326473451Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system
19336473450Adaptive reference pattern for spread spectrum detection
19346473449High-data-rate wireless local-area network
19356473417Method and apparatus for interference cancellation for a high data rate user in a CDMA system
19366473416Transmission apparatus for CDMA communication system
19376473415Interference canceling method and apparatus of a multi-mode subtraction type in asynchronous multipath channels of code division multiple access system
19386470055Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
19396470044Computationally parsimonious forward link receiver for DS-CDMA systems and method for same
19406470000Shared correlator system and method for direct-sequence CDMA demodulation
19416466612Multipath processing for GPS receivers
19426466611Multi-user detection using a finite-impulse-response matrix filter
19436466610Spread-spectrum, space diversity and coding antenna system and method
19446466607Hybrid spread spectrum method and system for wirelessly transmitting and receiving wideband digital data
19456466606Method and apparatus for performing search acquisition in a multi-carrier communication system
19466466566Low complexity adaptive interference mitigating CDMA detector
19476466561Method and apparatus for estimating power in CDMA system
19486466558Selection mechanism for signal combining methods
19496466166Multi-beam receiving apparatus
19506466161Location services system that reduces auto-correlation or cross-correlation in weak signals
19516463294Reducing interference in a mobile communications system
19526463097Rate detection in direct sequence code division multiple access systems
19536463091Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is present
19546463089Hybrid spread spectrum method and system for wirelessly transmitting and receiving wideband digital data
19556463048Code generator for multiple rake finger and method of use
19566463043Carrier phase recovery of multi-rate signals
19576459883Generic finger architecture for spread spectrum applications
19586459723Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power
19596459721Spread spectrum receiving apparatus
19606459694Method of increasing the capacity of a CDMA network, and associated units
19616456648Code tracking loop with automatic power normalization
19626456646Methods and systems for detecting codewords with intersymbol interference and imperfect timing
19636456644Bandpass correlation of a spread spectrum signal
19646456612Device and method for generating short PN code in a mobile communication system
19656456609Code division multiple access mobile communication system
19666456608Adaptive vector correlator using weighting signals for spread-spectrum communications
19676455979Surface acoustic wave component which can be interrogated by radio and has an optimum code size
19686452961Massively paralleled sequential test algorithm
19696452959Method of and apparatus for generating data sequences for use in communications
19706452917Channel estimation in a CDMA wireless communication system
19716452916Space-time spreading method of CDMA wireless communication
19726449303System and method for peak power reduction in multiple carrier communications systems
19736449302System and method for peak power reduction in spread spectrum communications systems
19746449266Data transmission method, transmitter, and receiver
19756448926Multi-band, multi-function integrated transceiver
19766445756Peak detecting circuit for detecting a peak of a time discrete signal by an approximate function
19776445729Radio signal transceiver apparatus
19786445727Method and apparatus for quick acquisition of pilot signals using bank switching method
19796445726Direct conversion radio receiver using combined down-converting and energy spreading mixing signal
19806445725Spread spectrum communication apparatus
19816445714Code generator for multiple correlators
19826445692Blind adaptive algorithms for optimal minimum variance CDMA receivers
19836442193Combining sub-chip resolution samples in arms of a spread-spectrum rake receiver
19846442192CDMA type multiple transmission apparatus and CDMA type multiple transmission method
19856442191Technique to extend the jamming margin of a DSSS communication system
19866442190Method and system for self-encoding a sequential string of data symbols for transmission via communication systems
19876442154Method and apparatus for successive cancellation using multiple signal timings
19886438157Spread spectrum receiver
19896438155Decoding chip streams
19906438118Code-multiplexing communication apparatus
19916438112Device and method for coding information and device and method for decoding coded information
19926437733Method of processing multipath navigation signals in a receiver having a plurality of antennas
19936434185Correlation system for use in wireless direct sequence spread spectrum systems
19946434163Transverse correlator structure for a rake receiver
19956434131CDMA method with increased capacity
19966434111Soft decision rule for demodulation of bi-orthogonal signals
19976430216Rake receiver for spread spectrum signal demodulation
19986430214Fading resistant multi-level QAM receiver
19996430213Coherent adaptive subcarrier modulation method
20006430212Spread-spectrum GMSK/M-ary radio
20016430208Ultrawide-band communication system and method
20026430200Apparatus and method for generating a pilot signal in order to perform a hard hand-off
20036430171Receiver apparatus for a random access channel of a CDMA mobile communication system
20046430170Method and apparatus for generating random numbers from a communication signal
20056430169Spectral shaping a CDMA signal
20066430166Receiver and method for CDMA transmission with enhanced path searcher
20076426983Method and apparatus of using a bank of filters for excision of narrow band interference signal from CDMA signal
20086426982Low complexity multiple bits matched filter
20096426973Differential minimum mean squared error communication signal compensation method
20106426949Signal reception apparatus for DS-CDMA communication system
20116426939Method for preventing a collision of an extended orthogonal code
20126425082Watermark applied to one-dimensional data
20136424641Searcher architecture for CDMA systems
20146421609GPS receiver with cross-track hold
20156421373Spread spectrum wireless communications device
20166421371Modulation sequence synchronization methods and apparatus employing partial sequence correlation
20176421369Receiving method and receiver for spread spectrum signal
20186421367Two-phase/four-phase modulated comb-shaped spread spectrum communication system
20196421334Technique for time alignment of uplink CDMA signals
20206421330Apparatus and method for expanding service area of CDMA mobile communication system
20216418148Burst-level resource allocation in cellular systems
20226418134Finite impulse response filter for multi-code CDMA signals
20236414988Amplitude and phase estimation method in a wireless communication system
20246414987Code multipath estimation for weighted or modified tracking
20256414985Method for determining reference phase in radio communication system which uses orthogonal M-ary modulation, and coherent detection method using the same
20266414984Method for controlling a receiver, and a receiver
20276414951Method for detecting short codes in CDMA systems
20286414949CDMA receiver with parallel interference suppression and with weighting
20296411646Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone
20306411610Correlation for synchronizing to long number sequences in communications systems
20316411186Delay estimation method and a receiver
20326408018Complex matched filter with reduced power consumption
20336408016Adaptive weight update method and system for a discrete multitone spread spectrum communications system
20346407990Method of transmission of image by CDMA system
20356407989Spread spectrum microwave overlay with notch filter
20366405272System and method for arbitration of a plurality of processing modules
20376404828Multichannel decoder
20386404826Iterative signal-to-interference ratio estimation for WCDMA
20396404808Period determination of sampled pseudo-random binary sequence generated signals
20406404803PN code acquisition with adaptive antenna array and adaptive threshold for CDMA wireless communications
20416404760CDMA multiple access interference cancellation using signal estimation
20426404759CDMA multi-user receiving apparatus including interference canceller with optimal receiving state
20436404758System and method for achieving slot synchronization in a wideband CDMA system in the presence of large initial frequency errors
20446404757Reception method and apparatus in CDMA system
20456400756Phased array spread spectrum receiver
20466400754Spread spectrum localizers
20476400753Pseudo-noise correlator for a GPS spread spectrum receiver
20486400731Variable rate communication system, and transmission device and reception device applied thereto
20496400703Device and method for generating and distributing coded symbols in a CDMA communication system
20506400700CDMA cellular radio transmission system
20516396870Matched filter simultaneously operating for two different type codes
20526396869Modulation apparatus and method using zero-crossing detection
20536396868Spread spectrum signal generating device and method in transmitter of mobile communications system
20546396826Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
20556396824CDMA communications and geolocation system and method
20566396817Signal splitting method for limiting peak power in a CDMA system
20576393077Correction detecting device and its method
20586393049Two-stage synchronization of spread-spectrum signals
20596393048Method for the transferring a digital data signal using spread spectrum
20606393046Spread spectrum receiver with multi-bit correlator
20616393030Method for maximizing cellular capacity in muti-media CDMA system
20626393010Time offset technique for increasing the capacity of a CDMA system
20636393006Channel scanning method for portable terminal devices
20646389438Matched filter and signal reception apparatus
20656389138Method and apparatus for generating a complex scrambling code sequence
20666389060CDMA receiver
20676389059Multi-band, multi-mode spread-spectrum communication system
20686389058Apparatus and method for performing fast acquisition of PN sequences by transferring distributed samples
20696389003Method for decreasing false positives in frame synchronization of code division multiple access
20706389002Broadband CDMA overlay system and method
20716385268Spread spectrum localizers
20726385264Method and apparatus for mitigating interference between base stations in a wideband CDMA system
20736385259Composite code match filters
20746385232Synchronization detection device and its method
20756385187Device and method for generating spread spectrum signal using pseudo-orthogonal code in CDMA mobile communications system
20766385185Methods and apparatus for coherent detection of signals with orthogonal data modulation
20776385181Array antenna system of wireless base station
20786385180High-speed cell search system for CDMA
20796384780Extension of dynamic range of emitter and detector circuits of spread spectrum-based antenna test range
20806381264Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
20816381229Random access in a mobile telecommunications system
20826377615Apparatus and methods for receiving information using variable length accumulation searchers
20836377614Spreading code synchronization circuit and method
20846377613Communication apparatus for code division multiple accessing mobile communications system
20856377610Decoding method and decoding device for a CDMA transmission system for demodulating a received signal available in serial code concatenation
20866377606Method for reducing interference, and a radio system
20876377585Precision reference generation system and method
20886377557Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
20896377555Method for determining forward link channel powers for a CDMA cellular or PCS system
20906373882Motion estimator for a CDMA mobile station
20916373881CDMA receiver using sampled chip sequence for precision synchronization with received data sequence
20926373880Frequency modulation circuit
20936373879Device and method for generating spread spectrum signals
20946373877User equipment for use in a CDMA communication system using an antenna array
20956373862Channel-aided, decision-directed delay-locked loop
20966373830CDMA communication system which selectively allocates bandwidth upon demand
20976373829Method and apparatus for group calls in a wireless CDMA communication system using outbound traffic channels for individual group members
20986370397Search window delay tracking in code division multiple access communication systems
20996370208Correlator for CDMA applications
21006370207Method for mitigating multipath effects in radio systems
21016370184Correlator receiver
21026370183Predictive rake receiver for CDMA mobile radio systems
21036370134CDMA radio communication apparatus
21046370133CDMA receiver and method of operation
21056370130Spread spectrum communication system
21066370129High-speed data services using multiple transmit antennas
21076369752Direct acquistion of very large PN sequences in GPS systems
21086366938Reduced power matched filter using precomputation
21096366626Sub-symbol matched filter-based frequency error processing for spread spectrum communication systems
21106366619Constrained-envelope transmitter and method therefor
21116366607Processing for improved performance and reduced pilot
21126366605Spread-spectrum data detection using matched-filter obtained side information
21136366604Compensation for phase errors caused by clock jitter in a CDMA communication system
21146366603Spread spectrum communication system
21156366601Variable rate spread spectrum communication method and apparatus
21166366600Spreader architecture for direct sequence spread spectrum communications
21176366599Fast acquisition of spread-spectrum signals by dynamically varying spacing of search bins
21186366570Processing CDMA signals
21196366566Efficient communication system using time division multiplexing and timing adjustment control
21206366244Planar dual band microstrip or slotted waveguide array antenna for all weather applications
21216363262Communication device having a wideband receiver and operating method therefor
21226363108Programmable matched filter searcher
21236363107Preamble code structure and detection method and apparatus
21246363106Method and apparatus for despreading OQPSK spread signals
21256363105Flexible sliding correlator for direct sequence spread spectrum systems
21266363104Method and apparatus for interference cancellation in a rake receiver
21276363102Method and apparatus for frequency offset correction
21286363101Receiver for receiving a spectrum dispersion signal
21296363060Method and apparatus for fast WCDMA acquisition
21306363049Adaptive acquisition system for CDMA and spread spectrum systems compensating for frequency offset and noise
21316362782Multipath propagation detection and avoidance method and system
21326359905Method and apparatus of detecting spectrum spread signal
21336359875CDMA receiving apparatus
21346359864FDD/CDMA transmission/reception system
21356356607Preamble code structure and detection method and apparatus
21366356601Method and apparatus for detecting zero rate frames in a communications system
21376356555Apparatus and method for digital data transmission using orthogonal codes
21386356542Reception path search method and searcher circuit of CDMA reception device
21396356528Interleaver and deinterleaver for use in a diversity transmission communication system
21406353643Smart antenna receiver using pilot signal in CDMA mobile communication system and signal receiving method therefor
21416353627High data rate spread-spectrum system and method
21426353603Terminal control device and method for soft-handoff between terminals having different frequencies
21436351504Reception circuit
21446351486Accelerated selection of a base station in a wireless communication system
21456351462CDMA receiving apparatus and method therefor
21466349110Subsystem and method for combining spread-spectrum multipath signals
21476349109Direct sequence spread spectrum differential receiver with mixed interference signal formation means
21486347236Remote wireless unit having reduced power operating mode for a discrete multitone spread spectrum communications system
21496347115Method and system for predictive coding of images treated with the Roberts Method
21506347113Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error
21516347112Circuit for direct sequence spread spectrum digital transmissions with generation of an interference signal
21526347111Noise shaping technique for spread spectrum communications
21536345078Finger assignment system for a multiple finger receiver and method thereof
21546345077Correlation detecting method and matched filter unit
21556345069Simplified cell search scheme for first and second stage
21566345067Clock regenerating circuit in direct spread spectrum communication system
21576345066Reduction of access time delay in frequency-hopping radio systems using a direct sequence mode
21586345046Receiver and demodulator applied to mobile telecommunications system
21596345045Synchronous capture circuit for code division multiple access communication
21606343095Radio receiver using level-variable reference signal for discriminative detection of data signal and signal discrimination method
21616343094Spread spectrum signal receiving method and apparatus for CDMA cellular communication
21626341140Code synchronization apparatus of multi-carrier direct sequence spread spectrum communication system
21636339781M-sequence generator and PN code generator with mask table for obtaining arbitrary phase shift
21646339612Method and apparatus for joint detection of data in a direct sequence spread spectrum communications system
21656337876Control of power ratios for in-phase and quadrature channels in a communications system
21666335947Process for the processing of an information transmission signal by spread spectrum and the corresponding receiver
21676335924Spread spectrum communication system and transmission power control method therefor

2001

21686333947Interference cancellation system and method and CDMA receiver including an interference cancellation circuit
21696333934CDMA receiving apparatus
21706333926Multiple user CDMA basestation modem
21716333925Code division multiplex communications system
21726332008Synchronizer and method therefor and communications system incorporating same
21736331998Partially matched filter for spread spectrum communication
21746331997Scheme for spread spectrum multiple access coding
21756331974Chaotic digital code-division multiple access (CDMA) communication systems
21766330292Reduced power matched filter
21776330291Frequency tracking for communication signals using M-ary orthogonal walsh modulation
21786330274Spread-spectrum continous-time analog correlator and method therefor
21796330273Apparatus for code tracking in a direct sequence spread spectrum receiver
21806330272Receiving a spread spectrum data signal using determined weights
21816330271CDMA receiver that shares a tracking device among multiple rake branches
21826327298Post-correlation temporal nulling
21836327257Code division multiple access transmitter and receiver
21846324210Sliding matched filter with flexible hardware complexity
21856324209Multi-channel spread spectrum system
21866324208Apparatus and method of controlling transmitting power in a subscriber of a wireless telecommunications system
21876324207Handoff with closed-loop power control
21886324206Method and apparatus for spreading and despreading data in a spread spectrum communication system
21896324205Scalable method for generating long codes using gold sequences
21906324160Adaptive receiver for CDMA base stations
21916320899Two-dimensional demodulator in spread spectrum code division multiple access system with antenna array
21926320898CDMA pseudo-smart antenna selection
21936320897Multicode spread spectrum communications system
21946320896RF receiver having frequency-hopping/direct-sequence spread spectrum signal discrimination
21956320853Method of phase recovery in cellular communication systems
21966320849Dynamic control of search duration in a wireless communication device
21976320842Spread spectrum communication apparatus
21986317454Rake receiver, and mobile unit and base station for portable telephone system and using the same
21996317452Method and apparatus for wireless spread spectrum communication with preamble sounding gap
22006317422Methods and apparatus of N-chip resistant spreading in CDMA systems
22016317413Method and apparatus for assigning variable length walsh codes in a spread spectrum system
22026317412Increased capacity in an OCDMA system for frequency isolation
22036314130System and method for joint time tracking of multiple paths
22046314129Circuit and method for timing recovery in digital communication receiver
22056314128Spread spectrum synchronized receiver and synchronizing methods
22066314127System and method for enhancing signal reception
22076314126Spread-spectrum handoff and source congestion avoidance system and method
22086313789Joint tracking of the carrier phases of the signals received from different satellites
22096313782Coded phase modulation communications system
22106310890System for processing, converting and distributing a message in a fixed subscriber unit in a broad band code division multiple access wireless local loop
22116310871Methods for grouping and ungrouping sectors of a cell in a cellular communication system
22126310869Method and apparatus for reducing amplitude variations and interference in communication signals, such as in wireless communication signals employing inserted pilot symbols
22136310856CDMA communications system having a searcher receiver and method therefor
22146307878Cellular telephony searcher
22156307877Programmable modem apparatus for transmitting and receiving digital data, design method and use method for the modem
22166307868Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
22176307850CDMA radio transmission system
22186307840Mobile station assisted timing synchronization in CDMA communication system
22196304750Space-time diversity receiver for wireless systems
22206304624Coherent detecting method using a pilot symbol and a tentatively determined data symbol, a mobile communication receiver and an interference removing apparatus using the coherent detecting method
22216304592Coherent detection using matched filter enhanced spread spectrum demodulation
22226304591Match filter architecture based upon parallel I/O
22236304561Method and apparatus for regulation of the effective noise figure in a CDMA receiver
22246301470Radio communications receiver and method of recovering data from radio signals
22256301311Non-coherent, non-data-aided pseudo-noise synchronization and carrier synchronization for QPSK or OQPSK modulated CDMA system
22266301294Spread spectrum communication device
22276301293Detectors for CDMA systems
22286301292Despreading circuit
22296301290Adaptive reference pattern for spread spectrum detection
22306301288Method of chip interleaving in direct sequence spread spectrum communications
22316301287Method and apparatus for signal quality estimation in a direct sequence spread spectrum communication system
22326300899Fixed site data-aided GPS signal acquisition method and system
22336298083Power savings technique for a positioning system receiver
22346298082Method and system for combining orthogonal transmit diversity and adaptive array techniques in a wireless communications system
22356298050System and method for cancelling the extra interference created during position location in a CDMA cellular system
22366295311Method and apparatus for compensating for phase differences in received signals
22376295273Phase modulation multiplexing transmission unit and phase modulation multiplexing method
22386292749GPS receiver with cross-track hold
22396292477Code division multiple access mobile communication system
22406289067Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock
22416289061Wideband frequency tracking system and method
22426289041Fast Acquisition, high sensitivity GPS receiver
22436289039Spread-spectrum communications utilizing variable throughput reduction
22446289036Spread spectrum communication apparatus and method
22456285876Test unit with programmable transmit timing for telecommunication systems
22466285861Receiving station with interference signal suppression
22476285669CDMA direct spread overlay system and method of operation
22486285655Method and apparatus for providing orthogonal spot beams, sectors, and picocells
22496285261Digital clock recovery loop
22506282234Spread spectrum receiver
22516282233Multi-user receiving apparatus and CDMA communication system
22526282232Methods and apparatus for burst-mode CDMA DSSS communications receiving systems
22536282231Strong signal cancellation to enhance processing of weak spread spectrum signal
22546282230Block pseudo-noise generating circuit
22556282229Method and apparatus for receiving spread spectrum signal
22566282228Spread spectrum codes for use in communication
22576278745Receiver having a memory based search for fast acquisition of a spread spectrum signal
22586278727CDMA synchronous acquisition circuit
22596278726Interference cancellation in a spread spectrum communication system
22606278725Automatic frequency control loop multipath combiner for a rake receiver
22616278724Receiver in a spread spectrum communication system having low power analog multipliers and adders
22626278715System and method for reducing deinterleaver memory requirements through chunk allocation
22636278702Method for limiting the dynamic range of a CDMA signal
22646278701Capacity enhancement for multi-code CDMA with integrated services through quality of services and admission control
22656275545Matched filter and method of synchronizing operation timing of receiver with phase of desired wave signal
22666275521Demodulating apparatus and demodulating method
22676275520Pseudo-noise generating apparatus
22686275509Masked signal transceiver
22696275484Methods and apparatus for increasing the uplink gain for a CDMA base station
22706275483Fast and accurate identification of spread spectrum signals
22716272189Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present
22726272168Code sequence generator in a CDMA modem
22736272167Spread spectrum communication system
22746272166Reduced gain spread spectrum communication system and method
22756272124Complemental service providing device and method in communication system
22766272123Variable rate CDMA transmitter-receiver and transmission method
22776272121Spread spectrum communication system using DECT protocol
22786269126Data communication and radio system
22796269113Modulated signal generator for W-CDMA channel in a wireless local loop system
22806269089Asymmetrical encoding/decoding method and apparatus for communication networks
22816269075Finger assignment in a CDMA rake receiver
22826266365CDMA receiver
22836266364Data processor for generating spread codes
22846266361Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system
22856266331Device for generating multiple spreading sequences in reverse high speed data channels
22866266320Amplitude limitation in CDMA system
22876265807Spread spectrum communication apparatus, and demodulator, surface acoustic wave element and surface acoustic wave parts for spread spectrum communication
22886263012Receiver apparatus for CDMA communication system
22896263011Receiver for spread spectrum communication system capable of shortening acquisition time
22906263010Spread spectrum communication apparatus
22916263009Acquiring a spread spectrum signal
22926259725Spread-spectrum acquisition using counters
22936259724Random access in a mobile telecommunications system
22946259723Data communication system
22956259721Radio communication equipment using algorithm diversity
22966259688Spread spectrum CDMA subtractive interference canceler system
22976259402GPS receiver suspending correlation value calculation process for time period corresponding to condition of received signal
22986256341Spread spectrum receiver using digital matched filter
22996256340Phased array spread spectrum system and method5
23006256339Multichannel viterbi decoder
23016256338Method for determining fading correction factor in a communication system
23026256336Method and apparatus for detecting items of information transmitted according to the DS-CDMA principle in a receiver apparatus
23036252918Method and apparatus for digital symbol detection using medium response estimates
23046252899Complex despreading system
23056252898Spread spectrum communication method and system wherein data rate of data to be transmitted is changed in accordance with transmission quality
23066252866Virtual locating of a fixed subscriber unit to reduce re-acquisition time
23076252863Multipath compensation for pseudorange signals
23086249682Apparatus and method for estimating speed in mobile communication
23096249542Multipath processing for GPS receivers
23106249541Apparatus for removing shared waves
23116249539System and method for narrowing the range of frequency uncertainty of a doppler shifted signal
23126249517Apparatus for supporting a variety of transmission rates in spread spectrum CDMA system
23136249251Hardware-efficient demodulator for CDMA adaptive antenna array systems
23146246715Data transmitter and receiver of a DS-CDMA communication system
23156246714Synchronization circuit with correlated signal in the direct spread spectrum telecommunication system
23166246697Method and system for generating a complex pseudonoise sequence for processing a code division multiple access signal
23176246676Method and apparatus for implementing PN masks for a truncated M-sequence
23186243561Offline page monitoring
23196243410Demodulator having an infinite-duration impulse response filter with dynamic coeffiecient scaling
23206243370Personal communication network unit for use in a spread spectrum communication system overlaying a microwave system
23216240148Path-diversity receiving method and system of spread spectrum communication
23226240122Receiving apparatus of code spread communication type
23236240099Multi-user code division multiple access receiver
23246240082Router for daisy-chained components
23256240081Multicode CDMA transmitter with improved signal processing
23266239743Integrated split spectrum positioning system receiver
23276237013Method and device for correlating detection, and communication terminal device
23286236937GPS receiver with cross-track hold
23296236864CDMA transmit peak power reduction
23306236673Receiver for receiving signals of a statellite nagivation system
23316236648CDMA receiver
23326233273Rake receiver with embedded decision feedback equalizer
23336233272Spread spectrum communication receiver
23346233271Method and apparatus for decoding trellis coded direct sequence spread spectrum communication signals
23356233247Method and system for avoiding communication failure in CDMA systems
23366233230Neural network IS-95 rate determination
23376232927Array antenna apparatus for use in spread spectrum communications with a particular interval between antenna elements
23386229998Method and system for detecting in-band jammers in a spread spectrum wireless base station
23396229844Device and method for locating a mobile station in a mobile communication system
23406229843Pilot adaptive vector correlator
23416229842Adaptive path selection threshold setting for DS-CDMA receivers
23426229841Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal
23436229839Method and apparatus for time tracking
23446229798Receiving unit, receiving method and terminal unit for use with radio system
23456229797Circuit for eliminating external interference signals in code division multiple access mobile phone
23466226320Method and equipment for multirate coding and detection in a multiple access mobile communication system
23476226319Spread spectrum demodulation circuit, spread spectrum communication apparatus, delay-detection-type demodulation circuit, and delay-detection-type communication apparatus
23486226317Method and system for aiding in the location of a subscriber unit in a spread spectrum communication system
23496226316Spread spectrum adaptive power control communications system and method
23506226315Spread-spectrum telephony with accelerated code acquisition
23516226282Method of searching reverse traffic channels in a CDMA mobile radio communication system
23526222875Low-delay rate detection for variable rate communication systems
23536222874Frequency acquisition method for direct sequence spread spectrum systems
23546222834Spread spectrum communication receiver
23556222833Device and method for multiuser detection in DS-CDMA system
23566222828Orthogonal code division multiple access waveform format for use in satellite based cellular telecommunications
23576222498CDMA multiuser receiver featuring a combination of array antenna and multiuser cancelers
23586222300Communication system using a surface acoustic wave-matched filter
23596219391Wireless communication apparatus and wireless communication method
23606219374Structure of a coherent dual channel QPSK transceiver using pilot symbols in a code division multiple access system
23616219356Method for multipath resistant waveform coding for high speed wireless data transmission
23626219344Pilot aided traffic channel estimation for CDMA cellular systems
23636219343Rate control techniques for efficient high speed data services
23646219341Method for bandwidth efficient multiple access wireless communication
23656218931Home-appliance network with nodes identified by direct-sequence spreading codes
23666216019Remote wireless unit having reduced power operating mode
23676215814RAKE receiver
23686215813Method and apparatus for encoding trellis coded direct sequence spread spectrum communication signals
23696215812Interference canceller for the protection of direct-sequence spread-spectrum communications from high-power narrowband interference
23706215811Store and dump, spread-spectrum handoff
23716215778Bearer channel modification system for a code division multiple access (CDMA) communication system
23726215762Communication system and method with orthogonal block encoding
23736212243Channel estimation performed at varying time intervals
23746212223Demodulation and correlation for spread spectrum communications
23756212222Initial acquisition circuit
23766212174Capacity management method for a code division multiple access (CDM) communication system
23776208699Method and apparatus for detecting zero rate frames in a communications system
23786208684Cyclic adaptive receivers for DS-CDMA signals
23796208683Receiving apparatus for use in CDMA type mobile radio communication system comprising a plurality of path receivers each including a follow-up path detection unit
23806208632System and method for CDMA channel estimation
23816208291Highly parallel GPS correlator system and method
23826205169Spread spectrum pulse position modulation communication system
23836205168Sequential detection system and method with adaptive bias
23846205167Apparatus and method for code tracking in an IS-95 spread spectrum communications system
23856205166CDMA receiver with antenna array adaptively controlled with combined errors of despread multipath components
23866205132Method for accessing a cell using two pilot channels in a CDMA communication system of an asynchronous or quasi-synchronous mode
23876205131Broadband implementation of supplemental code channel carrier phase offsets
23886201828Fine estimation of multipath delays in spread-spectrum signals
23896201827System and method for probability based lock detection
23906201800Code division multiplex communications system
23916201799Partial decorrelation for a coherent multicode code division multiple access receiver
23926198777Feher keying (KF) modualtion and transceivers including clock shaping processors
23936198765Spread spectrum receiver with multi-path correction
23946198764Method for the transfer of a digital data signal from a transmitter to a receiver
23956198733Forward-link sync-channel interleaving/de-interleaving for communication systems based on closed-form expressions
23966198731Radiocommunication apparatus, and radiocommunication system
23976198719Bi-orthogonal code division multiple access system
23986195328Block adjustment of synchronizing signal for phase-coded signal tracking
23996192068Multicode spread spectrum communications system
24006192067Multistage interference canceller
24016192066Spread spectrum communication apparatus and rake receiver
24026192042Device and method for multiuser detection is DS-CDMA system
24036192040Method and apparatus for producing channel estimate of a communication channel in a CDMA communication system
24046191738Method and apparatus for locating a remote unit within a communication system
24056188718Methods and apparatus for reducing cochannel interference in a mixed-rate communication system
24066188716Radio and communication method using a transmitted intermediate frequency
24076188714Parallel M-sequence generator circuit
24086188682Method and apparatus for receiving CDMA radio communication
24096188679CDMA chip synchronization circuit
24106185246System and method for orthogonal spread spectrum sequence generation in variable data rate systems
24116185245Synchronization acquisition apparatus and method thereof
24126185244Cell searching in a CDMA communications system
24136185197Control message transmission in telecommunications systems
24146184826Extension of dynamic range of emitter and detector circuits of spread spectrum-based antenna test range
24156181949Method of controlling initial power ramp-up in CDMA systems by using short codes
24166181738Reverse link power control using a frame quality metric
24176181733Digital matched filter
24186181732Receiving apparatus for spectrum spreading and receiving method
24196181729Spread spectrum communication
24206178197Frequency discrimination in a spread spectrum signal processing system
24216178196Combined interference cancellation and maximum likelihood decoding of space-time block codes
24226178193Spread spectrum receiver and transmission power control method
24236175725Complete radio navigation receiver, particularly of the GPS type
24246175588Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
24256175587Communication device and method for interference suppression in a DS-CDMA system
24266175561Method and apparatus for acquiring a pilot signal in a CDMA receiver
24276175560Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
24286175558CDMA radio multiplex transmitting device and a CDMA radio multiplex receiving device
24296175551Transmission system and method employing peak cancellation to reduce the peak-to-average power ratio
24306173009State calculation circuit for discrete linear state space model
24316173008Rake receiver for reducing hardware consumption and improving search performance
24326173006Direct sequence CDMA device and method for using the same
24336172994Method and apparatus for creating a composite waveform
24346172969CDMA receiver employing successive cancellation of training-signal interference
24356169887Range extension within a communication system
24366169771Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filter
24376169731Method and apparatus for signal acquisition and power control

2000

24386167056Access channel slot sharing
24396167037Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system
24406163581Low-power state-sequential viterbi decoder for CDMA digital cellular applications
24416163567Method and apparatus for code synchronization in a global positioning system receiver
24426163566Spread spectrum transmitter, spread spectrum receiver, and spread spectrum communications system
24436163563Digital communication system for high-speed complex correlation
24446163548Code synchronization unit and method
24456160841Mitigation of multipath effects in global positioning system receivers
24466160839Adaptive weight update method for a discrete multitone spread spectrum communications system
24476160838Spread spectrum transmitter, spread spectrum receiver and spread spectrum communication method and automatic gain control circuit for spread spectrum receiver
24486160803High processing gain spread spectrum TDMA system and method
24496157820Pilot strength measurement and multipath delay searcher for CDMA receiver
24506157687Rake receiving system with fingers selectively participating rake synthesis
24516157685Interference canceller equipment and interference cancelling method for use in a multibeam-antenna communication system
24526157684One bit matched filter with low complexity and high speed
24536157631Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications system
24546157628Retransmission control method of CDMA mobile communication
24556157619Code division multiple access (CDMA) communication system
24566154487Spread-spectrum signal receiving method and spread-spectrum signal receiving apparatus
24576154486Preamble code structure and detection method and apparatus
24586154485Receiver in a wireless communications system for receiving signals having combined orthogonal transmit diversity and adaptive array techniques
24596154483Coherent detection using matched filter enhanced spread spectrum demodulation
24606154482Spread spectrum communications system and receiver
24616154456Apparatus and method for digital data transmission using orthogonal codes
24626154454Radio communication device and mobile communication system
24636154443FFT-based CDMA RAKE receiver system and method
24646151481Combiner with phase and delay correction
24656151353Pre-acquisition frequency offset removal in a GPS receiver
24666151313Baseband phase estimation technique for demodulation of overlapping packets
24676151311Mobile station assisted timing synchronization in a CDMA communication system
24686148042Coherent signal processing for CDMA communication system
24696148023Self-synchronizing equalization techniques and systems
24706148022NRZ and biphase-L formatted quadriphase modulated GPS transmission method
24716148021Noise shaping technique for spread spectrum communications
24726147982System and method for synchronizing acquisition for a code modulated communication system
24736147964Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
24746144694Transmitting apparatus for code division multiplexed signals
24756144691Method and apparatus for synchronizing to a direct sequence spread spectrum signal
24766144650Mobile communication system
24776144649Method and apparatus for acquiring a pilot signal in a CDMA receiver
24786141669Pseudorandom binary sequence block shifter
24796141374Method and apparatus for generating multiple matched-filter PN vectors in a CDMA demodulator
24806141373Preamble code structure and detection method and apparatus
24816141372Digital downconverter/despreader for direct sequence spread spectrum CDMA communications system
24826141371Jamming suppression of spread spectrum antenna/receiver systems
24836141353Subsequent frame variable data rate indication method for various variable data rate systems
24846141337Spread spectrum communication system
24856141334Receiver for pilot-aided code-division multiple access
24866141332Orthogonal code synchronization system and method for spread spectrum CDMA communications
24876137826Dual-mode modulation systems and methods including oversampling of narrow bandwidth signals
24886137825Communication system, transmitter and receiver
24896137824Method for estimating signal and noise quality, and a receiver
24906137788CDMA demodulating apparatus
24916137786CDMA communication system and method
24926137773Method and apparatus for CDMA code domain parameter estimation
24936137433Scatterometer with adaptable spatial resolution
24946134278Methods and apparatus for CDMA rate detection
24956134264Spread spectrum communication device and communication system
24966134263Method for using spreading code sequency to achieve high bit densities in a direct-sequence spread spectrum communication system
24976134262Spread spectrum receiving apparatus
24986134260Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers
24996132306Cellular communication system with dedicated repeater channels
25006130923Lock detection for multipath wireless receiver
25016130908Code multipath analyzer using weighted or modified correlations
25026130907Interference detection for spread spectrum systems
25036130906Parallel code matched filter
25046130884Variable rate CDMA spread circuit
25056128512Cellular communication system with dedicated repeater channels
25066128337Multipath signal discrimination
25076128332Spread spectrum transmitter and receiver employing composite spreading codes
25086128331Correlation system for use in wireless direct sequence spread spectrum systems
25096128330Efficient shadow reduction antenna system for spread spectrum
25106128329Spread-spectrum receiver
25116128288CDMA cellular radio transmission system
25126125325GPS receiver with cross-track hold
25136125137Apparatus and method for performing a signal search in a coherent wireless communication system
25146125136Method and apparatus for demodulating trellis coded direct sequence spread spectrum communication signals
25156125135System and method for demodulating global positioning system signals
25166122311Demodulating method and apparatus, receiving method and apparatus and communication apparatus
25176122310Method and apparatus for facilitating multi-rate data transmission by selecting a plurality of spreading codes
25186122261Hitless ultra small aperture terminal satellite communication network
25196118808GPS receiver with efficient signal acquisition
25206118807Methodology for received signal enhancement utilizing delay diversity processing
25216118806Signal synthesis method and apparatus under diversity reception
25226118774Information signal communicating apparatus method and system
25236118767Interference control for CDMA networks using a plurality of narrow antenna beams and an estimation of the number of users/remote signals present
25246115409Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers
25256115406Transmission using an antenna array in a CDMA communication system
25266115368Spread spectrum microwave overlay with notch filter
25276111911Direct sequence frequency ambiguity resolving receiver
25286111869Method of mobile communication and apparatus therefor
25296111868Parallel acquisition system using reference matched filter
25306108536System and method for displaying performance characteristics of a cell site modem
25316108370Receiving apparatus, receiving method, and terminal unit for use with radio system
25326108368Adaptive reference pattern for spread spectrum detection claims
25336108367Low power two-way wireless communication system for electronic shelf labels
25346108327Orthogonal spread spectrum system
25356108324Apparatus and method for performing a signal search in a wireless communication system
25366108049Circuitry operative on symbol decoding results for synchronizing data fields in a digital television receiver
25376104983Method and apparatus for measuring waveform quality of CDMA signal
25386104761Constrained-envelope digital-communications transmission system and method therefor
25396104748Spread spectrum signal receiving apparatus
25406104747Method for determining optimum number of complex samples for coherent averaging in a communication system
25416104746Spread spectrum communication system
25426104708Wireless data communications system
25436104322Apparatus for acquiring code phase lock in direct sequence spread spectrum systems
25446101228Receiver of wideband digital signal in the presence of a narrow band interfering signal
25456101225Method and apparatus for performing a modulation
25466101173Adaptive reacquisition time in a slotted paging environment
25476100827Modulation systems and methods that compensate for DC offset introduced by the digital-to-analog converter and/or the low pass filter thereof
25486100765Digital clock recovery loop
25496097751Method of, and apparatus for, processing low power pseudo-random code sequence signals
25506097714Code multiplexing transmitting apparatus
25516097711DS-CDMA transmission method
25526094678Remote control of wireless telecommunications systems
25536094451Radio receiver using level-variable reference, signal for discriminative detection of data signal and signal discrimination method
25546094450Spread spectrum chip shift keying modulation/demodulation system and method
25556094449Spread spectrum communication synchronization acquisition decoding apparatus
25566091785Receiver having a memory based search for fast acquisition of a spread spectrum signal
25576091762Method and apparatus for quick acquisition of pilot signals using bank switching method
25586091761Despreading method and arrangement in communication system
25596091759Method and apparatus for spreading and despreading data in a spread-spectrum communication system
25606088409Receiving apparatus for reducing power consumption when the received signal is intermittently received
25616088384If-delay narrow correlation tracking
25626088383Spread-spectrum signal demodulator
25636088382Cell search circuit for CDMA
25646088335Code division multiple access system providing load and interference based demand assignment service to users
25656088325Asymmetrical encoding/decoding method and apparatus for communication networks
25666085114Remote wireless unit having reduced power operating mode
25676085104Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method
25686084929Method and apparatus for channel tracking
25696084919Communication unit having spectral adaptability
25706084918Data transmission method and devices
25716084884CDMA communication method and group spreading modulator
25726084851Demodulating method and apparatus, receiving method and apparatus, and communication apparatus
25736081549Phase correction method and apparatus for spectrum spread wireless communication receiver
25746081548Spread spectrum radio communication apparatus
25756081547CDMA communication system
25766081516Multiuser receiving device for use in a CDMA system
25776081228Receiver phase-noise mitigation
25786078632Minimalized decommunication of serialized telemetry data
25796078611Rake receiver and finger management method for spread spectrum communication
25806078608Spread spectrum communication apparatus, surface acoustic wave device, and surface acoustic wave part
25816075812High-data-rate wireless local-area network
25826075811Receiving apparatus, receiving method, and terminal unit for use with radio system
25836075810NRZ and biphase-L formatted hexaphase modulated GPS transmission method
25846075809Receiving apparatus, receiving method and terminal unit for use with radio system
25856075808Spread spectrum time diversity communications system
25866075807Windowed digital matched filter circuit for power reduction in battery-powered CDMA radios
25876075793High efficiency spread spectrum system and method
25886075792CDMA communication system which selectively allocates bandwidth upon demand
25896075781Flux density reduction in OCDMA satellite communication system
25906072822Terminal unit for use with radio system and searching method
25916072807Searching for signals to assign to the fingers of a rake receiver
25926072802Initial synchronization method in code division multiple access reception system
25936072791CDMA spread spectrum mobile phone
25946072785Differential PSK signalling in CDMA networks
25956069915Randomized code acquisition
25966069912Diversity receiver and its control method
25976069883Code division multiple access system providing enhanced load and interference based demand assignment service to users
25986069574Hadamard code generation circuit
25996067333Adaptive serial and parallel mixed interference cancellation method
26006067314Direct spread spectrum signal receiving apparatus and synchronism acquisition circuit
26016067293Receiver
26026067292Pilot interference cancellation for a coherent wireless code division multiple access receiver
26036067049Reception apparatus
26046064695Spread spectrum communication system utilizing differential code shift keying
26056064691Method and apparatus for acquisition of the strongest pilot signal
26066064690Spread spectrum communication system
26076064689Radio communications receiver and method of receiving radio signals
26086064688CDMA synchronous acquisition circuit
26096064664Base-band interleaver for code division multiple access mobile telecommunication system
26106061574Method and apparatus in a wireless communication system for reducing errors caused by intersymbol interference during a simulcast transmission
26116061388Spread spectrum communication system with frequency-separated message and reference signals
26126061386Method of chip interleaving in direct sequence spread spectrum communications
26136061385Method and a circuit arrangement for signal processing in a telecommunication system
26146061365Control message transmission in telecommunications systems
26156061342Code division multiple access apparatus
26166058139Correlator and synchronous tracking apparatus using time sharing of a received signal in a spread spectrum receiver
26176058138Radio reception system providing improved transmission quality
26186055266Spread spectrum pulse position modulation communication system
26196055265Apparatus for receiving GPS signals by utilizing non-coherent DLL
26206055231Continuously adjusted-bandwidth discrete-time phase-locked loop
26216052713Technique for transmitting/storing multi sub data
26226052566Combined RSSI/SNR-driven intermodulation-mitigation scheme for CDMA terminals
26236052405Spread spectrum receiver for use in communication systems
26246052404Radio communication system employing a spread-spectrum technique
26256052378Base band signal transmitting device in base station of mobile communication system using CDMA
26266052365Multi-channel digital data transmission in a wireless telecommunications system
26276049538Efficient communication system using time division multiplexing and timing adjustment control
26286049537Method and system for controlling speech encoding in a communication system
26296049535Code division multiple access (CDMA) communication system
26306047306CDMA communication RF signal processing apparatus using SAW
26316047200Remote wireless unit having reduced power operating mode
26326047019Receiver for spectrum spread communication system
26336047017Spread spectrum receiver with multi-path cancellation
26346047016Processing a spread spectrum signal in a frequency adjustable system
26356044276Method and apparatus in a messaging system for limiting an interval of carrier cancellation
26366044119Frequency control method and circuit employing both reference symbols and information symbols
26376044106Receiving method and apparatus in which a demodulating status is determined and a noise power is detected
26386044105Doppler corrected spread spectrum matched filter
26396044104Cell search method and mobile station apparatus
26406044074Rapid signal acquisition and synchronization for access transmissions
26416044073Methods of and devices for enhancing communications that use spread spectrum technology by using variable power techniques
26426041280GPS car navigation system
26436041124Radio communication system and method and mobile communication terminal device
26446041081CDMA transmitter having a variable gain circuit inserted between a transmitter mixer and a transmitter antenna
26456041073Multi-clock matched filter for receiving signals with multipath
26466038695Data transmission method and equipment for encoding a signal
26476038271Correlator with cascade data paths to facilitate expansion of correlator length
26486038250Initial synchronization method and receiver for DS-CDMA inter base station asynchronous cellular system
26496038249Spectrum spread transmission method and apparatus
26506035213Dual-mode cellular telephone system
26516034986Method and apparatus for reducing spread spectrum noise
26526032026Signal to interference power ratio measuring apparatus and signal to interference power ratio measuring method as well as transmission power controlling method under CDMA communication system
26536031881Method for mitigating multipath effects in radio ranging systems
26546031865Rapidly decorrelating spreading sequences for DS-CDMA transceivers
26556031862Ultrawide-band communication system and method
26566031415Matched filter circuit for spread spectrum communication
26576028888Single-channel and multi-channel coherent demodulation devices with no pilot signal, and corresponding receiving system using a plurality of diversity paths
26586028887Power efficient receiver
26596028883Low power signal processing for spread spectrum receivers
26606028868Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless communications system
26616028852CDMA cellular radio transmission system
26626026115Rake receiver
26636023489Method and apparatus for code synchronization in a global positioning system receiver
26646021331Control system for a telecommunications system
26656021157Fast phase estimation in digital communication systems
26666021156Apparatus and method for improving signal-to-jamming ratio in a spread spectrum receiver
26676021137Data collection system
26686020672Surface acoustic wave converter with improved frequency characteristics, surface acoustic wave device using such converter, and communication system using such device
26696018704GPS receiver
26706018547Method and apparatus for increasing spectral efficiency of CDMA systems using direct sequence spread spectrum signals
26716018546Technique for soft decision metric generation in a wireless communications system
26726018545Communications device employing spectrum spreading in transmitted bits along a time axis
26736018544Method and apparatus for subscriber power level adjustment in a communication system
26746014408PN code generating circuit and terminal unit
26756014407Method and system for simultaneously broadcasting and receiving digital and analog signals
26766014405Spread spectrum multipath receiver without a tracking loop
26776014404Procedure for the independent reduction of acquisition thresholds and tracking of spread spectrum codes received in orbit
26786014373Spread spectrum CDMA subtractive interference canceler system
26796011812Receiving method and receiver
26806011789Broadband CDMA overlay system and method

1999

26816009129Device and method for detection and reduction of intermodulation distortion
26826009118Parallel correlator for a spread spectrum receiver
26836009117Spread spectrum communication system
26846009090Code multiplexing wireless apparatus
26856009089Pilot interference cancellation for a coherent wireless code division multiple access receiver
26866009074CDMA modulation and demodulation method reducing interference and a communication system using the same
26876005903Digital correlator
26886005898Multichannel viterbi decoder
26896005889Pseudo-random noise detector for signals having a carrier frequency offset
26906005887Despreading of direct sequence spread spectrum communications signals
26916005886Synchronization-free spread-spectrum demodulator
26926005885Methodology for discontinuous radio reception utilizing embedded frame length words
26936005883Direct sequence network and method using PN sequence selection to represent data
26946002711Spread spectrum communication system for error compensation of carrier frequency
26956002361Direct integrated approach to multipath signal identification
26965999562Intelligent power management for a programmable matched filter
26975999561Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
26985999560Rake reception method for a spread spectrum signal
26995995571Synchronizing apparatus for spread spectrum communications
27005995538Spread spectrum multipath processor system and method
27015995537Synchronism acquisition method and apparatus for correlation demodulation
27025995536System for discrete data transmission with noise-like, broadband signals
27035995534Ultrawide-band communication system and method
27045991332Adaptive matched filter and vector correlator for a code division multiple access (CDMA) modem
27055991330Mobile Station synchronization within a spread spectrum communication systems
27065991329Automatic power control system for a code division multiple access (CDMA) communications system
27075991308Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant
27085991262Method and apparatus for reducing peak-to-average power ratio of a composite carrier signal
27095987339Receiving portion of radio communication device
27105987076Coherent signal processing for CDMA communication system
27115987059Method for Doppler-replica harmonic avoidance
27125987058Wireless alarm system
27135987056PN sequence hopping method and system
27145987016Method and apparatus for tracking a communication signal in a wireless communication system
27155987015Code division multiplexing communication system and method
27165987014Multipath resistant, orthogonal code-division multiple access system
27175983113CDMA communication system using orthogonal code
27185983105Method and receiver implemented on the rake principle
27195982811Method for efficient sampling in a correlator
27205982810Signal extraction circuit and correlator utilizing the circuit
27215982809Method and apparatus for carrier recovery and compensation in spread spectrum communications
27225982807High data rate spread spectrum transceiver and associated methods
27235982763Reception timing detection circuit of CDMA receiver and detection method
27245982237Digital clock recovery loop
27255978428Apparatus and method for estimating a variable data rate
27265978423Method and arrangement of signal tracking and a rake-receiver utilizing the arrangement
27275978413Method and system for processing a plurality of multiple access transmissions
27285978412Spread spectrum communication system
27295978411Synchronizer for receiver of spread spectrum communication apparatus
27305978362Method and apparatus for eliminating intermodulation interference in cellular telephone systems
27315974101Spread spectrum modulation communication apparatus for narrow band interference elimination
27325974087Waveform quality measuring method and apparatus
27335974083Spread spectrum signal reception apparatus
27345974080Hierarchical-serial acquisition method for CDMA systems using pilot PN codes
27355974079Method and apparatus for encoding rate determination in a communication system
27365974057Method and apparatus for correcting a measured round-trip delay time in a wireless communication system
27375974039CDMA communications and geolocation system and method
27385974038Receiver for code division multiple access communication system
27395970084CDMA mobile communication receiving apparatus
27405970060Method and system for radio transmission of digital signals
27415966416Verification of PN synchronization in a spread-spectrum communications receiver
27425966411Multipath equalization using taps derived from a parallel correlator
27435966403Code multipath error estimation using weighted correlations
27445966402Method and apparatus for detecting pilot signals and subscriber
27455966401RF simplex spread spectrum receiver and method with symbol deinterleaving prior to bit estimating
27465966377Spread spectrum communication system
27475966376Apparatus and method for digital data transmission using orthogonal cyclic codes
27485966370Method and signal evaluation means for determining the noise part in the signal mix of the reception signal of a CDMA reception means
27495963586Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
27505963585MSK spread-spectrum receiver which allows CDMA operations
27515963583Fuzzy-logic spread-spectrum adaptive power control
27525963582Mitigation of multipath effects in global positioning system receivers
27535963581Ultrawide-band communication system and method
27545962950Compact surface acoustic wave apparatus, spread spectrum signal receiver using the same apparatus for reception of spread spectrum signal, and spread spectrum signal communication system using the same spread spectrum signal receiver
27555960045Method of digital differential demodulation
27565960033Matched filter
27575960032High speed data transmission using expanded bit durations in multiple parallel coded data streams
27585960031Ultrawide-band communication system and method
27595960029Coherent dual-channel QPSK modulator/demodulator for CDMA systems, and modulating/demodulating methods therefor
27605960028Spread spectrum communication system
27615956624Method and system for simultaneously broadcasting and receiving digital and analog signals
27625956369Spread spectrum multipath combining subsystem and method
27635956367Rake receiving apparatus for direct sequence code division multiple access system
27645956333Multi-user demodulator for CDMA spectrum spreading communication
27655956328Spread spectrum communications system
27665953382CDMA system mobile communication receiver
27675953370Apparatus for receiving and correlating a spread spectrum signal
27685953369DS-CDMA receiver with multi-stage serial interference cancelers using power level information appended to data blocks
27695953368Wireless alarm system
27705953367Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is present
27715953366Receiving apparatus, receiving method, and terminal unit for use with radio system
27725953365Interference-tolerant spread-spectrum receiver and method therefor
27735953364Pilot signal detecting method, pilot signal detecting apparatus, and receiver
27745953346CDMA communication system which selectively suppresses data transmissions during establishment of a communication channel
27755953327Class of low cross correlation non-palindromic synchronization sequences for code tracking in synchronous multiple access communication systems
27765953324CDMA mobile communication method, system and mobile station apparatus
27775950131Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone
27785949833Method and apparatus to implement antenna diversity for direct sequence spread spectrum receivers
27795949817Multi-level correlation system for synchronization detection in high noise and multi-path environments
27805949816Spread spectrum communication apparatus
27815949815Code multipath reduction using weighted correlation channels
27825949813Method and system for simultaneously broadcasting and receiving digital and analog signals
27835949767Reception unit for receiving a frequency division multi-accessed signal based on plural spread signals and method for receiving the same
27845948063Control system for a telecommunications system
27855946345Apparatus and a method for telecommunication system
27865946344Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths
27875944842Method and apparatus for data encoding and communication over noisy media
27885943362Spread spectrum radio communication system
27895943361System and method for generating signal waveforms in a CDMA cellular telephone system
27905943331Orthogonal code synchronization system and method for spread spectrum CDMA communications
27915943329Code division multiple access mobile communication system
27925940749Apparatus for eliminating external interference signals in code division multiple access mobile phone and method therefor
27935940434Walsh-QPSK chip modulation apparatus for generating signal waveform in a direct sequence spread spectrum communication system
27945940433Acquisition method and system of spreading code
27955940432Spread spectrum radiocommunication device utilizing rake reception scheme
27965940429Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal
27975940428Spread spectrum signal receiving apparatus
27985940382Virtual locating of a fixed subscriber unit to reduce re-acquisition time
27995937014Self-synchronizing equalization techniques and systems
28005937003Adaptive reference pattern for spread spectrum detection claims
28015937000Method and apparatus for embedding auxiliary data in a primary data signal
28025936999Receiver and method for generating spreading codes in a receiver
28035936997Spread spectrum communication method
28045933464Bitwise soft decision symbol decoder
28055933457Receiving method and receiver
28065933423Reception method, and a receiver
28075931893Efficient correlation over a sliding window
28085930704Reconfigurable subscriber terminal for a wireless telecommunications system
28095930366Synchronization to a base station and code acquisition within a spread spectrum communication system
28105930305Signal demodulation and diversity combining in a communications system using orthogonal modulation
28115930292Method and apparatus for improved autocorrelation in biphase modulated pseudorandom noise coded systems using tri-state demodulation
28125930289CDMA reception method and a CDMA receiver which calculates an estimate from samples for each desired signal during a monitoring period
28135930288Time-shared lock indicator circuit and method for power control and traffic channel decoding in a radio receiver
28145930287Spread-spectrum communication apparatus
28155930244CDMA Communication system and method
28165930229Interference canceller for CDMA
28175926503DS-CDMA receiver and forward link diversity method
28185926471CDMA communication method, CDMA transmitter and CMDA receiver
28195923700Adaptive weight update method and system for a discrete multitone spread spectrum communications system
28205923668Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
28215920591Spreading code generator and CDMA communication system
28225920590Variable bandwidth spread spectrum device
28235920589Direct sequence spread spectrum DSP system
28245920555Pilot assisted direct sequence spread spectrum synchronization apparatus
28255920551Channel structure with burst pilot in reverse link
28265920549Method of handing off and a wireless communication device
28275918161Method and apparatus for reducing multipath signal error using deconvolution
28285918160Subscriber terminal for a wireless telecommunications system
28295917866Code multipath estimation for weighted or modified tracking using weighted or modified correlations
28305917852Data scrambling system and method and communications system incorporating same
28315917851Method for allocating rake branches and rake receiver
28325917850Spread spectrum receiving apparatus
28335917829Asynchronous CDMA decorrelating detector
28345915216Apparatus and method of transmitting and receiving information in a wireless telecommunications system
28355914980Wireless communication system and data storage medium
28365914949Circuit and method for tracking finger off-set in a spread-spectrum rake receiver and wireless infrastructure employing the same
28375914943Apparatus and method for establishing acquisition of spreading code in CDMA transmission system
28385912919Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
28395910964Code detection apparatus
28405910950Demodulator phase correction for code division multiple access receiver
28415910948Acquisition scheme and receiver for an asynchronous DS-CDMA cellular communication system
28425910944Radio telephone and method for operating a radiotelephone in slotted paging mode
28435909462System and method for improved spread spectrum signal detection
28445909461Spread spectrum communication apparatus and demodulator surface acoustic wave element and surface acoustic wave parts for spread spectrum communication
28455909435Wideband code-division multiple access system and method
28465907813Signal acquisition in a wireless communication system by transmitting repeated access probes from a terminal to a hub
28475907578Weighted carrier phase multipath reduction
28485907576CSK communication system and method for spread spectrum communication
28495907545Wireless communication apparatus and method
28505905963Subscriber terminal monitor system for a wireless telecommunications system
28515905946Method for estimating a channel and a receiver
28525905721Methods for channel estimation and signal detection of CDMA signals
28535903598Method and system for simultaneously broadcasting and receiving digital and analog signals
28545903596Spread spectrum demodulation unit
28555903595Digital matched filter
28565903593Spread spectrum signal receiver
28575903556Code multiplexing communication system
28585903551Multi-user acquisition procedure for point-to-multipoint synchronous CDMA systems
28595903550Method and system for parallel demodulation of multiple chips of a CDMA signal
28605901183Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present
28615901178Post-compression hidden data transport for video
28625901171Triple multiplexing spread spectrum receiver
28635898665Coherent tracking apparatus and method for CDMA receiver
28645897605Spread spectrum receiver with fast signal reacquisition
28655896374Variable rate transmission method, transmitter and receiver using the same
28665896368Multi-code compressed mode DS-CDMA systems and methods
28675896304Low power parallel correlator for measuring correlation between digital signal segments
28685894500Method and apparatus for canceling signals in a spread-spectrum communication system
28695894494Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals
28705892793Spread spectrum signalling schemes
2871589279212-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone
28725889827Method and apparatus for digital symbol detection using medium response estimates
28735889815Spread spectrum communication receiver
28745889768Method of and apparatus for pilot channel acquisition
28755887034DS-CDMA multiple user serial interference canceler unit and method of transmitting interference replica signal of the same
28765887021Base station receiver and a method for receiving a signal
28775887020Multi-band, multi-mode spread-spectrum communication system
28785886987FDD/CDMA transmission/reception system
28795883921Short burst acquisition circuit and method for direct sequence spread spectrum links
28805883899Code-rate increased compressed mode DS-CDMA systems and methods
28815881100Method and apparatus for coherent correlation of a spread spectrum signal
28825881099Signal processing circuit for spread spectrum communications
28835881098Efficient demodulation scheme for DSSS communication
28845881097Calculating estimates and decisions of parameters for receiver
28855881092Spread spectrum telecommunication system
28865881058Method for performing a signal search in a wireless communication system
28875881057Synchronous detector with reduced error computation for maximal-ratio combining
28885881056Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits
28895878098Method and apparatus for rate determination in a communication system
28905878076Direct-sequence spread spectrum communication system, a primary radio station, and a secondary radio station
28915878037Code division switching scheme
28925872810Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem
28935872808Apparatus and method for synchronization of direct sequence CDMA signals
28945872806Spread spectrum signal transmission method and system and also transmitter and receiver for use with the method and system
28955872791Method and apparatus for data encoding and communication over noisy media
28965872776Signal detection and interference cancellation based on simplified matrix inversion for CDMA applications
28975872774Mobile station assisted timing synchronization in a CDMA communication system
28985872540Digital interference suppression system for radio frequency interference cancellation
28995870427Method for multi-mode handoff using preliminary time alignment of a mobile station operating in analog mode
29005870425Differential receiver of direct sequence spread spectrum signals
29015870393Spread spectrum communication system and transmission power control method therefor
29025870378Method and apparatus of a multi-code code division multiple access receiver having a shared accumulator circuits
29035867527Method of searching for a bursty signal
29045867525Synchronizer and method therefor and communications system incorporating same
29055864578Matched filter-based handoff method and apparatus
29065864548Method and apparatus for fast modulation in synchronous CDMA communications
29075862186RF simplex spread spectrum receiver and method
29085862173Re-orthogonalization of wideband CDMA signals
29095862172Spread spectrum communication system and its transmitter and receiver
29105862171Radio frequency communication network having adaptive communication parameters
29115862139Code-division-multiple-access (CDMA) receiver and method with DC component removal
29125859870Time diversity transmission-reception system
29135859869Low cost binary phase shift keying modulation transmitter system
29145856998Method and apparatus for correlating a continuous phase modulated spread spectrum signal
29155856997Spread spectrum receiving apparatus
29165856971Code division multiple access system providing variable data rate access to a user

1998

29175854815Code phase signal multipath compensation
29185850600Three cell wireless communication system
29195850414Spread spectrum communication receiver with synchronizing circuit
29205848160Digital synthesized wideband noise-like waveform
29215848096Communication method and system using different spreading codes
29225844937Matched filter system
29235844936Method and device for eliminating interference signals in a direct sequence spread spectrum link
29245844935CDMA Receiver
29255844934Spread spectrum communication system
29265841808Spread spectrum chip rate tracking system
29275841807Spread spectrum data communicator
29285841806Method and apparatus for the transmission of energy-scaled variable rate data
29295841768Method of controlling initial power ramp-up in CDMA systems by using short codes
29305841315Matched filter circuit
29315838913Control message transmission in telecommunications systems
29325838733Method and apparatus for mitigating signal distortion in a communication system
29335838721Spread spectrum communication equipment
29345838719Noise shaping technique for spread spectrum communications
29355835528Method for fast determination of puesdo-noise code generator state
29365835527Spread spectrum adaptive power control system and method
29375835489CDMA communication system
29385835488Pseudo random noise sequence code generator and CDMA radio communication terminal
29395832035Fast locking mechanism for channelized ultrawide-band communications
29405832029Apparatus for and method of acquiring synchronization for spread-spectrum communication system
29415832028Method and apparatus for coherent serial correlation of a spread spectrum signal
29425832027Spread spectrum modulating and demodulating apparatus for transmission and reception of FSK and PSK signals
29435832025Receiving apparatus and communications apparatus
29445832023Spread spectrum receiver using absolute-value determination for code tracking
29455832021Correlation detector for use in a spread spectrum communications receiver
29465831984Reception method and CDMA receiver
29475828694Determination of multipath tracking error
29485828692Baseband demodulator for polar or rectangular modulated signal in a cordless spread spectrum telephone
29495825835Multi-user acquisition procedure for multipoint-to-point synchronous CDMA systems
29505825812Suppressed side lobe direct-sequence-spread-spectrum radio communication method and device
29515825810MSK spread-spectrum receiver which allows CDMA operations
29525825809Digital filter having an energy level detector for selecting a coefficient
29535825808Random parity coding system
29545825807System and method for multiplexing a spread spectrum communication system
29555825806Modulated spread spectrum in RF identification systems method
29565822384Search method for acquisition of time synchronization between a spreading sequence of a receiver and that of a transmitter
29575822365Variable correlator
29585822364Receiving apparatus for spectrum spread system
29595822363Transmission process having spectrum spread phase differential modulation adn demodulation using orthogonal pseudorandom sequences
29605822360Method and apparatus for transporting auxiliary data in audio signals
29615818887Method for receiving a signal in a digital radio frequency communication system
29625818882Frequency offset cancellation apparatus
29635818869Spread spectrum communication synchronizing method and its circuit
29645818868Direct-sequence spread-spectrum receiver including code acquisition and detection using an autoadaptive threshold
29655818867QPSK/QBL-MSK waveform enhancement
29665818866Method of selecting propagation delays retained for receiving messages transmitted by spread spectrum radio communication
29675815812Soft handoff system of spread spectrum communication
29685815811Preemptive roaming in a cellular local area wireless network
29695815801Method for estimating the quality of a connection, and a receiver
29705815798Apparatus and method of controlling transmitting power in a subscriber terminal of a wireless telecommunications system
29715815541Digital phase locked loop assembly
29725815539Signal timing synchronizer
29735815526Signal comprising binary spreading-code sequences
29745815525Multi-band, multi-mode spread-spectrum communication system
29755812613Bitwise soft decision symbol decoder
29765812593De-spread code phase detection apparatus in spread spectrum type receiver
29775812592Spread spectrum communication apparatus utilizing a phase difference between two signals
29785812546Demodulator for CDMA spread spectrum communication using multiple pn codes
29795812542Method for determining weighting coefficients in a CDMA radio receiver
29805812522Location-ruled radio-integrated network
29815809093Apparatus and method of frame aligning information in a wireless telecommunications system
29825809089Receiving unit, soft information data processor and decoding method thereof used for a code division multiple access system
29835809064Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators
29845809062Ambiguity resolution system in direct sequence spread spectrum modulation systems
29855809061CDMA communication system with pilot tone control
29865809060High-data-rate wireless local-area network
29875809058Code division multiple access signal receiving apparatus for base station
29885809028Protocol converter for a wireless telecommunications system
29895809020Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
29905805648Method and apparatus for performing search acquisition in a CDMA communication system
29915805635Secure communication system
29925805634Method and apparatus for transmitting and receiving information as a power hopped direct sequence spread spectrum signal
29935805584Multi-user acquisition procedure for point-to-multipoint synchronous CDMA systems
29945802102Programmable two-part matched filter for spread spectrum
29955802101Direct sequence SS LAN station with reduced power consumption and method for operating the same
29965799038Method for measuring modulation parameters of digital quadrature-modulated signal
29975799035Digital circuit for differential receiver for direct sequence spread spectrum signals
29985799034Frequency acquisition method for direct sequence spread spectrum systems
29995799013Methods and devices for enhancing communications that use spread spectrum technology by using variable power techniques
30005799011CDMA power control channel estimation using dynamic coefficient scaling
30015799010Code division multiple access (CDMA) communication system
30025799004Method for eliminating multiple-access interference and a mobile station
30035796959Noise shaping technique for spread spectrum communications
30045796776Code sequence generator in a CDMA modem
30055796775Path-diversity CDMA reception by detecting lower-peak correlation sequence following removal of higher-peak sequences
30065796774Spread spectrum communication apparatus with conversion of input patterns to uniform spectral patterns
30075796773Compensating for multipath errors, ionospheric time delay and noise errors in differential satellite positioning systems
30085796772Multi-band, multi-mode spread-spectrum communication system
30095796757Methods and apparatus for performing rate determination with a variable rate viterbi decoder
30105793814Transmission method for simultaneous synchronous or asynchronous transmission of K data sequences consisting of data symbols
30115793796Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
30125793794Spread spectrum receiving apparatus
30135793759Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes
30145790592Terminal of a code division multiple access cellular communication system, and a transmit and receive data processing method thereof
30155790591Spread spectrum transmitter and communications system using multiple spreading codes
30165790590Matched filter circuit
30175790589System and method for rapidly reacquiring a pilot channel
30185790588Spread spectrum transmitter and receiver employing composite spreading codes
30195790587Multi-band, multi-mode spread-spectrum communication system
30205790549Subtractive multicarrier CDMA access methods and systems
30215790537Interference suppression in DS-CDMA systems
30225790515Method and apparatus for sorting walsh indexes in a communication system receiver
30235787130Method and apparatus for canceling interference in a spread-spectrum communication system
30245787112Data demodulation circuit and method for spread spectrum communication
30255786770Message handling in a telecommunications network
30265784403Spread spectrum correlation using saw device
30275784366Wideband code-division-multiple access system and method
30285784364Multiple path delay time searcher in reverse link communication channel of a communication system employing a code division multiple access method
30295784293Apparatus and method for determining transmitted modulation symbols
30305781584Code acquisition and tracking circuit using switched matched filter and sliding correlators
30315781583Method and system for communication over multiple channels in a spread spectrum communication system
30325781543Power-efficient acquisition of a CDMA pilot signal
30335781152Method and circuit for the reception of signals for positioning by satellite with elimination of multiple-path errors
30345778023Data reproducing apparatus for spread spectrum signal
30355778022Extended time tracking and peak energy in-window demodulation for use in a direct sequence spread spectrum system
30365774496Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver
30375774494Frequency error correction device of a spread-spectrum communication receiver
30385774493Sequence constructions for delay-and-correlate transmitted reference signaling
30395774492Low-complexity direct conversion receiver for delay-and-correlate transmitted reference signaling
30405774022Digital clock recovery loop
30415771288Multiple access coding for radio communications
30425771226Data rate detector for terminal station receiver
30435768307Coherent demodulation with decision-directed channel estimation for digital communication
30445768306Sliding correlator used in CDMA systems to establish initial synchronization
30455768305Identification of start and end points of transmitted data in spread spectrum communication systems
30465768269Apparatus and method for establishing frame synchronization in distributed digital data communication systems
30475767738Apparatus and method for demodulating a modulated signal
30485764691Intelligent power management for a programmable matched filter
30495764690Apparatus for despreading and demodulating a burst CDMA signal
30505764688Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
30515764687Mobile demodulator architecture for a spread spectrum multiple access communication system
30525764685Method of setting spread code series and communication apparatus using spread spectrum communication method
30535764630Forward link carrier recovery in an OCDMA spread spectrum communication system without a pilot tone
30545761239Method and apparatus for despreading spread spectrum signals
30555761238Transmitted reference spread spectrum communications system
30565757870Spread spectrum communication synchronizing method and its circuit
30575757853Spread spectrum time diversity communications system
30585757850Transmission bit rate discrimination method and apparatus
30595757848Method and apparatus for a decimating digital PN correlator
30605757847Method and apparatus for decoding a phase encoded signal
30615757845Adaptive spread spectrum receiver
30625757844Spread spectrum receiver
30635757791Multistage linear receiver for DS-CDMA systems
30645757767Method and apparatus for joint transmission of multiple data signals in spread spectrum communication systems
30655757766Transmitter and receiver for orthogonal frequency division multiplexing signal
30665754803Parallel packetized intermodule arbitrated high speed control and data bus
30675754604Synchronization to pseudo random number sequence with sign ambiguity in communications systems
30685754603Pseudo random number sequence synchronization in communications systems
30695754585Method and apparatus for serial noncoherent correlation of a spread spectrum signal
30705754584Non-coherent spread-spectrum continuous-phase modulation communication system
30715754583Communication device and method for determining finger lock status in a radio receiver
30725754533Method and system for non-orthogonal noise energy based gain control
30735751761System and method for orthogonal spread spectrum sequence generation in variable data rate systems
30745751739Methods of and devices for enhancing communications that use spread spectrum technology
30755751705Code division multiple access base station transmitter
30765748687Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems
30775748671Adaptive reference pattern for spread spectrum detection
30785748668Spread spectrum method for transmitting an information signal as a radio signal at a high speed
30795748667Spread spectrum modulation using time varying linear filtering
30805748623Code division multiple access transmitter and receiver
30815745837Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA
30825745531Automatic gain control apparatus, communication system, and automatic gain control method
30835745529Post detection intergration (PDI) receiver
30845745525Method and system for simultaneously broadcasting and receiving digital and analog signals
30855745521Spread spectrum communication apparatus and signal intensity detection apparatus
30865745496Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
30875745484Efficient communication system using time division multiplexing and timing adjustment control
30885742678Multiple access coding for radio communications
30895742637Fast phase estimation in digital communication systems
30905742636Spread spectrum receiving apparatus with battery saving function
30915742595Processing CDMA signals
30925740096Filter circuit for communication
30935737374Delay locked loop for use in a GPS signal receiver
30945737372Apparatus for synchronizing multipoint-to-point communications systems
30955737362Delay-locked loop code tracking system for receiver of a code spread communication system
30965737361Receiver in a direct-sequence spread-spectrum communication system using a window filter
30975737360System employing continuous-time dissipative pseudorandom dynamics for communications and measurement
30985737329Spread spectrum communication apparatus
30995737327Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system
31005737326Multi-code code division multiple access receiver
31015734674Pseudorandom-noise receiver having automatic switching between regular and anti-jamming modes
31025734647CDMA communication system in which interference removing capability is improved
31035734646Code division multiple access system providing load and interference based demand assignment service to users
31045729571Non-coherent digital receiver of a spread spectrum communication system
31055729570Orthogonal code division multiple access communication system having multicarrier modulation
31065729388System employing dissipative pseudorandum dynamics for communications and measurement
31075727028Method and apparatus for receiving a signal in a digital radio frequency communication system
31085727018Process for obtaining a signal indicating a synchronization error between a pseudo-random signal sequence from a transmitter and a reference pseudo-random signal sequence from a receiver
31095727004Method and apparatus for data encoding and communication over noisy media
31105726982Artificial window size interrupt reduction system for CDMA receiver
31115724384PN code sync device using an adaptive threshold
31125724383Method for generating and encoding signals for spread spectrum communication
31135724382Multimode spread spectrum communication system tolerant to varying channel characteristics
31145724381Receiver for spread spectrum communication
31155724378CDMA multiuser receiver and method
31165721734Code division multiple access unit and code division multiple access method
31175719900Dual-threshold spread spectrum correlator
31185719899Multiple access digital transmission system and a radio base station and a receiver for use in such a system
31195719898Fuzzy-logic spread-spectrum adaptive power control
31205719852Spread spectrum CDMA subtractive interference canceler system
31215717713Technique to permit rapid acquisition and alert channel signalling for base station-to-user link of an orthogonal CDMA (OCDMA) communication system
31225715521Method of controlling synchronization signal power in a communication system
31235715279Method for estimating a channel, and a receiver
31245715236System and method for generating signal waveforms in a CDMA cellular telephone system
31255715235Communication system capable of performing FDMA transmission
31265712871Method and apparatus for implementing a direct-sequence code division multiple access communication system with an M-ary pulse-position modulated spreading-sequence signal
31275712869Data transmitter and receiver of a spread spectrum communication system using a pilot channel
31285712866Small low powered digital transmitter for covert remote surveillance
31295710784Multirate serial viterbi decoder for code division multiple access system applications
31305710768Method of searching for a bursty signal
31315710767Automatic data bypass of a removed/failed CDMA channel unit
31325708679Hitless ultra small aperture terminal satellite communication network
31335708658Communication terminal
31345706428Multirate wireless data communication system
31355706275Data transmission method, transmitter, and receiver

1997

31365703874Broadband CDMA overlay system and method
31375699380Spread spectrum communication terminal apparatus in CDMA cellular telephone system
31385696789Apparatus and method for signal identification
31395696766Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless telecommunications system
31405696762Rapid-acquisition access channel scheme for CDMA systems
31415694417Short burst direct acquisition direct sequence spread spectrum receiver
31425694415Signal communication system capable of recognizing reception of reception desired signal
31435694414Multi-band, multi-mode spread-spectrum communication system
31445694388CDMA demodulator and demodulation method
31455692008Apparatus for estimating a line of sight signal propagation time using a reduced-multipath correlation function
31465692007Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
31475692006Adaptive despreader
31485691974Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
31495689526Method and apparatus for synchronizing a plurality of code division multiple access signals to enable acquisition and tracking based upon a single pseudonoise spreading code
31505689525Direct-sequence spread-spectrum communication system
31515689524PN code synchronizing method and transmitter and receiver in spread spectrum communication systems
31525689511Data receiver for receiving code signals having a variable data rate
31535687191Post-compression hidden data transport
31545687190Non-coherent direct sequence spread spectrum receiver for detecting bit/symbol chip sequences using threshold comparisons of chip sequence correlations
31555687169Full duplex ultrawide-band communication system and method
31565687166Modulation system for spread spectrum CDMA communication
31575687162DS/CDMA receiver having an interference cancelling function capable of asssuring a desired reception quality in a narrow-band DS/CDMA
31585684793Base station receiver equipment
31595682605Wireless communication system
31605680414Synchronization apparatus and method for spread spectrum receiver
31615677930Method and apparatus for spread spectrum channel estimation
31625677928Spread spectrum communication system
31635677927Ultrawide-band communication system and method
31645675616Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
31655675608Synchronous transmitter and receiver of spread spectrum communication method
31665673286Spread spectrum multipath processor system and method
31675673266Subsequent frame variable data rate indication method
31685671255Method and apparatus for determining coding rate in a wireless communication system
31695671248Spread spectrum communication equipment
31705671247Method and apparatus for interference suppression in spread spectrum signals
31715671221Receiving method and apparatus for use in a spread-spectrum communication system
31725668829Spread spectrum communication apparatus
31735668795Modulation system for spread spectrum CDMA communiction
31745668431Surface wave devices for differential coherent detectors
31755666379Best-of-M pulse position modulation detector
31765666352CDMA mobile communication system and method with improved phase correction features
31775663983Differentially matched filter for a spread spectrum system
31785663981Radio communication apparatus
31795663956CDMA communications and geolocation system and method
31805661750Direct sequence spread spectrum system
31815661358Demodulation apparatus and communication system using the same
31825659574Multi-bit correlation of continuous phase modulated signals
31835659573Method and apparatus for coherent reception in a spread-spectrum receiver
31845659572Phased array spread spectrum system and method
31855659569Data burst randomizer
31865657342Adaptive data rate packet communication system
31875654991Fast acquisition bit timing loop method and apparatus
31885654980Method for controlling a receiver, and a receiver
31895654978Pulse position modulation with spread spectrum
31905652765Receiver and repeater for spread spectrum communications
31915652748Method for making a handover in a CDMA cellular radio system, and a mobile station
31925648983CDMA rake receiver with sub-chip resolution
31935648982Spread spectrum transmitter
31945646964DS/CDMA receiver for high-speed fading environment
31955646627Method and apparatus for controlling a biphase modulation to improve autocorrelation in pseudorandom noise coded systems
31965644592Parallel interference cancellation for CDMA applications
31975644591Method and apparatus for performing search acquisition in a CDMA communications system
31985644590Spread spectrum communication apparatus and signal intensity detection apparatus
31995642377Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems
32005640674Three-cell wireless communication system
32015640431Method and apparatus for offset frequency estimation for a coherent receiver
32025640419Covert communication system
32035640416Digital downconverter/despreader for direct sequence spread spectrum communications system
32045638376Code division multiplex signal receiving method
32055638362Correlation detector and communication apparatus
32065633889Phased array spread spectrum system and method
32075631929Electronic transmitter having a digital combiner circuit for transmitting multiple digital input signals simultaneously
32085631921Adaptive power control for a spread spectrum communications system and method
32095629956Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal
32105629955Variable spectral response FIr filter and filtering method
32115629929Apparatus for rapid interference cancellation and despreading of a CDMA waveform
32125627856Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
32135627855Programmable two-part matched filter for spread spectrum
32145627845Variable rate communication method and a variable rate communication system
32155627835Artificial window size interrupt reduction system for CDMA receiver
32165625863Video distribution system using in-wall wiring
32175625639Spread spectrum method for transmitting an information signal as a radio signal at a high speed
32185625381Control element constituting a mouse
32195623511Spread spectrum code pulse position modulated receiver having delay spread compensation
32205623487Doubly orthogonal code and frequency division multiple access communication system
32215623485Dual mode code division multiple access communication system and method
32225621752Adaptive sectorization in a spread spectrum communication system
32235619527Chip-based selective receiving system for a spread spectrum signal
32245619524Method and apparatus for coherent communication reception in a spread-spectrum communication system
32255619491CDMA transmission system
32265615232Method of estimating a line of sight signal propagation time using a reduced-multipath correlation function
32275615227Transmitting spread spectrum data with commercial radio
32285615226Method and receiver for demodulating a received signal
32295615209Method and apparatus for CDMA signal orthogonalization
32305612978Method and apparatus for real-time adaptive interference cancellation in dynamic environments
32315612973System employing dissipative pseudorandom dynamics for communications and measurement
32325612972Spectrum spread signal reception with differential demodulation of spectrum spread demodulated components at each synchronous point and at a point always one symbol period later
32335610940Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal
32345610939Signal processing circuit for spread spectrum communications
32355610938Spread spectrum communication system having a minimized bit error rate
32365604767Spread spectrum spectral density techniques
32375602832Receiver device for code division multiplex communication system
32385602546Method and apparatus for the rapid testing and elimination of hypothesis code sequences
32395600670Dynamic channel allocation for GPS receivers
32405600328Demodulator circuit in global positioning system receiver
32415598429Multi-level correlation system for synchronization detection in high noise and multi-path environments
32425598428DS/CDMA diversity receiver with despreading filters using combiner wherein first and second despreading filters are delayed with respect to each other by a period of half the chip rate
32435598427Wireless alarm system
32445598154Apparatus and method for generating and utilizing pseudonoise code sequences
32455596601Method and apparatus for spread spectrum code pulse position modulation
32465596600Standalone canceller of narrow band interference for spread spectrum receivers
32475596599Spread spectrum receiving apparatus
32485596571CDMA radiotelephone having optimized slotted mode and long code operation
32495594755Apparatus for use in equipment providing a digital radio link between a fixed radio unit and a mobile radio unit
32505594754Spread spectrum communication receiver
32515592506MSK spread-spectrum receiver which allows CDMA operations
32525592482Video distribution system using in-wall wiring

1996

32535590160Symbol and frame synchronization in both a TDMA system and a CDMA
32545588020Spread spectrum CDMA communications system
32555583884Spread spectrum modulation and demodulation systems which accelerate data rate without increasing multilevel indexing of primary modulation
32565583853Synchronous CDMA transmitter/receiver
32575583852Wireless data communication system
32585583851Mobile communication apparatus having multi-codes allocating function
32595581575Method and apparatus for transmission of variable rate digital data
32605579338Spread spectrum receiver using partial correlations
32615579335Split band processing for spread spectrum communications
32625579304Code-division multiple-access receiver with sequential interference-canceling architecture
32635577025Signal acquisition in a multi-user communication system using multiple walsh channels
32645574972Mobile radio system having power level control signalling
32655574747Spread spectrum adaptive power control system and method
32665574721Orthogonal code tracking system having phantom carrier signal
32675572552Method and system for demodulation of downlink CDMA signals
32685570351Multi-user communication system employing spread signatures
32695570350CDMA cellular communications with multicarrier signal processing
32705568483Method and apparatus for the formatting of data for transmission
32715568473Method and apparatus for simple and efficient interference cancellation for chip synchronized CDMA
32725566206Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver
32735566202System using a split correlator for frequency compensating a phase modulated pseudonoise sequence signal
32745566201Digital AGC for a CDMA radiotelephone
32755563907Variable bandwith spread spectrum device and method
32765559829Method of constructing a spreading code associated with one user of a direct sequence code division multiple access digital transmission system and corresponding method of generating a table
32775559828Transmitted reference spread spectrum communication using a single carrier with two mutually orthogonal modulated basis vectors
32785559790Spread spectrum communication system and transmission power control method therefor
32795555268Multicode direct sequence spread spectrum
32805553062Spread spectrum CDMA interference canceler system and method
32815550811Sync acquisition and tracking circuit for DS/CDMA receiver
32825550810Direct sequence code division multiple access (DS-CDMA) communication system and a receiver for use in such a system
32835550809Multiple access coding using bent sequences for mobile radio communications
32845548613DS/CDMA receiver using moving-averaged pilot signals for weighting and phase rotation of orthogonal data symbol vectors
32855548583Wireless telephone user location capability for enhanced 911 application
32865546420Methods of and devices for enhancing communications that use spread spectrum technology by using variable code techniques
32875544196Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system
32885544167Transmission method for CDMA radiotelephone communications, and apparatuses for implementing such method
32895544156Direct sequence CDMA coherent uplink detector
32905544155Method of synchronization for code division multiple access radiotelephone communications
32915539775Modulated spread spectrum in RF identification systems method
32925539770Spread spectrum modulating apparatus using either PSK or FSK primary modulation
32935537410Subsequent frame variable data rate indication method
32945537397Spread aloha CDMA data communications
32955537396Diffusion code generating method for spread spectrum communication
32965535278Global positioning system (GPS) receiver for recovery and tracking of signals modulated with P-code
32975535239Data burst randomizer
32985535238Spread spectrum adaptive power control communications system and method
32995533047Threshold detector for digital radio transmission systems, devices comprising a threshold detector of this kind and corresponding utilization
33005533045Automatic vehicle identification system, interrogator and responder included in the same
33015533038Method and apparatus for the rapid detection and measurement of differential phase offset between two identical binary code sequences
33025533012Code-division multiple-access system with improved utilization of upstream and downstream channels
33035533010Channel switching control method and a cordless telephone system using the same
33045530717Smooth spectrum spreading with a small spreading factor
33055530716Method and apparatus for identifying a coded communication signal
33065530697Code-division multiplex communication apparatus
33075528624DS/CDMA receiver using parallel-operating multi-purpose correlators
33085528621Packet data communication system
33095528599Method and apparatus of combining signals in a digital pipelined signal adder
33105521937Multicarrier direct sequence spread system and method
33115519888Receiver incorporating an other users noise simulator (OUNS) for use in a communication system
33125519730Communication signal having a time domain pilot component
33135517518Method and arrangement for recognition of a coded transmitted signal
33145515396Method and apparatus for selecting a spreading code in a spectrum spread communication system
33155511090Wireless frequency-division-multiple-access direct sequence spread spectrum telephone system
33165511073Method and apparatus for the formatting of data for transmission
33175509035Mobile station operating in an analog mode and for subsequent handoff to another system
33185509015Method and apparatus for scheduling communication between transceivers
33195506865Pilot carrier dot product circuit
33205506864CDMA communications and geolocation system and method
33215506862Digital implementation of spread spectrum communications system
33225506861System and method for joint demodulation of CDMA signals
33235504787Coherent sequential PN code extractor
33245504776Spread spectrum communication system and transmitter-receiver
33255504774Data transmitting and receiving apparatus
33265504773Method and apparatus for the formatting of data for transmission
33275500872Spread spectrum base band processor
33285500856Transmission de-correlator for eliminating interference in a CDMA communication system
33295499267Spread spectrum communication system
33305499265Spread spectrum correlator
33315499236Synchronous multipoint-to-point CDMA communication system
33325497395Method and apparatus for modulating signal waveforms in a CDMA communication system
33335495509High processing gain acquisition and demodulation apparatus
33345495500Homodyne radio architecture for direct sequence spread spectrum data reception
33355495499Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators
33365493588Multipath compensation for code phase signals
33375491718CDMA radiotelephone having optimized slotted mode and long code operation
33385490165Demodulation element assignment in a system capable of receiving multiple signals
33395488629Signal processing circuit for spread spectrum communications

1995

33405479442Spectrum spread receiver and spectrum spread transmitter-receiver including same
33415479441Packet data communication system
33425477195Near optimal quasi-coherent delay lock loop (QCDLL) for tracking direct sequence signals and CDMA
33435471497Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
33445469470Spread spectrum communication system using two-predetermined-code pseudo-noise signals
33455469468Overlaying spread-spectrum satellite system and method
33465467368Spread spectrum signal demodulator
33475465269Method and apparatus for encoding and decoding a supplementary signal
33485463660Block-spreading code-division multiple-access demodulator with improved interference cancellation
33495459758Noise shaping technique for spread spectrum communications
33505457713Spread spectrum alignment repositioning method
33515454005Reciprocal mode saw correlator method and apparatus
33525452328Technique for generating sets of binary spreading-code sequences for a high data-rate spread-spectrum network
33535450395Code position modulation system and method for multiple user satellite communications
33545448600Method for selecting propagation paths retained for receiving messages transmitted by CDMA radiocommunication
33555448599Method and arrangement for radiocommunication using a band-spreading technique
33565446757Code-division-multiple-access-system based on M-ary pulse-position modulated direct-sequence
33575442662Code-division multiple-access communication system providing enhanced capacity within limited bandwidth
33585442661Path gain estimation in a receiver
33595442627Noncoherent receiver employing a dual-maxima metric generation process
33605442625Code division multiple access system providing variable data rate access to a user
33615440597Double dwell maximum likelihood acquisition system with continuous decision making for CDMA and direct spread spectrum system
33625438589Spread spectrum communication system
33635436941Spread spectrum spectral density techniques
33645436935Process for synchronizing a receiver switching circuit to a received signal containing a pn-code-spread data signal
33655434893Component for a differential transmitter-receiver of signals with direct sequence spread spectrum and the corresponding transmitter-receiver
33665432815Data modulator-demodulator apparatus of a spread spectrum communication system
33675432813Parallel processing based digital matched filter and error detector for a digital demodulator
33685426670Interference compensating circuit including a matched filter followed by a median filter
33695426666Communication apparatus
33705426665Signal compression systems
33715425051Radio frequency communication network having adaptive parameters
33725425050Television transmission system using spread spectrum and orthogonal frequency-division multiplex
33735423001Data transmission and apparatus, data processing apparatus and a neural network which utilize phase shifted, modulated, convolutable pseudo noise
33745422909Method and apparatus for multi-phase component downconversion
33755422908Phased array spread spectrum system and method
33765420896Synchronous spread-spectrum communications system and method
33775420889Decoding using a linear metric and interference estimation
33785418814Threshold cancellation means for use in digital mobile radio networks
33795418813Method and apparatus for creating a composite waveform
33805416797System and method for generating signal waveforms in a CDMA cellular telephone system
33815414730Asynchronous samples data demodulation system
33825414729Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing
33835414728Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
33845414699Method and apparatus for receiving and decoding communication signals in a CDMA receiver using partial de-correlation
33855410750Interference suppressor for a radio receiver
33865410568CDMA/TDMA spread-spectrum communications system and method
33875408504Symbol and frame synchronization in a TDMA system
33885406629Apparatus and method for digitally processing signals in a radio frequency communication system
33895406585Method and apparatus for trellis decoding in a multiple-access system
33905402450Signal timing synchronizer
33915402413Three-cell wireless communication system
33925400359Spread spectrum communication system and an apparatus for communication utilizing this system
33935396516Method and system for the dynamic modification of control paremeters in a transmitter power control system
33945396515Asymmetric spread spectrum correlator
33955394434Code-division multiple-access demodulator with improved interference cancelation
33965392287Apparatus and method for reducing power consumption in a mobile communications receiver
33975390207Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators
33985390167Code-division multiplex communication apparatus
33995388126Baseband signal processor for a microwave radio receiver
34005387873Method of synchronizing two signals
34015383220Data demodulator of a receiving apparatus for spread spectrum communication
34025381449Peak to average power ratio reduction methodology for QAM communications systems
34035381447Code division multiple access messaging system for providing seed information based on times of inbound messages
34045381446Digital implementation of spread spectrum communications system
34055379320Hitless ultra small aperture terminal satellite communication network

1994

34065377227Adaptive data recovery for spread spectrum systems
34075377226Fractionally-spaced equalizer for a DS-CDMA system
34085377225Multiple-access noise rejection filter for a DS-CDMA system
34095377223Notch filtering a spread spectrum signal using fourier series coefficients
34105375141Synchronizing circuit in a spread spectrum communications system
34115367533Dynamic capacity allocation CDMA spread spectrum communications
34125365550Initial synchronization and tracking circuits for spread spectrum receivers
34135365544CDMA communications and geolocation system and method
34145365543Transmitting circuit and receiving circuit
34155363403Spread spectrum CDMA subtractive interference canceler and method
34165363401Mechanism for extracting hybrid (fh/ds) spread spectrum signals within multi-signal type environment
34175361276All digital maximum likelihood based spread spectrum receiver
34185359625Spread spectrum communication system particularly-suited for RF network communication
34195359624System and method for chip timing synchronization in an adaptive direct sequence CDMA communication system
34205357541Transceiver providing selectable frequencies and spreading sequences
34215355389Reciprocal mode saw correlator method and apparatus
34225353352Multiple access coding for radio communications
34235353304Surface acoustic wave device, and demodulating apparatus and communication system using the surface acoustic wave device
34245353303Technique for increasing the data rate in a spread spectrum data link
34255353302Signal despreader for CDMA systems
34265353301Method and apparatus for combining multipath spread-spectrum signals
34275353300Communication method for an adaptive direct sequence CDMA communication system
34285351269Overlaying spread spectrum CDMA personal communications system
34295349606Apparatus for multipath DSSS communications
34305347537Spread spectrum communication device
34315347536Multipath noise reduction for spread spectrum signals
34325347534Automatic gain control system
34335345472Method and apparatus for receiving and decoding communication signals in a CDMA receiver
34345345469Communication device with code sequence selection system
34355345468Despreading technique for CDMA systems
34365343496Interference suppression in CDMA systems
34375343495Method of multipath dsss communications
34385343210Satellite radionavigation receiver
34395341395Data recovery technique for asynchronous CDMA systems
34405335249Method and apparatus for spread spectrum communications
34415335247Adaptive data rate packet communications system
34425329549Signal processing method for a GPS receiver
34435329547Method and apparatus for coherent communication in a spread-spectrum communication system
34445329546Clock recovery stabilization method and circuit in a receiver of a code division multiple access/direct sequence (CDMA/DS) system
34455325394Method and apparatus for canceling spread-spectrum noise
34465323419Spread spectrum communication device
34475323418Code division multiple access (CDMA) inbound messaging system utilizing interference cancellation to recover inbound messages
34485321721Spread spectrum communication system and transmitter-receiver
34495319735Embedded signalling
34505315616Correlator for DSSS communications
34515315615DSSS communications correlation
34525313491Acquisition method for DSSS communications
34535313490Acquisition apparatus for DSSS communications
34545313457Code position modulation system and method for multiple user satellite communications
34555311544Receiver of a direct sequence spread spectrum system
34565311543Television transmission system using two stages of spead-spectrum processing
34575311542Spread spectrum communication system
34585309474System and method for generating signal waveforms in a CDMA cellular telephone system
34595305349Quantized coherent rake receiver
34605305348Spread-spectrum communication apparatus
34615303260Method and circuit for compensating for oscillator drift in a spread-spectrum communication system
34625303258Spread spectrum communications system
34635303257Carrier frequency correction for a DSSS communication system
34645301206Spread spectrum communication system
34655299229High rate-low rate PN code tracking system
34665299226Adaptive power control for a spread spectrum communications system and method
34675297162System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system
34685297161Method and apparatus for power estimation in an orthogonal coded communication system
34695293398Digital matched filter
34705291517Carrier freuency corrector for a DSSS communication system
34715291516Dual mode transmitter and receiver
34725289498Adaptive data recovery for spread spectrum systems
34735287387Low splatter peak-to-average signal reduction
34745285472System for determining the acquisition of, and frequency compensating, a phase modulated pseudonoise sequence signal
34755285471Spread spectrum receiving device
34765282222Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum
34775280538Spread spectrum demodulator
34785280499Spread spectrum communication system
34795280498Packet data communication system
34805278864Spread spectrum communication device
34815276705CCD demodulator/correlator
34825276704SAWC phase detection method and apparatus

1993

34835274667Adaptive data rate packet communications system
34845274665Polyopoly overlapping spread spectrum communication system and method
34855272721Spread spectrum receiving device
34865271034System and method for receiving and decoding global positioning satellite signals
34875268927Digital adaptive transversal filter for spread spectrum receivers
34885268926Method and apparatus for the simultaneous transmission of separate data signals
34895267271Signal analysis technique for determining a subject of binary sequences most likely to have been transmitted in a multi-node communication network
34905267260Spread spectrum receiver using the code division multiple access mode
34915265120Binary phase shift keying modulation system and/or frequency multiplier
34925263050Adaptive threshold in a spread spectrum communications system
34935263048Narrow band interference frequency excision method and means
34945263045Spread spectrum conference call system and method
34955262900Laser optics device
34965260969Spectrum diffusion communication receiving apparatus
34975260967CDMA/TDMA spread-spectrum communications system and method
34985253268Method and apparatus for the correlation of sample bits of spread spectrum radio signals
34995243622Direct-sequence spread-spectrum communication system with asynchronous despreading
35005241562Spread spectrum communications system
35015241561Radio receiver
35025239556Demodulation system for spread spectrum communication
35035237587Pseudo-noise modem and related digital correlation method
35045237586Rake receiver with selective ray combining
35055235616Bidirectional data transmission system
35065235614Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system
35075235612Method and apparatus for cancelling spread-spectrum noise
35085233626Repeater diversity spread spectrum communication system
35095231646Communications system
35105228056Synchronous spread-spectrum communications system and method
35115228053Spread spectrum cellular overlay CDMA communications system
35125224122Method and apparatus for canceling spread-spectrum noise
35135224120Dynamic capacity allocation CDMA spread spectrum communications
35145222100Range based acquisition system
35155222099Spread spectrum signal receiving apparatus
35165222075Transmitted code clock code-matching synchronization for spread-spectrum communication systems
35175220580Remote-control system with a spread-spectrum transmission link
35185218620Spread spectrum communication device
35195218619CDMA subtractive demodulation
35205217367Heating drum for receiving a printing blanket to be vulcanized
35215216693Spread spectrum communications system
35225216691Digital receiver for spread-spectrum signals
35235214669Code acquisition process and circuit for a spread-spectrum signal
35245210770Multiple-signal spread-spectrum transceiver
35255208830Process for searching for synchronization on reception of a spread spectrum modulated signal
35265208829Communication satellite system having an increased power output density per unit of bandwidth
35275204877Spread spectrum modulating device
35285204876Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
352952048754-ary correlator, matched filter, and decoder for coherent, direct sequence, spread spectrum applications
35305199045Communication apparatus
35315199044System for detecting position of object having data carrier
35325195105Spread spectrum receiver
35335189683Transceiver providing selectable frequencies and spreading sequences
35345187718Demodulator for spread spectrum communication
35355185762Spread spectrum microwave overlay with notch filter
35365181226Threshold level generator
35375181225Receiver for a DSSS signal
35385179574Spread PN code signal receiver
35395179572Spread spectrum conference calling system and method
35405179570Direct sequence spread spectrum communication system with self-synchronizing correlator and method
35415177766Digital clock timing generation in a spread-spectrum digital communication system
35425177765Direct-sequence spread-spectrum digital signal acquisition and tracking system and method therefor

1992

35435170410Direct sequence spread spectrum digital communication system employing sequence changing during transmission and transmitter and receiver implementing same
35445168508Spread spectrum receiver
35455168505Automatic gain control device for spread spectrum communication device
35465166952Method and apparatus for the reception and demodulation of spread spectrum radio signals
35475157689GOLD code generating device in a spread spectrum communication device
35485157688Spread spectrum transmitter for degrading spread spectrum feature detectors
35495157687Packet data communication network
35505157686Method and apparatus for the modulation of spread spectrum radio signals
35515155741High data rate long pulse compression waveform communication system for M-ary encoding voice messages for air traffic control systems
35525151921Spread spectrum communication device
35535151920Radio LAN station with improved frame delimiter detection in a spread spectrum environment
35545151919CDMA subtractive demodulation
35555150377Direct sequence spread spectrum (DSSS) communications system with frequency modulation utilized to achieve spectral spreading
35565146471Correlator for spread spectrum communications systems
35575144641Spread spectrum communication device
35585144640Correlation device for spectrum spread communication
35595144639Spread-spectrum communication system
35605142550Packet data communication system
35615138632Correlation pulse generating circuit
35625136614Spread spectrum communication system
35635136612Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
35645132986CSK communication system
35655132985Spread spectrum receiver
35665131006Carrier detection for a wireless local area network
35675128960Clock recovery for a wireless local area network station
35685128958Digital time error signal generator
35695128957Initial acquisition method in spread spectrum system and such system
35705121407Spread spectrum communications system
35715120997Spread spection signal detector
35725119396Binary phase shift keying modulation system
35735115448Spread spectrum receiver
35745111479Spread spectrum receiver and carrier sense circuit therefor
35755111478Method and apparatus for providing signal synchronization in a spread spectrum communication system
35765109390Diversity receiver in a CDMA cellular telephone system
35775105437Programmable digital acquisition and tracking controller
35785105436Spread spectrum receiver
35795103461Signal quality measure in packet data communication
35805103459System and method for generating signal waveforms in a CDMA cellular telephone system
35815101501Method and system for providing a soft handoff in communications in a CDMA cellular telephone system
35825101417Phase controlled synchronization for direct sequence spread-spectrum communication systems
35835101416Multi-channel digital receiver for global positioning system
35845099494Six channel digital demodulator
35855099493Multiple signal receiver for direct sequence, code division multiple access, spread spectrum signals
35865095493Wireless alarm system
35875093841Clock acquisition in a spread spectrum system
35885093840Adaptive power control for a spread spectrum transmitter
35895090023Spread spectrum communication system
35905084913Programmable multi-mode two-channel timing generator
35915081645Novel spread spectrum codec apparatus and method
35925081644Spread spectrum receiving device
35935081643Spread spectrum multipath receiver apparatus and method
35945081642Reciprocal saw correlator method and apparatus

1991

35955077754Tau-dither circuit
35965077753Radio communication system using spread spectrum techniques
35975073899Transmission system for sending two signals simultaneously on the same communications channel
35985073898Communication device
35995067136Wireless alarm system
36005063571Method and apparatus for increasing the data rate for a given symbol rate in a spread spectrum system
36015063560Spread-spectrum multiplexed transmission system
36025062122Delay-locked loop circuit in spread spectrum receiver
36035062121Spread spectrum communication device
36045060180Programmable digital loop filter
36055058128Spread spectrum communication receiver
36065048053Detecting and tracking circuit for component PN codes
36075048052Spread spectrum communication device
36085038363Correlation processing device using a surface acoustic wave convolver
36095038362Spread spectrum receiver
36105031191Spread spectrum signal demodulation circuit
36115031173Decoder for added asynchronous bit sequences
36125029183Packet data communication network
36135029181Automatic calibration device for direct spectrum spread receiver
36145029180Transceiver providing selectable frequencies and spreading sequences
36155025452Full-duplex, sub-band spread spectrum communications system
36165022049Multiple access code acquisition system
36175022047Spread spectrum correlator
36185020075Direct sequence spread spectrum modulation apparatus
36195016261Method and apparatus for achieving improved anti-jam performance via conversion gain
36205016257Receiver for bandspread signals, particularly GPS receiver
36215016255Asymmetric spread spectrum correlator
36225010557Mobile radio transmitter using band expanding method
36235008898Carrier modulating device for a spread spectrum communication device
36245003552Carrier aided code tracking loop
36254998261Spread spectrum signal demodulator
36264995052Demodulation method
36274993044Spread-spectrum communication receiver

1990

36284979183Transceiver employing direct sequence spread spectrum techniques
36294977578Spread spectrum communication system
36304977577Wireless alarm system
36314975926Wireless indoor data communication system
36324972430Spread spectrum signal detector
36334969159Spread spectrum communication system employing composite spreading codes with matched filter demodulator
36344965808Code tracking apparatus with improved resolution for spread spectrum receiver
36354965759Spread-spectrum receiver
36364964138Differential correlator for spread spectrum communication system
36374962507Feed forward spread spectrum signal processor
36384958359Communication apparatus
36394953178Spread spectrum communication system
36404943977Correlation pulse generating circuit in a spread spectrum receiver
36414943976Spread spectrum communication system
36424943975Spread spectrum communication receiver
36434943974Detection of burst signal transmissions
36444943973Spread-spectrum identification signal for communications system
36454942590Optimum clock generator in data communication
36464941150Spread spectrum communication system
36474933953Initial synchronization in spread spectrum receiver
36484933952Asynchronous digital correlator and demodulators including a correlator of this type
36494932036Spread spectrum squaring loop with invalid phase measurement rejection
36504930139Spread spectrum communication system
36514926440Spread-spectrum communication apparatus
36524922506Compensating for distortion in a communication channel
36534918707Spread spectrum demodulating device for spread spectrum communication system
36544918706Spread spectrum long loop receiver
36554912722Self-synchronous spread spectrum transmitter/receiver
36564912721Cable television spread spectrum data transmission apparatus
36574908837Receiver for spread spectrum communication
36584908836Method and apparatus for decoding multiple bit sequences that are transmitted simultaneously in a single channel
36594903279Receiver for spread spectrum communication and receiving method for the same
36604901307Spread spectrum multiple access communication system using satellite or terrestrial repeaters
36614899364Automatic gain control system
36624894842Precorrelation digital spread spectrum receiver
36634894841Digital direct-sequence spread-spectrum modem

1989

36644890297Burst jammer erasure circuit for spread spectrum receivers
36654888788Transmitting and receiving systems
36664884284Spread spectrum receiver
36674879726Spread spectrum communications system
36684875221Spread spectrum receiver
36694873699Method and device for coding and decoding a broadband transmission
36704866735Spread spectrum communicating method
36714866734Receiver for spread spectrum communication
36724862479Spread spectrum communication system
36734862478Spread spectrum communications with resistance to multipath at differential delays both larger and smaller than a chip width
36744860307Synchronization pulse generator in spread spectrum communication system
36754852121Coherent pseudonoise code tracking loop
36764847862Global positioning system course acquisition code receiver
36774847861Maximum length linearly occurring code sequence generator in a spread spectrum communication system
36784845726Maximum length linearly recurring sequence generator control device
36794841545Synchronous tracking device for direct spread spectrum receiver
36804841544Digital direct sequence spread spectrum receiver
36814837786Technique for mitigating rain fading in a satellite communications system using quadrature phase shift keying
36824835517Modem for pseudo noise communication on A.C. lines
36834833694Signal receiver
36844817113Range estimation using floating reference points
36854799062Radio position determination method and apparatus

1988

36864776012Method of jumping composite PN codes
36874774715Device for demodulating a spread spectrum signal
36884761795Receiver for bandspread signals
36894759034Multi-step spread spectrum communication apparatus
36904755983Dedicated message matched filter
36914730340Programmable time invariant coherent spread symbol correlator

1987

36924707839Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform
36934706286Method and circuit for extraction of Doppler information from a pseudo-noise modulated carrier
36944694467Modem for use in multipath communication systems
36954691326Spread-spectrum communication system
36964675839Receiver for a spread spectrum communication system having a time-multiplexed convolver
36974672658Spread spectrum wireless PBX
36984672629Receiver for bandspread signals
36994669089Suppressed clock pulse-duration modulator for direct sequence spread spectrum transmission systems
37004653076Timing signal correction system for use in direct sequence spread signal receiver
37014653069Spread spectrum correlation receiver
37024651327Decoder for spectrum diffusion signals
37034649549Apparatus for synchronizing linear PN sequences
37044648099Digital minimum shift keyed modulator
37054648098Signal generator and correlator for receiving minimum shift keyed data
37064644523System for improving signal-to-noise ratio in a direct sequence spread spectrum signal receiver
37074641322System for carrying out spread spectrum communication through an electric power line
37084639932Clock rate spread spectrum
37094638494System for the acquisition of code signals
37104635274Bidirectional digital signal communication system

1986

37114630283Fast acquisition burst mode spread spectrum communications system with pilot carrier
37124621365Synchronization preamble correlation detector and frequency estimator
37134611333Apparatus for despreading a spread spectrum signal produced by a linear feedback shift register (LFSR)
37144606039Spread spectrum coding method and apparatus
37154601047Code division multiplexer using direct sequence spread spectrum signal processing
37164599733Multilevel noise code mate pair generation and utilization of such codes
37174592009MSK surface acoustic wave convolver
37184587661Apparatus for synchronizing spread spectrum transmissions from small earth stations used for satellite transmission
37194584534Method and apparatus for demodulating a carrier wave which is phase modulated by a subcarrier wave which is phase shift modulated by baseband signals
37204575861Quadrature multiplexed post correlation IF channel
37214570265Random frequency offsetting apparatus for multi-transmitter simulcast radio communications systems
37224567588Synchronization system for use in direct sequence spread spectrum signal receiver

1985

37234561089Correlation detectors for use in direct sequence spread spectrum signal receiver
37244559633Spread spectrum system
37254559607Arrangement to provide an accurate time-of-arrival indication for a plurality of received signals
37264559606Arrangement to provide an accurate time-of-arrival indication for a received signal
37274550414Spread spectrum adaptive code tracker
37284545061Synchronizing system
37294538280Coherent spread spectrum pseudonoise tracking loop
37304530103Method and apparatus for baseband tracking of a PN code sequence in a spread spectrum receiver
37314528674Method and apparatus for baseband generation of a spread spectrum reference signal for use in an LMS adaptive array processor
37324517679Communication over noisy lines

1984

37334484335Method and apparatus for despreading a spread spectrum signal at baseband
37344470145Single sideband quadricorrelator
37354470138Non-orthogonal mobile subscriber multiple access system
37364468784Three-state digital mixer-driver circuit
37374462001Baseband linearizer for wideband, high power, nonlinear amplifiers
37384447907Multiple mixer spread spectrum modulation and method therefor
37394441194Triple bit non-coherent matched filter receiving system
37404435822Coherent spread spectrum receiving apparatus

1983

37414423517Code sequence synchronization system for spread spectrum communication receiver
37424418393Matched filter spread spectrum code recovery apparatus
37434387465Sequential threshold detector
37444385401Three-state digital mixer-driver circuit

1982

37454336616Discriminator aided phase lock acquisition for suppressed carrier signals
37464327438Receiving circuit in an interference-suppressing communications system comprising narrow-band conventional message modulation and additional pseudo-noise phase shift keying

1981

37474301537Means and method for maintaining synchronization of a spread spectrum or other receiver clock
37484291410Multipath diversity spread spectrum receiver
37494291409Spread spectrum communications method and apparatus
37504286333Data transmission
37514285060Spread spectrum code tracking loop
37524279018PN Lock indicator for dithered PN code tracking loop
37534253067Baseband differentially phase encoded radio signal detector
37544247939Spread spectrum detector
37554245326Impulse autocorrelation function code generator

1980

37564241312Self-calibrating threshold detector
37574234930Interleaved binary coded signal translation device
37584225976Pre-calibration of gain control circuit in spread-spectrum demodulator
37594206462Secure communication and ranging system
37604185241Communications system using time position modulation and correlation slope demodulation

1979

37614164628Processor for multiple, continuous, spread spectrum signals
37624149121Four phase to two phase correlator
37634134071SSMA Data transmission system

1978

37644122393Spread spectrum detector
37654121159Method for the synchronization of a transmission path

1977

37664045796Correlation system for pseudo-random noise signals
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017