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2017

19608786Method of transmitting sounding reference signal in wireless communication system
29591638Uplink coordinated multi-point
39584177Time to digital converter and phase locked loop
49577702Synchronization apparatus and method
59571985High accuracy indoor locating system
69565672Techniques for improved multicast content delivery
79559846Method of processing a data packet before transmission over a radio communications network, a method of processing a received data packet, and associated devices and systems
89559748Methods and apparatuses using filter banks for multi-carrier spread spectrum signals
99556727Method and apparatus for acoustic downhole telemetry and power delivery system using transverse or torsional waves
109553632Wireless communications method, user equipment, base station and system
119553631Navigation signal transmitting apparatus, location information providing apparatus, method for transmitting navigation signal, and method for providing location information
129544012Method and apparatus for controlling power source semiconductor
139537677Individually identifiable surface acoustic wave sensors, tags and systems
149537595Downlink power control for multiple downlink time slots in TDD communication systems

2016

159531430Device and method for determining the arrival time of a UWB signal
169528243Iterative method, and apparatus for acquiring time and frequency synchronization in a DSSS receiver
179525574Methods and apparatus for constant baud rate communication with varying effective data rate
189525457Spread spectrum clock generation using a tapped delay line and entropy injection
199525454Wireless communication method
209516454Near-field communication system terminal
219509367Method and apparatus for channel mitigation using per-tone spreading in single carrier block transmissions
229491634Signal buffering for licensed shared access (LSA) technology
239479379Narrowband OFDM (NOFDM) transceiver for powerline communications (PLC)
249479217Method and apparatus for communicating data in a digital chaos cooperative network
259479216Spread spectrum method and apparatus
269473580System and associated methodology for proximity detection and device association using ultrasound
279455763Evaluation of compressed sensing in UWB systems with NBI
289455733System and method for spread spectrum ADC noise reduction
299453919Method for acquiring a gold sequence by double iterative decoding
309453409System and method for spread spectrum based drill pipe communications
319450716Cross-correlated digital wireless communication system
329450683System, method and apparatus for communication that is insensitive to a sampling clock error
339450641All-digital spread spectrum clock generating circuit with EMI reduction effect and a method for controlling the same
349444548Wavelet-based processing for fiber optic sensing systems
359438305Method for transmitting non binary error correcting code words with CCSK modulation, and corresponding signal and device
369438304Ultra wideband modulation for body area networks
379435877Ultra-wideband location engine for self-shopping devices
389432152Video multimode multimedia data communication systems
399419676Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
409413816Protection against the detection of alert signals
419413601Channel reuse among communication networks sharing a communication channel
429413525Semiconductor device
439407317Differential ultra-wideband indoor positioning method
449397723Spread spectrum wireless over non-contiguous channels
459396155Envelope detection device and related communication device
469392451Systems/methods of conducting a financial transaction using a smartphone
479391658Method and apparatus for cancellation of interference from a spread spectrum phase lock loop
489385777Asymmetrical forward/reverse transmission bandwidth
499373251Base station devices and automobile wireless communication systems
509369866Methods and apparatuses using filter banks for multi-carrier spread spectrum signals
519356979Time and frequency synchronization for LTE-advanced new carrier type
529356648Frequency offset acquisition for wireless communications
539356646Chirp spread spectrum system and method
549350418System and method of using variable pulses for symbology
559332429Systems/methods of adaptively varying a spectral content of communications
569331739System and method for transmitting ancillary data
579326295Method and apparatus for transmitting a-priori information in a communication system
589319096Ultrasonic communication between devices
599313075Methods and arrangements for channel updates in wireless networks
609306779Chaotic communication systems and methods
619300455Method of transmitting sounding reference signal in wireless communication system
629295061Method of selecting transmission parameter and dynamic spectrum allocation apparatus
639294315Modulation and equalization in an orthonormal time-frequency shifting communications system
649281861Low power ultra wideband transceivers
659270313Wireless receiver and method for wireless reception
669265035Method and base station for transmitting a data block
679264099Frequency-block hopping
689264098Process for finger insertion and removal in a rake receiver and receiver for carrying out the process
699264095Ultra-wideband signal amplifier
709252906Communication system, transmitter apparatus and receiver apparatus
719252841Building, transmitting, and receiving frame structures in power line communications
729252836Method, devices and chip block for DS-CDMA
739252835Time-phase-hopping modulation and demodulation of multiple bit streams with phase-change frequency control, such as for wireless chip area network
749252834Low power long range transmitter
759247510Use of correlation combination to achieve channel detection
769246537Method for determining the arrival time of a UWB pulse and corresponding receiver

2015

779225385Method for spreading a plurality of data symbols onto subcarriers of a carrier signal
789219522Code division multiple access transmission antenna weighting
799215587Methods and apparatuses for self-generating fault-tolerant keys in spread-spectrum systems
809197392Transmitting spread signal in communication system
819191129Method for determining the arrival time of a UWB pulse with a double quadrature receiver
829191058Chirp communications
839185553Systems/methods of preferential communications
849178551Circuits and methods for pulse radio receivers
859173566DNA, blood, heart, glucose, body temperature, skin and other medical diagnostic communications
869166649Method of detecting interference in a satellite radio-navigation signal by detecting a deformation of the correlation function
879166648System and method for time adjustment in a time synchronized channel hopping network
889160401Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system
899154348Systems and methods for improving communication sensitivity
909148195Mode hopping spread spectrum modulation
919143254Downlink power control for multiple downlink time slots in TDD communication systems
929143187Ultra wideband modulation for body area networks
939130816System and method for transmitting and receiving signal with quasi-periodic pulse sequence
949124400Method and apparatus for transmitting/receiving uplink signaling information in a single carrier FDMA system
959124358Passive wireless connection
969124357Media access control for ultra-wide band communication
979112592System and method for chirp-based transmission
989112571Method for correlating a received satellite radio-navigation signal and correlation device implementing the method
999100250Pre-phase error correction
1009094169ACKNAK and CQI channel mapping schemes in wireless networks
1019094107Orthogonal frequency chirp multiple accessing systems and methods
1029088349System and method for transmitting and detecting spread spectrum signals
1039088348System and method for obtaining frequency and time synchronization in a wideband communication system
1049088345Transmission of information in a wireless communication system
1059083444Chirp spread spectrum system and method
1069077444Method and apparatus for late entry in asynchronous frequency hopping systems using random permutation sequences
1079077441System and method of using variable pulses for symbology
1089077377Transmission device and reception device for communication in an environment with strong external noise, and transmission method and reception method for the same
1099071340Method and apparatus for generating orthogonal codes with wide range of spreading factor
1109065548Chirp communications
1119048992Transmitting spread signal in communication system
1129036682Phase multi-path mitigation
1139031141Modulation and equalization in an orthonormal time-frequency shifting communications system
1149014236Method, apparatus, receiver, computer program and storage medium for joint detection
1159008594Method and system of adaptive communication in the HF band
1169001864Apparatus and method for producing or reproducing a complex waveform over a wide frequency range while minimizing degradation and number of discrete emitters
1178995511Emulation and controlled testing of MIMO OTA channels
1188976838Apparatus for assigning and estimating transmission symbols
1198976060RF chirp signal propagation delay measurement
1208971379Chirp modulation
1218934519RAKE or G-RAKE receiver structure for downlink transmit diversity signals
1228929420Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system

2014

1238923362Wireless communications system with secondary synchronization code based on values in primary synchronization code
1248917756Wireless communications system with secondary synchronization code based on values in primary synchronization code
1258861431Apparatus and method for mixed signal spread spectrum receiving technique
1268842718Method of capturing satellite signal and device for capturing satellite signal
1278837449Universal integrated circuit card updates in a hybrid network
1288811453Dynamic power scaling of an intermediate symbol buffer associated with covariance computations
1298787421Transmitting spread signal in communication system
1308780957Optimal weights for MMSE space-time equalizer of multicode CDMA system
1318780954Wireless communication apparatus and wireless communication method
1328731021All digital implementation of clock spectrum spreading (dither) for low power/die area
1338723721Optimized multistatic surveillance system
1348705588Systems and methods for using code space in spread-spectrum communications
1358693523QAM CDMA and TDMA communication methods
1368687670Paging channel prediction for bluetooth paging procedure
1378681834Wireless communications system with secondary synchronization code based on values in primary synchronization code
1388644364Method and system for computing a cell normalization factor by sharing arithmetic units in a rake receiver to reduce overall implementation area
1398638877Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences
1408630332GNSS signal processor
1418625656Channel estimation for wireless communication
1428625509Method of transmitting signal in wireless communication system and apparatus thereof

2013

1438619834Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system
1448611394Reception device
1458611310PN generators for spread spectrum communications systems
1468605771Data to pilot ratio estimation
1478599905Processor for use as a path searcher of a spread spectrum receiver and a method of operation of the processor
1488594157Cancellation of pilot and traffic signals
1498594155Multi-carrier transmitter design on adjacent carriers in a single frequency band on the uplink in W-CDMA/HSPA
1508594153Spread-spectrum receiver with progressive fourier transform
1518594151Pilot sequence detection
1528594150Dual adaptive frequency hopping system and method
1538582626Transmitting spread signal in communication system
1548582622Spread-spectrum coding of data bursts
1558576893Systems and methods for high data rate ultra wideband communication
1568548026Enhanced uplink packet transfer
1578542715Ship based cellular and satellite communication
1588537879MIMO design with codebook restrictions
1598509836Combined open loop/closed loop method for controlling uplink power of a mobile station
1608503501Spread spectrum clock generation circuit and a method of controlling thereof
1618498323Zonal UWB receiver and method
1628483334Automatic gain control apparatus and method using effective receiving structure of impulse radio ultra-wide band wireless communication system
1638483185Data transmission method, and system
1648477937Methods and systems for providing interference based physical-layer encryption
1658477827Spread-spectrum coding of data bursts
1668472504Method for optimizing an acquisition of a spread-spectrum signal from a satellite by a mobile receiver
1678472501Human body communication apparatus for non-contact communications and human body communication method for non-contact communications in the same using frequency selective baseband
1688472500Joint demodulation and synchronization in ultra wideband systems
1698472497Millimeter wave beaconing with directional antennas
1708442095Multiple correlation processing in code space search
1718437380Channel estimation for wireless communication
1728432951Methods for transmitting and receiving a multicarrier spread-spectrum signal, corresponding signal, computer program products and transmission and reception devices
1738432950Radio control transmitter and method for communication in the same
1748428107Code detection by using genetic algorithms
1758428101System and method for interference triggered frequency hopping
1768422601Spread spectrum signal processing
1778422536Spread spectrum clock signal generator method and system
1788422535Frequency selective digital transmission apparatus
1798422532Radio communication device and response signal spreading method
1808406327Wireless communication apparatus, wireless communication system, and transmission method
1818369381Method, transmitter and receiver for spread-spectrum digital communication by Golay complementary sequence
1828369378Transmitting spread signal in communication system

2012

1838340156Methods of synchronizing with first multipath component in ultra wideband receiver and ultra wideband receivers using the same
1848335244Data transmission method, network device, and communication system
1858320428Spread spectrum clock generator with controlled delay elements
1868316225Automated integration of fault reporting
1878315290UWB multi-burst transmit driver for averaging receivers
1888295332Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
1898290024Methods and apparatus to facilitate improved code division multiple access receivers
1908290019Radio controlled model apparatus, controller for radio controlled model apparatus, and frequency hopping pattern selection method
1918265122Receiver
1928265120Parallel sequence spread spectrum type chaotic signal transmission device
1938265119Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system
1948259782Method and device for estimating a gaussian white noise power in a channel, and receiver
1958249128Enhanced ultra wide band signal detection using an ultra wide band kernel
1968238407High-frequency wireless peripheral device with auto-connection and auto-synchronization
1978229053Low-jitter spread-spectrum clock generator
1988223820Method and apparatus for symbol synchronization for an 802.15.4 radio platform
1998218606Method and apparatus for direct estimation of impairment correlations for received signal processing
2008208514Successive interference canceling for CDMA
2018204099Signal processing unit and wireless communication device
2028194719Method and apparatus for maximizing standby time in remote stations configured to receive broadcast databurst messages
2038179945Radio transmitter device
2048170079Code division multiple access signaling for modulated reflector technology
2058165186Channel estimation for wireless communication
2068160118UWB dual burst transmit driver
2078160117Line rate spread spectrum clock generator for use in line imaging systems
2088155170Method and apparatus for achieving channel variability in spread spectrum communication systems
2098155167Low complexity frequency hopping solution for performance testing system and method
2108144751Satellite signal receiver apparatus and satellite signal reception method
2118144747Primary and secondary synchronization codes from first, second, third sequences
2128134420Communication apparatus and signal processing method thereof
2138117027Method and apparatus for introducing information into a data stream and method and apparatus for encoding an audio signal
2148107511Apparatus and method for intelligent frequency-hopping discovery and synchronization
2158107510Method and apparatus for non-cooperative coexistence between wireless communication protocols
2168102897Direct sequence spread spectrum system and method with plural chipping rates
2178098754Midamble allocations for MIMO transmissions
2188094698Method for generating a spread spectrum clock and apparatus thereof
2198094071Method of reception and receiver for a radio navigation signal modulated by a CBOC spread wave form
2208090053Midamble allocations for MIMO transmissions

2011

2218081757Blind watermarking of audio signals by using phase modifications
2228081673Systems and methods for processing spread spectrum signals
2238072277Spread spectrum frequency synthesizer
2248050309Multipath discriminator module for a navigation system
2258044745Method and apparatus for applying clock phase and frequency offset
2268023399Channel estimation in a wireless communication system
2278018987Transmitting spread signal in communication system
2288018984Transmitting spread signal in communication system
2298009723Measurement of baseband timing in a spread spectrum communications system
2308009720Transmitting spread signal in communication system
2318009719Digital spread spectrum method based on precise phase delta-sigma algorithm
2327983320Ultrawide-band communication system and method
2337961774Multipath interference-resistant receivers for closed-loop transmit diversity (CLTD) in code-division multiple access (CDMA) systems
2347961773Weighted open loop power control transmitter
2357957454Transmitter, receiver, and data communications system and method
2367953141Interference reduction receiver
2377953139Interference cancellation in a spread spectrum communication system
2387953136Transmission circuit and system for the same
2397949034Apparatus and method for estimating uplink frequency offset in wireless communication system
2407944961Systems and methods for improving pull-in performance in GPS signal processing
2417940871Reduced-complexity antenna system using multiplexed receive chain processing
2427940834Signal receiver using data bit search in alternating time segments
2437940831Direct sequence spread spectrum system and method thereof
2447933311Data transmission using repeated sets of spreading sequences
2457929592Channel estimation device and method, demodulation device and method, and fading frequency decision device and method
2467924953Apparatus and method for detecting time-frequency code in MB-OFDM UWB system
2477924908Rake receiver interface
2487924907Apparatus and method for spreading/de-spreading data using pair of child orthogonal variable spreading factor codes
2497917103WLAN and wired mobile communication and location finding system
2507912112Spectrum spreading circuit
2517912111Dynamic switching of carrier tracking loops without loss of tracking information
2527889779System and method for rapid generation of low PAR Q-mode signals
2537885313Method and apparatus for cooperative coexistence between wireless communication protocols

2010

2547860152Wireless communications system with secondary synchronization code based on values in primary synchronization code
2557848389Method and apparatus for scaling parameter estimation in parametric generalized rake receivers
2567839960System and method for generating signal waveforms in a CDMA cellular telephone system
2577839914Method and apparatus for channel estimation to electro-magnetic wave multi path between sender and receiver by using chirp signal
2587835422Semiconductor device
2597826517Inter-carrier interference cancellation method and receiver using the same in a MIMO-OFDM system
2607822106Enhanced rake structure
2617822103Fast joint detection base station
2627822099Digital Gaussian noise simulator
2637817744Wireless communication apparatus and data multiplexing method
2647817707Apparatus and method for generating ranging pseudo noise code
2657813412Radio base station apparatus, and despreading processing apparatus therefor
2667813410Initiating spread spectrum modulation
2677813408Wireless communications device with white gaussian noise generator and related methods
2687804883Method and system for frequency hopping radio communication
2697801201Receiver for a CDMA system
2707800451Frequency adjustment for clock generator
2717796681MIMO-OFDM receiver processing
2727796679Rake receiver
2737787519Preamble transmission method, mobile station, mobile communication system, preamble transmission program and computer data signal
2747787518Method and apparatus for selectively applying interference cancellation in spread spectrum systems
2757782923Wireless communication system and device for controlling the peak to average power ratio
2767764728Apparatus and method for reducing complexity of matched filter
2777764725Sub-banded ultra-wideband communication system
2787756191Deconvolution searcher for wireless communication system
2797746920Method of generating an index value
2807746918Bit synchronization method and system for a GPS
2817738532Method and apparatus of channel estimation in an intra-frequency cell
2827733943Method and system for temporal autocorrelation filtering
2837729449Digital signal processing and receiving apparatus and method
2847729413Spread spectrum receiver with multi-bit correlator
2857729412Parameter estimator with dynamically variable integration time
2867714777Semiconductor device for spread spectrum radar apparatus
2877711044Noise reduction systems and methods
2887711034Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification
2897711032Method, transmitter and receiver for spread-spectrum digital communication by Golay complementary sequence modulation
2907711026Method and apparatus for applying codes having pre-defined properties
2917706470Acquisition method for global positioning system
2927706426Method for estimating one or more parameters of a ultra wideband signal and a receiver system for receiving ultra wideband signals
2937701997Fast hopping frequency synthesizer using an all digital phased locked loop (ADPLL)
2947701996Methods and apparatus implementing short and long code channel overlay for fast acquistion of long PN codes in spread spectrum communications systems
2957697597Apparatus for calculating decision parameters in an IMT-2000 system
2967697595Interference cancellation in variable codelength systems for multi-access communication
2977694108Reconfigurable semiconductor device capable of controlling output timing of data
2987693241Rake receiver finger assignment based on signal path concentration
2997693209Method for carrier frequency offset fine estimation in TD-SCDMA system
3007688920AFC wrap-around detection
3017684474Method and apparatus for demodulating signals processed in a transmit diversity mode
3027684472Method and apparatus for frequency-robust detection of a wideband code division multiple access secondary synchronization channel
3037680176Simplified generalized rake receiver method and apparatus
3047680173Spread spectrum clock generator having an adjustable delay line
3057675960Method for generating communication signal sequences having desirable correlation properties and system for using same
3067672360Channel estimation for time division duplex communication systems
3077668225Multi-MOK modulation/demodulation transmission process, corresponding transmitter and receiver
3087664163Receiver
3097664162High-frequency wireless peripheral device with auto-connection and auto-synchronization
3107656965Method of secure WLAN communication
3117656934Wireless communications system with secondary synchronization code based on values in primary synchronization code
3127653121Power level measuring device and a mobile station
3137643541Device and method for determining a correlation value
3147643539Multi-path equalizer configuration technique
3157642952Spread spectrum radar apparatus

2009

3167639726Downlink communication
3177639725System and method for multi-phase composite PN code generation
3187636384Method for detecting the orthogonal code CDMA signal
3197633993Method and system for modulating and demodulating signals in ultra-wide band (UWB) communication systems
3207623566Method and apparatus for demodulating signals processed in a transmit diversity mode
3217623562Initial synchronization acquiring device and method for parallel processed DS-CDMA UWB system and DS-CDMA system's receiver using the same
3227620098Enhanced method for demodulating constant-amplitude multi-code biorthogonal modulation signals
3237616965Method and apparatus for calculating a device location
3247616680Method for processing data in a spread spectrum system
3257616679Method and apparatus for searching cells utilizing down link preamble signal
3267616678Multi-carrier constant envelope signal scheme for power and bandwidth efficient communications
3277613223Time-frequency coding in a multi-band ultra-wideband system
3287609786Channel estimation for a communication system using spectral estimation
3297609775Radio communication apparatus and communication method
3307609747Radio frequency communication network having adaptive communication parameters
3317606537System and method for transmitting data via wave reflection
3327606334Channel estimation using pilot symbols
3337606296Decoding method and apparatus
3347606287Radio frequency communication network having adaptive communication parameters
3357602840Acquisition of a gated pilot
3367602837Beamforming for non-collaborative, space division multiple access systems
3377599425Multiple channel joint decoding at mobile handset
3387599423Successive interference canceling for CDMA
3397599418Method and apparatus for a frequency hopper
3407596170Coherent detection without transmission preamble
3417596169Method of geometric harmonic signal modulation
3427593453Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system
3437590163Spread spectrum clock generation
3447586980Apparatus for coherent combining type demodulation in communication system and method thereof
3457580445Nonlinear precoding in code-division multiple access communication system
3467580443Clock generating method and clock generating circuit
3477579985Positioning apparatus, control method of positioning apparatus, control program for positioning apparatus, and computer readable recording medium for storing control program for positioning apparatus
3487577187Method of noise factor computation for chip equalizer in spread spectrum receiver
3497577180Method and system for maintaining synchronization in low-power mode over a frequency hopping radio link
3507573934Spread spectrum rake receiver
3517567636Method and apparatus for performing signal correlation using historical correlation data
3527564891Method of using long cellized codes in a joint detection system
3537561638Demodulation apparatus and receiving apparatus
3547561615Method and apparatus for compensating for phase noise of symbols spread with a long spreading code
3557555056Communication apparatus and method
3567555032Signal receiver using alternating time segments
3577551682Method for improving the performance of a wireless network utilizing beamforming weighting vectors
3587551670UWB communication device and UWB communication method
3597548576Self organization of wireless sensor networks using ultra-wideband radios
3607545846Interference cancellation in a spread spectrum communication system
3617542529Wireless receiving device suppressing occurrence of reception error
3627539239Apparatus for rapid PN code acquisition
3637535950Blind selected mapping techniques for crest factor reduction of forward link CDMA signals
3647532660System and method for transmitting /receiving a signal in a mobile communication system using a multiple input multiple output adaptive antenna array scheme
3657532659Weighted open loop power control transmitter cross reference to related applications
3667526041Channel estimation circuit and channel estimation method
3677526014Correlator for spread spectrum receiver
3687526013Tag communications with access point
3697519103Pre-phase error correction transmitter
3707515160Systems and methods for color preservation with image tone scale corrections
3717508866Acquisition matched filter for W-CDMA systems providing frequency offset robustness
3727505507Apparatus and method for generating a transmit sequence and apparatus and method for retrieving information
3737498981Method and apparatus for real-time digital processing of satellite positional signals for fast acquisition and low SNR tracking
3747496131Radio reception system that can remove interference signal component
3757496130Method and apparatus for predicting a signalling code corresponding to a code spur
3767495610System and method for decimating global positioning system signals
3777486736Apparatus and method for direct measurement of channel state for coded orthogonal frequency division multiplexing receiver
3787486715Narrow-band integer cycle or impulse modulation spectrum sharing method
3797480324Ultra wide band communication systems and methods
3807474705Scalable ultra-wide band communication system
3817474689Channel estimation for time division duplex communication systems

2008

3827471660Identical puncturing of UE identification data and load data in the HS-SCCH channel
3837466741Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system
3847463700Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification
3857463671Rake receiver interface
3867457372Data transmission/reception apparatus and method for achieving both multiplexing gain and diversity gain in a mobile communication system using space-time trellis code
3877457350Communications systems and methods
3887454327Method and apparatus for introducing information into a data stream and method and apparatus for encoding an audio signal
3897453923Interference suppression, method and device, in reception, for a wideband radio signal
3907450632Apparatus and method for performing a demodulation operation based on transmit diversity in a mobile communication system
3917450631Metric correction for multi user detection, for long codes DS-CDMA
3927447270Method for controlling the data signal weighting in multi-element transceivers and corresponding devices and telecommunications network
3937447258Method for performing reacquisition in a positioning receiver, and an electronic device
3947443905Apparatus and method for spread spectrum clock generator with accumulator
3957436877Method and apparatus to perform surgical reactive jamming while maintaining simultaneous tactical communications
3967433392Wireless communications device performing block equalization based upon prior, current and/or future autocorrelation matrix estimates and related methods
3977433391Spread-spectrum receiver with fast M-sequence transform
3987426244Telecommunications system and receiver
3997426233Method and system for fast acquisition of ultra-wideband signals
4007421011Performing an acquisition in a receiver
4017421007Transmission/reception digital circuit in CDMA system
4027418029Method and system for fast acquisition of ultra-wideband signals
4037411996Signal path searching method and apparatus thereof in mobile communication system provided with plurality of array antenna elements
4047408976MIMO-OFDM receiver processing with frequency and channel estimation
4057406115Method for evaluating spread spectrum radar and spread spectrum radar
4067403557Apparatus and method for hybrid traffic and pilot signal quality determination of finger lock status of rake receiver correlators
4077400666Method for generating communication signal sequences having desirable correlation properties and system for using game
4087397883Spread spectrum type clock generation circuit for improving frequency modulation efficiency
4097397841Wide band communication reception apparatus and method
4107397839OFDM communication system and method
4117394866Ultra wideband communication system, method, and device with low noise pulse formation
4127394843Spread spectrum verification circuit
4137391805Method and apparatus for transferring signals in a wireless communication system
4147391804Spread spectrum communication method and system using diversity correlation and multi-user detection
4157382820Spread spectrum modulation system and method for embedding digital information into digital or analog media
4167379492Adaptive modulation coding system and method in a mobile communication network
4177376174Rake receiver architecture for an ultra-wideband (UWB) receiver
4187376170Digital imbalance correction method and device in a receiver for multi-carrier applications
4197372896Iterative detection and decoding for a MIMO-OFDM system
4207372895Method of and system for delay estimation with minimized finger allocation
4217372891Signal generator and decoder
4227372889Mobile station capable of and a method for generating chip patterns for transmission
4237369601Code division multiple access receiver
4247369598Ultra-wideband receiver and transmitter
4257366224System and method for the detection of presence of a signal and its synchronization, for a frequency hopping system working in a disturbed environment
4267366222Wireless communication system and method using grouping maximum likelihood detection
4277366201Method and apparatus for vector based sequence generation
4287362861Methods and apparatus for protecting information content
4297362792Method of and apparatus for computation of unbiased power delay profile
4307362791Method and apparatus for domain transformation multiple signal processing
4317359426Method and system for modulating and demodulating signals in ultra-wide band (UWB) communication systems
4327359425Ultra-wideband transmitter and receiver, and ultra-wideband wireless communication method
4337359399CDMA path protection method based on path protection information
4347356074Estimation of multipath channel with sub-chip resolution
4357356073Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual-interference (SPRI) detector
4367356067Spread spectrum verification circuit
4377349462Acquisition and adjustment of gain, receiver clock frequency, and symbol timing in an OFDM radio receiver
4387349458Linear receivers for time-hopping impulse radio systems
4397349457Broadband frequency agile signal characterization
4407346095Spread spectrum clock generator with controlled delay elements
4417339977Signal strength assisted searcher and acquisition
4427336699Method and apparatus for code identification in wireless applications
4437336696Acquisition of a code modulated signal
4447333528Multiuser DSSS-OFDM multiband for ultra wideband communications
4457330521Correlator and receiver including the same
4467327778Multi-mok modulation/demodulation transmission process, corresponding transmitter and receiver
4477324582System and method for the directional reception and despreading of direct-sequence spread-spectrum signals
4487324580Method and apparatus for achieving channel variability in spread spectrum communication systems
4497321609System and method for detecting PN code phase
4507319712Orthogonal code generation apparatus, scrambling code generation apparatus and portable radio terminal using such apparatus
4517317748Methods and apparatus for transmitting and receiving randomly inverted wideband signals
4527315564Analog signal separator for UWB versus narrowband signals

2007

4537313169CDMA demodulation circuit, CDMA mobile communication demodulation method used therefor, and storage medium recording program thereof
4547313168Method and apparatus for receiving a CDMA signal
4557313166Multicode receiver
4567313164Method and system for switching and detecting PN codes for fast acquisition of burst signal
4577313086OFDM receiver, semiconductor integrated circuit and OFDM method for receiving a signal
4587310364Multirate, constant envelope, constant bandwidth, modulation, channelization and detection system based on orthogonal bipolar spreading vectors
4597305020Method and system of reducing electromagnetic interference emissions
4607301991Fading frequency decision device and method
4617301987Background processing and searching for a communication channel
4627301985Pseudo-noise code hopping method and apparatus
4637298780Multiple access using different codes lengths for global navigation satellite systems
4647295597Receiver processing systems
4657295596Reduced computation in joint detection
4667295594Device for low-interfernce signal transmission
4677292618Fast hopping frequency synthesizer using an all digital phased locked loop (ADPLL)
4687292617Reducing mutual channel interference in frequency-hopping spread spectrum wireless communication systems
4697289550Weighted open loop power control system
4707286592Method and apparatus for receiving a signal
4717286591Synchronizing position detecting circuit
4727283578System and method to adjust searcher threshold parameter of rake receiver
4737280623Digital RF correlator for multipurpose digital signal processing
4747280588Correlation module for use in a radio receiver
4757280579Matched filter for scalable spread spectrum communications systems
4767277472Estimation method of flat fading channel in CDMA communication system and apparatus for the same
4777274728Adaptive channel estimation using continuous pilot signal based on doppler period
4787274727Circuit for detecting a shifted frequency, a method for detecting a shifted frequency and portable communication apparatus
4797272162Transmitter and receiver for spread-spectrum communication system, and modulation and demodulation methods thereof
4807269201Time-delayed transmitted reference spread spectrum transmitter with digital noise generator
4817269200Frequency hopping communication device with simple structure
4827266165Code distinguishing apparatus
4837263119Decoding method and apparatus
4847260056Channel estimation in a wireless communication system
4857257153Method of synchronizing a receiver, and a receiver
4867257152Method and apparatus for reducing the processing rate of a chip-level equalization receiver
4877254162CDMA receiver performing a path search, path search method, and program therefor
4887254161Method for frequency offset estimation in a direct sequence spread spectrum communications receiver
4897254159High-frequency wireless peripheral device with auto-connection and auto-synchronization
4907254157Method and apparatus for generating a phase locked spread spectrum clock signal
4917251282Receiver and method to detect and synchronize with a symbol boundary of an OFDM symbol
4927248624Bit synchronization in a communications device
4937248621Method for allocating secondary synchronization codes to a base station of a mobile telecommunication system
4947242708Equalized parallel interference cancellation EPIC for CDMA systems
4957242707Multiband ultra wideband communications
4967239707Staggered pulse acquisition method and apparatus
4977239658Coherent demodulation of hopped MSK waveforms system and method
4987236516RAKE receiver device
4997236512Code channel allocations in a wireless communications system
5007236510Equalizer with decision feedback frequency tracking and bit decoding for spread spectrum communications
5017236509Method of communicating information between a transmitter and a receiver using ultrawideband signals
5027230973Multi-user detection method with accelerated sphere decoding
5037230971Random number generator
5047230970Apparatus and method for locating nonlinear impairments in a communication channel by use of nonlinear time domain reflectometry
5057227887Apparatus and method for moving PN hypothesis in high speed searcher
5067227885Correlation method in a communication system and apparatus
5077227884Spread-spectrum receiver with progressive fourier transform
5087224720Correlator and delay lock loop circuit
5097224717System and method for cross correlation receiver
5107224716Communication methods and apparatus employing spread spectrum techniques and doppler-tolerant polyphase codes
5117224711System and method for the mitigation of spectral lines in an ultrawide bandwidth transceiver
5127221701System and method for CDMA communications
5137218668Wireless communications systems and methods for virtual user based multiple user detection utilizing vector processor generated mapped cross-correlation matrices
5147209513Phase, frequency and gain characterization and mitigation in SCDMA burst receiver using multi-pass processing
5157206331Transmission method for paging indication channels in code division multiple access mobile communication system
5167203464Rake receiver having several fingers and method of processing an incident signal therein
5177203250Frequency analysis method and apparatus, and spectrum spreading demodulation method and apparatus
5187200164Packet-based multiplication-free CCK demodulator with a fast multipath interference cipher
5197200163Method of splitting a signal and signal processing circuitry and apparatus utilizing the same
5207197065Region searcher and method of driving the same and code searcher using the same
5217197064Signal receiver having signal acquisition at low signal strength using interleaved time segments
5227197062Method and apparatus to detect and decode information
5237194018Apparatus for searching multipath in spread spectrum communications system and method thereof
5247190713Phase error correction using despread signals
5257190710Successive interference canceling for CMDA
5267187708Data buffer structure for physical and transport channels in a CDMA system
5277187706Handoff and source congestion avoidance spread-spectrum system and method
5287187705Analog spread spectrum signal generation circuit
5297184465Signal processing method and apparatus for a spread spectrum radio communication receiver
5307184463Method and apparatus for demodulating signals processed in a transmit diversity mode
5317184460Spread spectrum communication system with automatic rate detection
5327184459Method and apparatus for concurrently processing multiple calls in a spread spectrum communications system
5337180932Data rate estimation in a communication system
5347177348Multipath receiver of a spread spectrum communication system with dynamic matched filter and efficient signal combiner
5357177346Radio reception system that can remove interference signal component signal component of another user from a reception signal
5367177344Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving implicit waveform subtraction
5377177342Apparatus and method for transmission beam forming of antenna array in a mobile communication system
5387173960Telecommunications system and receiver
5397171561Method and apparatus for detecting and extracting fileprints
5407170952System and method for post filtering peak power reduction in communications systems
5417170926Efficient multiple input multiple output system for multi-path fading channels
5427170924System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system
5437170923Apparatus and method for detecting discontinuous transmission period in a CDMA mobile communication system
5447170922Transmission timing control device, digital roll-off filter, and mobile radio terminal for digital radio communication
5457167502Zero-overhead symbol rate adaptation system for OVSF code
5467167059Circuit for generating spread spectrum clock
5477164706Computational methods for use in a short-code spread-spectrum communications system
5487164705Method and apparatus for generating complex four-phase sequences for a CDMA communication system
5497161996Multi-antenna wireless receiver chains with vector decoding
5507161976Interference canceller
5517161971Sending transmission format information on dedicated channels
5527161970Spread spectrum clock generator
5537161920High rate, time division multiplexed, multi-MPSK MODEM with imbedded high signal-to-noise ratio tracking channel
5547158556Reliable conveyance of orthogonal space information

2006

5557154936Iterative detection and decoding for a MIMO-OFDM system
5567154935Method for receiving radio signals in a mobile station and a mobile station
5577151792Spread spectrum rake receiver
5587151791Device for regenerating data from signals transmitted through plural antenna
5597151478Pseudo-orthogonal waveforms radar system, quadratic polyphase waveforms radar, and methods for locating targets
5607149258Method and apparatus for estimation of phase offset between communication channels
5617149241Mobile station and method for allocating finger thereof in CDMA communication system
5627149238Highly bandwidth-efficient communications
5637145941Reduction in power consumption in CDMA receiver terminal when signal is received in transmission diversity mode
5647145940Pilot transmission schemes for a multi-antenna system
5657145938Apparatus producing continuous stream of correlation values
5667145933Method and apparatus for generating random signals
5677142585Adaptive code-tracking receiver for direct-sequence code-division multiple access (CDMA) communications over multipath fading channels and method for signal processing in a rake receiver
5687142584Synchronizing a bash station and a mobile station
5697142582Receiving and selectively transmitting frequency hopped data signals using a plurality of antennas
5707142579Apparatus for providing high quality audio output by median filter in audio systems
5717142578Single beamforming structure for multiple modulation schemes
5727139306Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving pre-maximal combination matched filter outputs
5737139305Configurable terminal engine
5747139302Code division multiple access enhanced capacity system
5757139256Method and system for detecting and identifying scrambling codes
5767136423Side tones packets injection (STPI) for PAR reduction
5777133440Acquisition of a synchronous CDMA TDD QPSK waveform using variable thresholds for PN and burst synchronization
5787133439Mobile communication terminal and method of communication
5797133438Acquisition method and apparatus for carrying out the method
5807133437Pilot interpolation for a gated pilot with compensation for induced phase changes
5817133436Path detection apparatus in CDMA reception device
5827133435Interference cancellation system and method
5837133434Making measurements on parallel frequencies in a radio communications device
5847133433Method and apparatus for enhancing data rates in spread spectrum communication systems
5857133432Collision mitigation methods used in a communication system
5867130334Method and apparatus for a pilot search using a matched filter
5877130332Pilot tracking for synchronization using correlation between digital signal and locally generated version of PN signal
5887130330Receiver for wireless telecommunication stations and method
5897130327Digital frequency synthesis
5907130326Gated time division multiplexed spread spectrum correlator
5917126982Apparatus for rapid PN code acquistion
5927126981Method and apparatus for cell search for W-CDMA with effect of clock offset
5937126980PAR and out-of-band radiation reduction in code multiplex modulation systems
5947126979System and method to autonomously and selectively jam frequency hopping signals in near real-time
5957123647Chip rate base band receiver processor which receives digital information containing symbol information
5967120206Signal DC offset correction method and device
5977120192Spectrum spread communication synchronization establishing apparatus using frequency offset and receiver with the same
5987120191Method and apparatus for acquiring a ranging signal of a positioning system
5997120189Weighted open loop power control
6007120188User equipment employing a time division duplex technique
6017120187Spread spectrum wireless communication system
6027120186Methods and apparatus for use in generating data sequences for spread spectrum communications
6037116705Method and apparatus for reducing the processing rate of a chip-level equalization receiver
6047116701Base station using an antenna array for location determination
6057116700Frequency hopping spread spectrum communication system
6067116699Frequency re-mapping for structure adaptive frequency hopping
6077116698Generator of repetitive sets of spread spectrum sequences
6087113537Combined searching and page monitoring using offline sample storage
6097110447Channel estimator for an adaptive equalizer
6107110443Receiver and base station for producing phase-corrected channel signals
6117110442Method and apparatus for fast acquisition and low SNR tracking in satellite positioning system receivers
6127110440Wireless communications systems and methods for multiple processor based multiple user detection
6137110437Wireless communications systems and methods for direct memory access and buffering of digital signals for multiple user detection
6147110436CDMA receiving apparatus with transmission power control using previous SIR value
6157110435Spread spectrum applications of universal frequency translation
6167110433Spread spectrum, cross-correlated and filtered modulated systems
6177110432Orthogonal chirp modulation in multipath environments
6187110431Hardware and software for performing computations in a short-code spread-spectrum communications system
6197106784Universal rake receiver
6207106781Highly bandwidth-efficient communications
6217106779Method and apparatus for providing configurable layers and protocols in a communications system
6227103458Automation system using wireless high frequency
6237103093Method and device for estimating a propagation channel
6247103092Channel estimation for time division duplex communication systems
6257103091Common data path rake receiver for a CDMA demodulator circuit
6267103089Multibit spread spectrum signaling
6277099381De-spreading method and de-spreading apparatus
6287099380Apparatus for antenna diversity for wireless communication and method thereof
6297099378Sub-symbol parallel interference cancellation
6307099377Method and device for interference cancellation in a CDMA wireless communication system
6317099371Method for generating and allocating code pairs of orthogonal spreading codes
6327099369Method and apparatus for surgical high speed follower jamming based on selectable target direction
6337099368Ultra-wideband communication through a wire medium
6347099367Method and apparatus for converting RF signals to baseband
6357099366Pseudo-random number sequence output unit, transmitter, receiver, communication system and filter unit
6367099346Channel capacity optimization for packet services
6377095804Method and apparatus for spread spectrum radio signal recovery in wideband spread spectrum communication systems
6387095794Methods and apparatus for a spread spectrum modulated backscatter electronic shelf label system
6397095779Method and apparatus for automatic jammer frequency control of surgical reactive jammers
6407092433Radiofrequency signal receiver with means for improving the reception dynamic of said signals
6417092429Multi-pass frequency hop-acquisition correlator
6427092426Matched filter for scalable spread spectrum communications systems
6437088766Dynamic measurement of communication channel characteristics using direct sequence spread spectrum (DSSS) systems, methods and program products
6447088765Vector calibration system
6457088764Method for determining signal quality of simultaneously received multiple channels of data
6467085535Radio communication device for avoiding frequency collision among different radio control schemes
6477085332Method and apparatus for two-user joint demodulation in a system having transmit diversity
6487085312Spread spectrum communication apparatus and method of controlling the same
6497085308Searching in dual-mode communications system
6507082156Method of detecting, and a receiver for, a spread spectrum signal
6517082153Variable spacing pulse position modulation for ultra-wideband communication links
6527079569Search method in CDMA mobile communication receiving system and receiving device
6537079568Frequency hopping method for a mobile radio telephone system
6547079567Digital modulation system using extended code set
6557076659Enhanced method for digital data hiding
6567075974Multi-path detection circuit and method for a CDMA receiver
6577075973Multiuser detection of differing data rate signals
6587075972Intra-cell interference cancellation in a W-CDMA communications network
6597075971Hybrid DSMA/CDMA (digital sense multiple access/code division multiple access) method with collision resolution for packet communications
6607075970Method of decoding turbo-encoded data and receiver for decoding turbo-encoded data
6617075969User equipment using combined closed loop/open loop power control
6627075968Method for whitening spread spectrum codes
6637075967Wireless communication system using block filtering and fast equalization-demodulation and method of operation
6647072384Fixed pattern detection apparatus and fixed pattern detection method
6657072383Path search method of spread spectrum communication system and receiver using the method
6667072382Multiple bit complex bit modulation
6677072381Path search method, channel estimation method and communication device
6687072380Apparatus for initial power control for spread-spectrum communications
6697072379Transmission circuit
6707068710Receiver for a spread spectrum system
6717068709Code synchronous timing determining method upon information reception in CDMA system, determining apparatus, and CDMA receiving apparatus
6727068708Method and receiving unit for demodulating a multi-path signal
6737068706System and method for adjusting phase
6747068704Embedded chirp signal for position determination in cellular communication systems
6757068703Frequency hop sequences for multi-band communication systems
6767068702Method and apparatus for selective collision avoidance frequency hopping
6777068701Data transmission and reception within a spread-spectrum communication system
6787065383Method and apparatus for synchronizing a smart antenna apparatus with a base station transceiver
6797065129Acquisition of a gated pilot by avoiding partial correlation peaks
6807065128Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems
6817065127System and method for generating and acquiring pseudo-noise (PN) spread signals
6827065126Components and methods for processing in wireless communication data in presence of format uncertainty
6837065125Method and apparatus for multiple access over a communication channel
6847062001Adaptive multi-channel, multi-function
6857061972GPS receiver having dynamic correlator allocation between a memory-enhanced channel for acquisition and standard channels for tracking
6867061970Self-synchronizing adaptive multistage receiver for wireless communication systems
6877061969Vertical adaptive antenna array for a discrete multitone spread spectrum communication system
6887061968Mobile terminal, a base station, and a synchronization control method
6897061965Method and apparatus for assigning Walsh codes
6907058143Apparatus 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
6917058119Parallel architecture digital filter and spread spectrum signal receiver using such a filter
6927058116Receiver architecture for CDMA receiver downlink
6937058115Equalization method and device of the GMMSE type
6947058113Radio LAN system implementing simultaneous communication with different types of information and communication method for the same
6957054353Radio receiver and channel estimator
6967054352CDMA mobile telephone
6977054351Method for memory access control in rake receivers with early late tracking in telecommunication systems
6987054348Using real random number generator as proof of time
6997054347Communication apparatus
7007054346Enhanced frequency hopping in a wireless system
7017050486Path searcher for spread spectrum receiver
7027050485Iterative CDMA phase and frequency acquisition
7037050483Low-cost two-stage receiver system for DS-CDMA
7047050482Apparatus and method for measurement of communication quality in CDMA system
7057050480Code assignment algorithm for synchronous DS-CDMA links with SDMA using estimated spatial signature vectors
7067046720System and method for DC offset compensation in a WCDMA receiver
7077046718Coherent phase synchronous code division multiple access communications from multiple transponder platforms
7087046716Dual-mode ultra wideband and wireless local area network communications
7097042930Spread spectrum bit boundary correlation search acquisition system
7107042924Synchronization establishing and tracking circuit for CDMA base station
7117039100Detection of correlation between detected transmissions from multiple base stations and a known code in a mobile telecommunications system
7127039098Method and apparatus for base station and mobile station time calibration
7137039097CDMA receiver, path search method and program
7147039096Method and system for resource sharing between demodulating paths of a rake receiver
7157039095Receiving apparatus and gain control method
7167039094Adaptive rake receiving apparatus constrained with at least one constraint for use in mobile communication system and method therefor
7177039093Arrangement for adaptive baseband filter selection
7187035612Antenna diversity communications device
7197035318Receiving unit and semiconductor device
7207035317Single-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)
7217035316Method and apparatus for adaptive linear equalization for Walsh covered modulation
7227035315Doppler corrected communications receiver and method of removing doppler frequency shift
7237035313Narrow bandwidth, high resolution video surveillance system and frequency hopped, spread spectrum transmission method
7247031377Receiver and low power digital filter therefor
7257031375Apparatus for generating ternary spreading codes with zero correlation duration and method therefor
7267031373Apparatus for controlling a plurality of receiver fingers in a CDMA receiver
7277031371CDMA/TDMA communication method and apparatus for wireless communication using cyclic spreading codes
7287031369Orthogonal code generating circuit
7297031368Adaptive transmitter/receiver
7307031250Method and apparatus for channel estimation
7317027810Method of determining electric field state of mobile station also in view of electric field state of uplink
7327027494Method for generating orthogonal spread codes in mobile communication system
7337027493System and method for medium wide band communications by impluse radio
7347027491Interference cancellation receiver for use in a CDMA system
7357027489Iterative fast fourier transform error correction
7367027488Spread spectrum receiver and related method
7377027485Signal discriminator for a spread spectrum system
7387027483Ultra-wideband communication through local power lines
7397027482Transmitter with means for complementarily scaling the input and output signals of a D/A converter
7407023906Receiver and receiving method in spread spectrum communication system
7417023904Synchronization tracking circuit
7427023901Spreading factor estimation system and method
7437023900System and method for modifying peak-to-average power ratio in CDMA transmitters
7447023897Transmission circuit
7457020181Code division multiple access receiver
7467020180Method and apparatus for acquiring pilots over code space and frequency errors in a CDMA communication system
7477020177Method and apparatus to transfer information
7487020176Method and system for downlink channelization code allocation in a UMTS
7497020175MMSE reception of DS-CDMA with transmit diversity
7507016436Selective joint demodulation systems and methods for receiving a signal in the presence of noise and interference
7517016400Digital matched filter despreading received signal and mobile wireless terminal using digital matched filter
7527016399Receiving apparatus including adaptive beamformers
7537016398Multicode receiver
7547016397Method of processing CDMA signal components
7557016396Unitary bluetooth-enabled terminal having multiple radio interfaces
7567016395Method and apparatus for performing wireless communication using spread spectrum-frequency hopping
7577012949OFDM guard band communication apparatus and method
7587012948Method for assigning codes in uplink of synchronous wireless telecommunication system
7597010048Multiple access method and system
7607010022Spread spectrum receiver
7617010021Method of generating a time shifted signal
7627010017Receiver noise estimation
7637010016Method and WCDMA receiver for high-rate and low-rate physical channel reception
7647010014Digital spread spectrum circuitry
7657006581Method for demodulating a digital signal subjected to multipath propagation impairment and an associated receiver
7667006558Method and apparatus for correcting frequency offset and storage medium storing control program thereof
7677006557Time tracking loop for diversity pilots
7687006554Resource allocation in CDMA wireless communication systems
7697006042Antenna array system, method of controlling the directivity pattern thereof, and mobile terminal
7707003022Matched filter and receiver for mobile radio communication system
7717003021System and method for generating signal waveforms in a CDMA cellular telephone system
7727003020Selection of multiple propagation paths by successive removal and detection of high autocorrelations
7737003019Data detection for codes with non-uniform spreading factors
7747003018Paging mode control method and apparatus
7757003015Apparatus and method for configurable multi-dwell search engine for spread spectrum applications
7767002945FDM-CDMA transmitting method, FDM-CDMA receiving method, FDM-CDMA transmitting device and FDM-CDMA receiving device
7776999500System for direct sequence spreading
7786999499Demodulation apparatus of a base station in a CDMA mobile communication system
7796999497Data transmitting apparatus and data transmitting method
7806996236Methods and apparatus for protecting signals transmitted between a source and destination device over multiple signal lines
7816996162Correlation using only selected chip position samples in a wireless communication system
7826996161Data communication in a wireless local area network using M-ary Code Keying
7836996160Channel gain estimation in a rake receiver using complex weight generation (CWG) algorithms
7846996158Signal detection using a CDMA receiver
7856996157Pattern generation circuit, multi-path detection circuit employing the same and multi-path detection method
7866996155Common packet channel
7876993066Transmitting apparatus and gain compensating method
7886993064Multi-user receiving method and receiver
7896993063Outer loop/weighted open loop power control
7906993062Forward link device of multicarrier communication system and method for realizing the same
7916990140Signal receiver using coherent integration in interleaved time periods for signal acquisition at low signal strength
7926990138Correlated spreading sequences for high rate non-coherent communication systems
7936987799System and method for demodulating associated information channels in direct sequence spread spectrum communications
7946987798System and method for demodulating multiple Walsh codes using a chip combiner
7956987796Method for receiving spectrum spread signals with frequency offset correction
7966987794Receiver and received channel estimation method for the same
7976987793Predictive collision avoidance in macrodiverse wireless networks with frequency hopping using switching
7986985728Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a CDMA cellular communications system
7996985517Matched filter and correlation detection method
8006985516Method and apparatus for processing a received signal in a communications system
8016985515Interference cancellation in a spread spectrum communication system
8026985513Channel estimation for time division duplex communication systems
8036985511Common packet channel with firm handoff
8046983243Methods and apparatus for wireless transmission using multiple description coding
8056983050Methods and apparatus for protecting information content
8066982945Baseband direct sequence spread spectrum transceiver

2005

8076968022Method and apparatus for scheduling switched multibeam antennas in a multiple access environment
8086967993Ultrawide bandwidth system and method for fast synchronization using sub-code spins
8096967945Method and system of communications using a pulse transmission protocol
8106965634Non-stationary dither code generation and detection
8116965630Mode Controller for signal acquisition and tracking in an ultra wideband communication system
8126965590Dynamic slave selection in frequency hopping wireless communications
8136963727Direct-path-signal detection apparatus and associated methods
8146963599Multitone frequency hop communications system
8156961364Base station identification in orthogonal frequency division multiplexing based spread spectrum multiple access systems
8166961363Frequency look-ahead and link state history based scheduling in indoor wireless pico-cellular networks
8176959386Hiding encrypted messages in information carriers
8186959032Method and apparatus for positioning pulses in time
8196959031Method and system for fast acquisition of pulsed signals
8206956897Reduced rank adaptive filter
8216956838Use 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
8226954488Method and apparatus for improved L2 performance in dual frequency semi-codeless GPS receivers
8236954482Soft-decision trellis-coded differential frequency-hopped spread spectrum (DFHSS)
8246954481Pilot use in orthogonal frequency division multiplexing based spread spectrum multiple access systems
8256954480Method and apparatus for improving received signal quality in an impulse radio system
8266947492Encoding and decoding ultra-wideband information
8276941110Mitigating interference with frequency hopping signals by deriving future hop frequencies
8286940893High-speed indoor wireless chirp spread spectrum data link
8296940841Packet-switched spread-spectrum system
8306940823Wide band radio transmission method
8316937848Method and device for digital-to-RF conversion
8326937674Mapping radio-frequency noise in an ultra-wideband communication system
8336937667Apparatus, system and method for flip modulation in an impulse radio communications system
8346937663Baseband signal converter for a wideband impulse radio receiver
8356937646Leakage nulling receiver correlator structure and method for ultra wide bandwidth communication system
8366937582Method and an arrangement relating to mobile radio systems with the possibility of switching channel coding schemes
8376937158Method and apparatus for wireless communication between electronic devices
8386937108Methods and apparatus for offset chirp modulation
8396934316Frequency hopping spread spectrum system with high sensitivity tracking and synchronization for frequency unstable signals
8406934315Cordless telephone and method for selecting communication channel thereof
8416933882Time domain radio transmission system
8426931078Ultra wide bandwidth spread-spectrum communications systems
8436931051Frequency hopping wireless communication system with filtered adaptive slicer
8446928263Local data delivery through beacons
8456928103Rach receiving apparatus
8466925127Method and apparatus for subtracting multiple rays of multiple interfering received signals
8476925109Method and system for fast acquisition of ultra-wideband signals
8486925108Ultrawide bandwidth system and method for fast synchronization
8496925105Overhead reduction in system for intermittent transmission
8506922806Method and system for fast forward error correction coding and decoding
8516920173Spread-spectrum signal receiver apparatus and interference cancellation apparatus
8526920172Dual purpose spread spectrum radio receivers with controlled frequency rejection
8536920171Multiple access frequency hopping network with interference anticipation
8546915137Methods and apparatus for frequency hopping analog cordless telephony
8556914949Method and system for reducing potential interference in an impulse radio
8566912372Ultra wideband signals for conveying data
8576912245Apparatus for calculating decision parameters in an IMT-2000 system
8586912240Method and apparatus for generating a large number of codes having desirable correlation properties
8596912227Device and method for acquiring phase of spreading code in CDMA communication system
8606909877Carrierless ultra wideband wireless signals for conveying data
8616909737Method and device for transmitting information using varying carrier frequencies by means of a frequency hopping method
8626909337Noncoherent pulse position and phase shift keying transmission/reception system and a transmission/reception signal processing method therefor
8636907244Hand-off between ultra-wideband cell sites
8646906625System and method for information assimilation and functionality control based on positioning information obtained by impulse radio techniques
8656904076Interference canceller device and radio communication device
8666901112Ultra wide bandwidth spread-spectrum communications system
8676901106Delay lock code tracking loop employing multiple timing references
8686900732System and method for monitoring assets, objects, people and animals utilizing impulse radio
8696898415System and method for reducing multipath distortion in wireless distance measurement systems
8706895450Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
8716895059Method and apparatus for data transfer using a time division multiple frequency scheme
8726895034Ultra-wideband pulse generation system and method
8736894997Packet spread-spectrum transmitter
8746894975Synchronization and access of the nodes in a communications network
8756892175Spread spectrum signaling for speech watermarking
8766891884Apparatus for detecting correlation, spectrum despread apparatus and receiver having the same, and method for detecting correlation
8776888878Signal combining within a communication system
8786888876Frequency hopping spread spectrum communications system
8796882680Quadrature phase modulation receiver for spread spectrum communications system
8806882679Extension of wireless local area network communication system to accommodate higher data rates while preserving legacy receiver features
8816882301Time domain radio transmission system
8826876695Method and apparatus for reducing spread spectrum noise
8836876692System for code division multi-access communication
8846876691Method of the receiver for frequency acquisition in a frequency hopping system
8856873644High data rate inter-satellite communications links method
8866870875Transmission of urgent messages in frequency hopping system for intermittent transmission
8876870874Communication apparatus
8886868115All-lag spread-spectrum correlator
8896868114Interference suppression in a spread spectrum communications system using non-linear frequency domain excision
8906868109Space hopping receiving system and received radio-waves estimation method
8916868108Method and apparatus for generating and transmitting a stationary dither code
8926865219Apparatus and method of circular group-wise parallel interference cancellation for multi-rate DS-CDMA system
8936865216Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation cordless telephone
8946865215Spread spectrum digital data communication overlay system and method
8956859485Geolocation system with controllable tags enabled by wireless communications to the tags
8966853835Asymmetric wireless communication system using two different radio technologies
8976853675Methods and systems for optimizing signal transmission power levels in a spread spectrum communication system
8986853674Variable wavelength impulse transmission
8996850733Method for conveying application data with carrierless ultra wideband wireless signals
9006850553Chirp slope multiple access
9016847676All-lag spread-spectrum correlators with rotating references
9026847675Ultrawide-band communication system and method
9036845253Electromagnetic antenna apparatus
9046845123Frequency hopping sequence allocation

2004

9056836507Symbol synchronizer for software defined communications system signal combiner
9066834073System and method for baseband removal of narrowband interference in ultra wideband signals
9076826409Method and apparatus for implementing measurement based dynamic frequency hopping in wireless communication systems
9086823022Method for mitigating effects of interference in impulse radio communication
9096822508Communication device, communication method, program, and storage medium
9106816538Frequency hopping spread spectrum decoder
9116810087Ultra-wideband communications system
9126804289Wireless communication system and method of controlling same
9136795485Integrated QPSK/FSK demodulator
9146792030Method and apparatus for delivering non-obtrusive data services by spread spectrum modulation
9156788734Rake receiver for spread spectrum signal demodulation
9166788730Method and apparatus for applying codes having pre-defined properties
9176788729Frequency hopping method and base station
9186788656Communication system
9196785300Delay compensation
9206785248Spread spectrum communication method and spread spectrum communication apparatus
9216782048Ultra-wideband communication through a wired network
9226781470Tunable oscillator
9236778589Symbol synchronous device and frequency hopping receiver
9246778587Spread spectrum modulation system and method for embedding digital information into digital or analog media
9256763057Vector modulation system and method for wideband impulse radio communications
9266763055Spread spectrum frequency hopping transceiver modulation index control
9276762712First-arriving-pulse detection apparatus and associated methods
9286760671Method and apparatus of low power energy detection for a WLAN
9296760319Fixed frequency interference avoidance enhancement
9306760317Adaptive transmission channel allocation method and system for ISM and unlicensed frequency bands
9316757319Closed loop power control for common downlink transport channels
9326757318Apparatus and method for synchronizing with a communication network by shadowing a page response connection to the network
9336754250Networking in uncoordinated frequency hopping piconets
9346751273Apparatus for compensating a channel distortion in a bluetooth system
9356751251Fixed frequency transceiver for use in a frequency hopping system
9366751250High-data-rate frequency-hopping wireless communication system
9376751249Received-signal-strength-based swap table for frequency hopping communication system
9386748040Apparatus and method for effecting synchrony in a wireless communication system
9396748005Methods and apparatus for providing a direct frequency hopping wireless interface with a personal computer
9406745042Synchronization of wireless communication between devices
9416744832Analog-to-digital converter bank based ultra wideband communications
9426741636System and method for converting data into a noise-like waveform
9436741633Hop overlay signal structure for including additional signaling channels in code division multiple access communication and navigation systems
9446738414Radio and communication method using a transmitted intermediate frequency
9456735238Ultra wideband communication system, method, and device with low noise pulse formation
9466731908Distance measurement using half-duplex RF techniques
9476731674Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system
9486731669Establishing method of synchronous communication between station and access point, station, LAN adapter, and frequency-hopped LAN radio system
9496728294Radio communication system
9506728293Hopping pattern generation method in frequency hopping system for intermittent transmission
9516724269PSK transmitter and correlator receiver for UWB communications system
9526721351Handoff supporting apparatus and method in CDMA communication system supporting multi-frequency assignment
9536718395Apparatus and method using an inquiry response for synchronizing to a communication network
9546717992Method and apparatus for receiving a plurality of time spaced signals
9556711216Method and apparatus for an ultra-wideband radio utilizing MEMS filtering
9566704345Transmission/reception apparatus and transmission/reception method
9576700939Ultra wide bandwidth spread-spectrum communications system
9586700920Frequency hopping system for intermittent transmission
9596697415Spread spectrum transceiver module utilizing multiple mode transmission
9606690660Adaptive algorithm for a Cholesky approximation
9616687239Method for dynamic channel allocation in a frequency hopping radio system
9626683904RF transceiver with low power chirp acquisition mode
9636678313Correlation circuit for spread spectrum communication
9646678310Wireless local area network spread spectrum transceiver with multipath mitigation
9656677796Method and apparatus for implementing precision time delays

2003

9666671311Receiver for use in a code shift keying spread spectrum communications system
9676671310Method and apparatus for positioning pulses over time by applying time-hopping codes having pre-defined characteristics
9686671309Interference diversity in communications networks
9696668009Apparatus and method for performing fast acquisition of PN sequences by transferring distributed samples
9706667684Remote controlled garage door opening system
9716664891Data delivery through portable devices
9726657985Orthogonal code hopping multiple access communication system
9736654406Frequency hopping receiver capable of real-time demodulation and method thereof
9746651207Method and system for improving voice quality in cordless communications
9756647129Method and system for encoding image and audio content
9766647053Method and system for channel masking in a communication network
9776647052Advanced spread spectrum clock generation technique for EMI reduction of multiple clock sources
9786643333Method and transmitting device for transmitting data symbols from subscriber signals via a radio interface of a mobile communications system
9796643278Wireless network circuits, systems, and methods for frequency hopping with reduced packet interference
9806639938Method for dynamically routing frequency hopping signals in a multiple carrier communications system
9816639935Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system
9826636549Method for calculating phase shift coefficients of an M sequence
9836631166Method and apparatus for signal generation and detection using unstable periodic chaotic orbits
9846630897Method and apparatus for signal detection in ultra wide-band communications
9856628927Method and apparatus for transmitting and receiving signals
9866625229Pulse transmission transmitter including a higher order time derivate filter
9876622011Paging
9886621878Pulse transmission receiver with higher-order time derivative pulse correlator
9896621851Priority messaging method for a discrete multitone spread spectrum communications system
9906616254Code shift keying transmitter for use in a spread spectrum communications system
9916614853Method of transmission and device to carry out said method
9926611223Method and apparatus for ultra wide-band communication system using multiple detectors
9936606500Method and a device for improving the capacity of a GSM base station
9946606350Pulse transmission receiver with higher-order time derivative pulse generator
9956606314Method and radio station for data transmission
9966603818Pulse transmission transceiver architecture for low power communications
9976603799Method for detecting the hopping sequence of an interfering wireless system
9986600774System and method for communicating with plural remote transmitters
9996597725Carrier phase follower and frequency hopping receiver
10006594302Fixed frequency transceiver for use in a frequency hopping system
10016587498Leveling out of interference in a mobile network using a hopping method
10026584140Spectrum efficient fast frequency-hopped modem with coherent demodulation
10036581176Method for transmitting control frames and user data frames in mobile radio communication system
10046577670Programmable filtering mechanism to allow bandwidth overlap between direct sequence spread spectrum communication device and frequency-hopping transmitter
10056574200CDMA receiver comprising a synchronous timing notifying section capable of reaching low consumption of current
10066570857Central multiple access control for frequency hopping radio networks
10076567458Wireless communication system utilizing frequency hopping method and control method therefor
10086563860Base station having a set of phased array antennas
10096563859Receiver and receiving method in multi-carrier spread-spectrum communications
10106560272Decode circuit for code division multiple access receiver
10116556621System for fast lock and acquisition of ultra-wideband signals
10126549784Method and apparatus for implementing measurement based dynamic frequency hopping in wireless communication systems
10136549567Full duplex ultrawide-band communication system and method
10146549562Method and system of generating a modulated chirp signal
10156535544Frequency hopping system for intermittent transmission
10166529568Method and system for canceling interference in an impulse radio
10176519467Methods and apparatus for control of frequency hopping in an analog cordless telephone
10186519464Use of third party ultra wideband devices to establish geo-positional data
10196512737Stacked carrier discrete multiple tone communication system
10206512455System and method for monitoring assets, objects, people and animals utilizing impulse radio
10216505032Carrierless ultra wideband wireless signals for conveying application data
10226504483System and method for using impulse radio technology to track and monitor animals

2002

10236501771Delay compensation
10246501393System and method for using impulse radio technology to track and monitor vehicles
10256498578Method and apparatus for generating pulses using dynamic transfer function characteristics
10266497656Integrated wireless broadband communications network
10276496534CDMA receiver with weighted interference cancellation
10286496532Frequency hopping method and radio system
10296493405Correlator having enhanced memory for reference and input data
10306493377Distributed network, spread-spectrum system
10316492906System and method using impulse radio technology to track and monitor people under house arrest
10326492904Method and system for coordinating timing among ultrawideband transmissions
10336490314Method for overlay of narrowband and wideband communication systems
10346490262Interference in a cellular communications system
10356489893System and method for tracking and monitoring prisoners using impulse radio technology
10366487235Delay compensation
10376480721Method and system for avoiding bad frequency subsets in a frequency hopping cordless telephone system
10386480522Method of polling second stations for functional quality and maintenance data in a discrete multitone spread spectrum communications system
10396473448Spread spectrum signal generation method, spread spectrum signal generator, stream encryption method, and stream enciphered codes communication method
10406473412Uncoordinated frequency hopping cellular system
10416473410Communication method and apparatus in which first and second control channels operate as an initial acquisition channel and a broadcast channel, respectively
10426470042Phase-locked loop controller for a frequency hopping radio
10436469628System and method for using impulse radio technology in the farming field
10446466800Method and system for a wireless communication system incorporating channel selection algorithm for 2.4 GHz direct sequence spread spectrum cordless telephone system
10456466611Multi-user detection using a finite-impulse-response matrix filter
10466466609Method for wireless information transfer
10476466608Frequency hopping medium access control protocol for a communication system having distributed synchronization
10486466607Hybrid spread spectrum method and system for wirelessly transmitting and receiving wideband digital data
10496466606Method and apparatus for performing search acquisition in a multi-carrier communication system
10506466138Meshed telemetry system using frequency hopping for intermittent transmission
10516466125System and method using impulse radio technology to track and monitor people needing health care
10526463089Hybrid spread spectrum method and system for wirelessly transmitting and receiving wideband digital data
10536456645Digital wireless audio transmission system
10546456221Method and apparatus for signal detection in ultra wide-band communications
10556452530Method and apparatus for a pulse decoding communication system using multiple receivers
10566449304Method of determining the carrier reference phase of coherent demodulation of frequency hopped continuous phase modulated signals with synch words arbitrarily located within the hop
10576438157Spread spectrum receiver
10586434184Orthogonal frequency hopping using skip zones
10596434163Transverse correlator structure for a rake receiver
10606430216Rake receiver for spread spectrum signal demodulation
10616430211Frequency hopping for baseband transmitters
10626430208Ultrawide-band communication system and method
10636421389Baseband signal converter for a wideband impulse radio receiver
10646415005Digital communication apparatus
10656414983Digital communication apparatus
10666408039Radio communication apparatus employing a rake receiver
10676400756Phased array spread spectrum receiver
10686400703Device and method for generating and distributing coded symbols in a CDMA communication system
10696397367Device and methods for channel coding and rate matching in a communication system
10706396823Base station transceiver for frequency hopping code division multiple access system
10716389059Multi-band, multi-mode spread-spectrum communication system
10726389055Integrating digital data with perceptible signals
10736381053Fast frequency hopping spread spectrum for code division multiple access communication networks (FFH-CDMA)
10746377609Spread spectrum frequency hopping system and method
10756373879Device and method for generating spread spectrum signals
10766366602Method of generating a carrier wave of common channels, and a radio system
10776363099Physical channel assignment method and transmitter
10786359923Highly bandwidth efficient communications
10796353672Steganography using dynamic codes
10806351652Mobile communications system and method utilizing impulse radio
10816351485Spread spectrum modulation technique for frequency synthesizers
10826345066Reduction of access time delay in frequency-hopping radio systems using a direct sequence mode
10836341141Method and apparatus for detecting spectrum spread signals
10846335953Enhanced frequency agile radio
10856335946Method and a device for broadband transmission

2001

10866320896RF receiver having frequency-hopping/direct-sequence spread spectrum signal discrimination
10876317610Method of combining several signals, and base station
10886317034Alarm sensor multiplexing
10896310906Chaotic carrier pulse position modulation communication system and method
10906310706Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals
10916304619Receiver synchronizer
10926295310Mobile communication system
10936292508Method and apparatus for managing power in a frequency hopping medium access control protocol
10946292494Channel hopping protocol
10956289038Parallel hopping hybrid direct sequence/slow frequency hopping CDMA system
10966289037Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system
10976278723Method and apparatus for minimizing a probability of self-interference among neighboring wireless networks
10986278722Architecture for a digital portable telephone
10996275544Baseband receiver apparatus and method
11006275518Frequency hopping radio LAN system and frequency hopping control method
11016275517Wireless communication apparatus using frequency hopping, and method of controlling the apparatus
11026272353Method and system for mobile communications
11036266430Audio or video steganography
11046263210Wireless communication system and method of controlling same
11056259722Method and system for table implemented frequency selection in a frequency hopping cordless telephone system
11066256485Wideband radio receiver
11076256340Phased array spread spectrum system and method5
11086256334Base station apparatus for radiocommunication network, method of controlling communication across radiocommunication network, radiocommunication network system, and radio terminal apparatus
11096256290Multi-carrier CDMA transmission system with frequency and transmit diversity
11106252882Chirp spread spectrum signal multiple access apparatus
11116249540Method and system for shifting frequency subsets to avoid base station interference in a frequency hopping cordless telephone system
11126246713Frequency-hopping in a bandwidth-on-demand system
11136243565Method and apparatus for transmitting communication signals using frequency and polarization diversity
11146240126Wireless communication device
11156240125Method and means for frequency hopping in a radio communication system
11166233270Interference diversity in synchronized networks
11176230026Basestation architecture supporting baseband frequency hopping utilizing time division multiplexed mapping between a radio transceiver and digital signal processing resources
11186223048Method of generating a frequency-hopping sequence for radio communication, as well as radio facility and radio communication system therefor
11196215810Parallel hopping hybrid direct sequence/slow frequency hopping CDMA system
11206215792System, device, and method for initial ranging in a communication network
11216212242Method and apparatus for transmitting communication signals using transmission space diversity and frequency diversity
11226212221Communication apparatus
11236208635Network for transferring data packets and method for operating the network
11246195383Digital signal processing apparatus for frequency de-hopping
11256188716Radio and communication method using a transmitted intermediate frequency
11266188715Frequency hopping system for intermittent transmission with receiver using individual tracking, FFT, and authentication
11276181731Spread spectrum communication device
11286178217Nonlinear digital communications system
11296178197Frequency discrimination in a spread spectrum signal processing system
11306173004Frequency hopping communication device
11316172994Method and apparatus for creating a composite waveform
11326169761Method and transceiver using an improved protocol for a frequency hop communication system

2000

11336163564Virtual beam system
11346160837Method of avoiding near-far interference problems in an array of navigation signal beacons having selected CDMA or GPS-like navigation signals
11356160802Ultrafast time hopping CDMA and TDMA RF and optical communications: code-as-carrier, multichannel operation, high data rate operation and data rate on demand
11366154484Method and apparatus for embedding auxiliary data in a primary data signal using frequency and time domain processing
11376151352Wireless communication using a frequency hopping method
11386148020Method and device for frequency hopping communication by changing a carrier frequency
11396144704Phase domain multiplexed communications system
11406144693Radio communication system using a frequency hopping method and a method for controlling the system
11416130905Wireless communication system
11426130885Frequency hopping wireless communication system capable of simultaneously communicating different data and frequency hopping wireless communication apparatus
11436128327Frequency hopping
11446128276Stacked-carrier discrete multiple tone communication technology and combinations with code nulling, interference cancellation, retrodirective communication and adaptive antenna arrays
11456122309Method and apparatus for performing interference suppression using modal moment estimates
11466118805Method and apparatus for performing frequency hopping adaptation
11476115411System and method for spread spectrum code position modulation and wireless local area network employing the same
11486115408Automatic transmission power level control method in a frequency hopping communication system
11496115407Frequency hopping communication method and apparatus for modifying frequency hopping sequence in accordance with counted errors
11506112094Orthogonal frequency hopping pattern re-use scheme
11516111909Wireless communication system
11526111538Cellular positioning system (CPS)
11536108367Low power two-way wireless communication system for electronic shelf labels
11546108366Method and apparatus for the generation of frequency hopping sequences
11556101214Power line communications spread spectrum symbol timing and random phasing
11566101213Method system and computer program product for spread spectrum communication using circular waveform shift-keying
11576098189Relay station for wireless communication traffic
11586088595Arrangement for configuring multiple portable units for communicating with each other in a frequency hopping system
11596088399Multi-mode transmitter and receiver
11606088350Digital radio communication apparatus and method employing frequency hopping for multi-purpose data processing apparatuses
11616084932Method to indicate synchronization lock of a remote station with a base station for a discrete multitone spread spectrum communications system
11626084905Frequency hopped wireless communication system and communication equipment using a preamble field and information transfer field succeeding the preamble field
11636078609Radio communication system using frequency hopping, and method of controlling same
11646064695Spread spectrum communication system utilizing differential code shift keying
11656061389Frequency-hopping communication system and communication station
11666058137Frequency hopping system for intermittent transmission
11676058135Quasi-optimal receiver for tracking and acquisition of a split spectrum PN GPS C/A signal
11686052406Frequency hopping synchronization and tracking in a digital communication system
11696049563Spread spectrum signal multiplexing system employing chirp signals
11706049562Multi-branch frequency-hopping receiver
11716049561Radio frequency communication system
11726049289Remote controlled garage door opening system
11736047023Swept frequency modulation and demodulation technique
11746047015Mobile radio apparatus
11756041074Spread spectrum pulse position modulation system
11766034989Spread-spectrum communication device
11776034987System for improving the quality of a received radio signal
11786032049Wireless telecommunication system using frequency hopping, and method of controlling same
11796031883Enhanced frequency agile radio
11806031864Method and system for controlling the time occupation of signalling frequencies in a frequency hopping system
11816031863Wireless LAN system
11826031862Ultrawide-band communication system and method
11836028886Digital communication apparatus
11846028885Frequency hopping radio transmitter apparatus and method providing very high communication security
11856026116Transmitting/receiving facility and method for transmitting broadband signals as well as transmitting/receiving facility for receiving broadband signals
11866026114Transmitting and receiving apparatus of time division full-duplex spread spectrum communication system
11876023488Spread spectrum modulation
11886018543Noisy channel avoidance method in a digital communication system

1999

11896006075Method and apparatus for transmitting communication signals using transmission space diversity and frequency diversity
11906002918Power-saving arrangement and method for mobile units in communications network
11915995534Ultrawide-band communication system and method
11925991331System for improving the quality of a received radio signal
11935990786Advanced method of indicating incoming threat level to an electronically secured vehicle and apparatus therefor
11945987057Wireless local area networks
11955982808System and method for communicating with plural remote transmitter
11965978660Frequency diversity process and device for an SHF carrier
11975974081Spread spectrum band transceiver
11985974078Modulated spread spectrum in RF identification systems method
11995970055Radio communication system adapting time division duplexing/frequency hopping
12005969663Time domain radio transmission system
12015966665Wireless communication system communicable among a base unit and a plurality of handsets
12025963581Ultrawide-band communication system and method
12035960031Ultrawide-band communication system and method
12045960030Carrier detection unit and carrier detection method
12055959550Remote meter reading system
12065956345IS-95 compatible wideband communication scheme
12075952956Time domain radio transmission system
12085952933System having advanced embedded code hopping encryption and learn mode therefor
12095943375Method to indicate synchronization lock of a remote station with a base station
12105937002Channel hopping in a radio communication system
12115937001Range safety communication system and method utilizing pseudorandom noise sequences
12125936998Spread spectrum modulator
12135930291Method and apparatus for selecting random values from a non-sequential set
12145926501Method and apparatus for dynamic channel configuration
12155923702Frequency hopping cellular LAN system
12165923701Spread spectrum pulse position modulation system
12175914981Method to indicate synchronization lock of a remote station with a base station for a discrete multitone spread spectrum communications system
12185914667Advanced embedded code hopping system having master fixed code encryption
12195912917Digital broadcast system
12205909640Wireless communication system for adapting to frequency drift
12215907577Delay compensation
12225907545Wireless communication apparatus and method
12235905765Method of processing error-control coded, frequency-hopped communication signals
12245903594Power line communications spread spectrum protocol
12255901172Ultra wideband receiver with high speed noise and interference tracking threshold
12265900806Alarm sensor multiplexing
12275898728Distributed analog-digital frequency dehopping system
12285896423Spread spectrum signal receiver
12295896412Wireless communication system
12305887023Method and apparatus for a frequency hopping-spread spectrum communication system
12315887022Peer-peer frequency hopping spread spectrum wireless system
12325887020Multi-band, multi-mode spread-spectrum communication system
12335881096Method for removing bias in a frequency hopping digital communication system
12345881095Repeater assisted channel hopping system and method therefor
12355875208Delay compensation in a discrete multitone spread spectrum communications system
12365875186Dynamic wireless local area network with interactive communications within the network
12375875184Method for transferring data packets
12385872519Advanced embedded code hopping system
12395870426Grouping of spread spectrum acknowledgement pagers to minimize transmission collisions
12405870391Wireless communication system using frequency hopping, and method of controlling the system
12415862171Radio frequency communication network having adaptive communication parameters
12425859664Method and apparatus for line or frame-synchronous frequency hopping of video transmissions

1998

12435848095System and method for adaptive hopping
12445838730Radio transmitter/receiver for wireless local area network
12455838717Spectrum spread communication system
12465835529Digital communication apparatus
12475832035Fast locking mechanism for channelized ultrawide-band communications
12485832026Method for correcting errors from a fading signal in a frequency hopped spread spectrum communcation system
12495828693Spread spectrum frequency hopping reader system
12505825805Spread spectrum communication system
12515822362Sinusoidal phase modulation method and system
12525818885Method for minimizing time to establish initial synchronization between a mobile station and a base station in a mobile communication system
12535815811Preemptive roaming in a cellular local area wireless network
12545815525Multi-band, multi-mode spread-spectrum communication system
12555812590Frequency spreading clock modulation
12565812081Time domain radio transmission system
12575809417Cordless telephone arranged for operating with multiple portable units in a frequency hopping system
12585809059Method and apparatus for spread spectrum channel assignment
12595805110Impulse radar with swept range gate
12605799033Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data
12615799000Delay compensation
12625798711High throughput embedded code hopping system with bypass mode
12635796772Multi-band, multi-mode spread-spectrum communication system
12645793798Virtual beam system
12655793795Method for correcting errors from a jamming signal in a frequency hopped spread spectrum communication system
12665790587Multi-band, multi-mode spread-spectrum communication system
12675783989Alarm sensor multiplexing
12685781582Frequency agile transceiver with multiple frequency synthesizers per transceiver
12695758290Cordless telephone arranged for operating with multiple portable units in a frequency hopping system
12705757845Adaptive spread spectrum receiver
12715751704Technique for minimizing the variance of interference in packetized interference-limited wireless communication systems
12725748670Method of demodulating chirp spread spectrum
12735748669Method and apparatus for transmitting information converted to spread spectrum signal
12745737358Multiplexed radio communication system
12755737252Circuit arrangement comprising a permutation unit and method of processing a batch of items
12765734966Wireless communication system for adapting to frequency drift
12775729680Ad hoc initialization for wireless local area network
12785729607Non-linear digital communications system
12795726658CDMA code generator employing mixing ergodic transformation
12805724380Radio transmission system
12815719857Method and apparatus for implementing frequency-hopping in a base station
12825717688Wireless local area network with roaming indicating multiple communication ranges
12835715275Spectrum communication method and apparatus for delaying read sequence series
12845712867Two-way paging apparatus having highly accurate frequency hopping synchronization
12855712638Multiple transmission channel group transmitter
12865710789Signal synchronization system for encoded signals
12875706275Data transmission method, transmitter, and receiver

1997

12885701328Chirped spread spectrum positioning system
12895694414Multi-band, multi-mode spread-spectrum communication system
12905691979Signaling protocol for an infrastructureless communication system and method of using same
12915687169Full duplex ultrawide-band communication system and method
12925677927Ultrawide-band communication system and method
12935673323Analog spread spectrum wireless speaker system
12945673260Method and system for CDMA mobile communication
12955668828Enhanced frequency agile radio
12965661490Time-of-flight radio location system
12975659572Phased array spread spectrum system and method
12985646591Advanced method of indicating incoming threat level to an electronically secured vehicle and apparatus therefor
12995642397Paging system which combines a paging signal with a standard broadcast baseband signal
13005640415Bit error performance of a frequency hopping, radio communication system
13015640301System for adapting a personal computer for radio communication
13025638376Code division multiplex signal receiving method
13035633889Phased array spread spectrum system and method
13045629875Method and apparatus for interactively tuning frequency hopping transmitter
13055627880MAHO method for SFH-CDMA/TDMA using punctured frames
13065625641Correlator, synchronizer provided with the correlator, and fast frequency hopping spread spectrum receiver provided with the synchronizer
13075623511Spread spectrum code pulse position modulated receiver having delay spread compensation
13085619527Chip-based selective receiving system for a spread spectrum signal
13095619493Spread-spectrum, frequency-hopping radio telephone system with voice activation
13105610907Ultrafast time hopping CDMA-RF communications: code-as-carrier, multichannel operation, high data rate operation and data rate on demand
13115604765Position enhanced communication system including system for embedding CDMA navigation beacons under the communications signals of a wireless communication system
13125596601Method and apparatus for spread spectrum code pulse position modulation
13135596438Photoconductive spread-spectrum communications system
13145596330Differential ranging for a frequency-hopped remote position determination system
13155592180Direction finding and mobile location system for trunked mobile radio systems

1996

13165590410System and method for frequency based acquisition acknowledgment between transmitter and receiver
13175586141Interface protocol method for use in a frequency hopping radio system having first hopping code for synchronization and second hopping code for communication
13185586120Method for a channel hopping communication system with variable transmission bandwidth
13195583517Multi-path resistant frequency-hopped spread spectrum mobile location system
13205581548Frequency and channel hopping communication in a TDMA cellular mobile radio system
13215579337System employing dissipative pseudorandom dynamics and selective feedback for communications and measurement
13225574748Spread spectrum communications system for network
13235568510Apparatus and method for obtaining synchronism between a base station and a portable unit arranged for operation in a frequency hopping system
13245568509Dynamic code division multiple access communication system
13255568508Interlaced geometric harmonic modulation
13265568507Geometric harmonic modulation (GHM) - analog implementation
13275564097Spread intermediate frequency radio receiver with adaptive spurious rejection
13285563906Method of geometric harmonic modulation (GHM)
13295561686Radio information communication system using multi-carrier spread spectrum transmission system
13305546429Frequency hopping code division multiple access radio communication unit
13315546422Method of transmitting low-power frequency hopped spread spectrum data
13325544199Non-adaptive phase-difference interference filter
13335541954Frequency hopping communication method and apparatus changing a hopping frequency as a result of a counted number of errors
13345539769Adaptive fuzzy frequency hopping system
13355537434Frequency hopping control channel in a radio communication system
13365534845Advanced automotive automation and security system
13375533046Spread spectrum communication system
13385533025Robust frequency management and acquisition in a wireless local area network that uses frequency-hopping radios
13395532670Method of indicating the threat level of an incoming shock to an electronically secured vehicle and apparatus therefore
13405528623Cordless telephone system having automatic control of transmitter power and frequency in response to changing conditions
13415528622Communication system having channel hopping protocol and multiple entry points
13425528621Packet data communication system
13435526389Spread spectrum open loop data recovery processor
13445523760Ultra-wideband receiver
13455519736Synchronous pseudo-noise code sequence generation circuit
13465519725Geometric harmonic modulation (GHM) for combined analog/digital transmissions
13475519718Remote unit for use with remote pager
13485519717Method for time drift reduction of frequency hopping network clock
13495519692Geometric harmonic modulation (GHM)-digital implementation
13505517518Method and arrangement for recognition of a coded transmitted signal
13515515369Method for frequency sharing and frequency punchout in frequency hopping communications network
13525513210Method for controlling channel access priorities in a frequency hopping local area network
13535512834Homodyne impulse radar hidden object locator
13545510797Provision of SPS timing signals
13555509032Non-adaptive amplitude-difference interference filter
13565509027Synchronization method in a frequency hopping local area network having dedicated control channels
13575506863Method and apparatus for operating with a hopping control channel in a communication system
13585506545Electronic apparatus having low radio frequency interference from controlled excursion noise-modulated system clock signal
13595504750Method and apparatus for a radio system operating on shared communication channels
13605500871Spread spectrum communication transmitter an LSI therefor
13615499266Low-power frequency-hopped spread spectrum acknowledgement paging system
13625495497Method and apparatus for suppressing interference from bandspread communication signals
13635495496Method and apparatus for suppressing linear amplitude interference from bandspread communication signals
13645491716Weight-value controlled adaptive processor for spread spectrum receiver
13655483550Mobile cellular radio systems

1995

13665475707Broadband communications system
13675471503Scanning method for receiving a transmission in a communication system with slow frequency hopping and coding
13685471469Method of resolving media contention in radio communication links
13695469469Composite spread spectrum signal including modulator demodulator
13705467367Spread spectrum communication apparatus and telephone exchange system
13715463659Apparatus and method of configuring a cordless telephone for operating in a frequency hopping system
13725463656System for conducting video communications over satellite communication link with aircraft having physically compact, effectively conformal, phased array antenna
13735461629Error correction in a spread spectrum transceiver
13745459760Transmitting and receiving apparatus
13755457394Impulse radar studfinder
13765454010System and method for calibration of frequency hopping
13775452327Programmable randomly tunable digital demodulator
13785452319Method and system for increasing the reliability of multiple frequency communication systems
13795450453Method, apparatus and system for decoding a non-coherently demodulated signal
13805448593Frequency hopping time-diversity communications systems and transceivers for local area networks
13815446769Method for providing hand-offs in a frequency hopping communication system
13825442659Radio communications system with fault tolerant frequency hopping synchronization
13835440636Apparatus and method for processing of frequency hopping communications
13845440597Double dwell maximum likelihood acquisition system with continuous decision making for CDMA and direct spread spectrum system
13855438596Method and apparatus for generating diffusion code
13865438332Method of hardening transmissions, in particular between a control station and a transponder, and a device implementing the method
13875432814Spread spectrum communication system
13885430759Low-power frequency-hopped spread spectrum reverse paging system
13895428647Method and apparatus for synchronizing a received signal in a digital radio communication system
13905428637Method for reducing synchronizing overhead of frequency hopping communications systems
13915428602Frequency-hopping arrangement for a radio communication system
13925425051Radio frequency communication network having adaptive parameters
13935425049Staggered frequency hopping cellular radio system
13945422908Phased array spread spectrum system and method
13955418813Method and apparatus for creating a composite waveform
13965414731Command set and procedure for synchronization of frequency hopping control clocks
13975412687Digital communications equipment using differential quaternary frequency shift keying
13985408496Spread-spectrum, frequency-hopping radiotelephone system
13995408495Multiple cavity tuning of a transmitter output in a communication system
14005404374Method and apparatus for transmitting and receiving encoded data using multiple frequency coding
14015394436Radio frequency local area network
14025394433Frequency hopping pattern assignment and control in multiple autonomous collocated radio networks
14035386435Frequency hopping spread spectrum data communications system
14045379047Remote position determination system

1994

14055377222Frequency agile radio
14065377221Communications system
14075363401Mechanism for extracting hybrid (fh/ds) spread spectrum signals within multi-signal type environment
14085363108Time domain radio transmission system
14095361070Ultra-wideband radar motion sensor
14105359625Spread spectrum communication system particularly-suited for RF network communication
14115353341Cordless telephone arranged for operation in a frequency hopping system
14125353311Radio transmitter
14135345471Ultra-wideband receiver
14145345470Methods of minimizing the interference between many multiple FMCW radars
14155339331Frequency hopping spread spectrum receiver
14165335246Pager with reverse paging facility
14175323447Apparatus and method for modifying a frequency hopping sequence of a cordless telephone operating in a frequency hopping system
14185319801Seamless frequency hopping system
14195311541Frequency agile radio
14205307372Radio transceiver for transmitting and receiving data packets
14215303259Frequency-hopped electronic signal transmitter
14225291516Dual mode transmitter and receiver
14235291515Spread spectrum communication device
14245291475Slot hopped FD/TD/CDMA
14255289496Method and system for radio communication
14265287384Frequency hopping spread spectrum data communications system
14275283780Digital audio broadcasting system
14285278862Timing for spread-spectrum communication across noisy media

1993

14295274666Wireless communication system
14305267272Receiver automatic gain control (AGC)
14315265121Spread spectrum coherent processor
14325263047Multiple cavity tuning of a transmitter output in a communication system
14335263046Spread-spectrum chirp communication with sharply defined bandwidth
14345258997Spread spectrum apparatus
14355258996Spread spectrum apparatus
14365239555Frequency hopping signal interceptor
14375235613Frequency hopping method and apparatus
14385224121Rolling synthesizer method for baseband slow frequency hopping
14395222098Spectrum spread communication system
14405214788Process and device for information transmission between radioelectric transceivers of the same network operating in frequency hopping
14415212715Digital communication signalling system
14425193102Method and apparatus for improving detection of data bits in a slow frequency hopping communication system
14435179569Spread spectrum radio communication system
14445177767Spread-spectrum communication system

1992

14455168510Spread spectrum-time diversity communications systems and transceivers for multidrop area networks
14465168506Method for protected radio signal transmission
14475166953Technique for frequency-hopped spread spectrum communications
14485164959Digital equalization method and apparatus
14495157358High speed frequency agile FSK modulator
14505150378Method and apparatus for coherent communications in non-coherent frequency-hopping system
14515144668Signal overlap detection in a communication system
14525140610FM video data link spectrum spreading
14535130987Method for synchronizing a wide area network without global synchronizing
14545130668Amplifier arrangement with time constant control
14555123029Broadcast-initiated bipartite frame multi-access protocol
14565121408Synchronization for entry to a network in a frequency hopping communication system
14575113409Spread spectrum intercept apparatus and method
14585113278Communication system and apparatus using chip signals
14595105294Digital communicating method and apparatus
14605103460Spread spectrum intercept apparatus and method
14615101406Wireless communications system
14625099495Spread spectrum communication device
14635097485HF high data rate modem
14645090024Spread spectrum communications system for networks
14655084901Sequential chirp modulation-type spread spectrum communication system
14665079768Method for frequency sharing in frequency hopping communications network

1991

14675070500Memory package system utilizing inductive coupling between memory module and read/write unit
14685063572Channelized delay and mix chip rate detector
14695056108Communication system
14705048057Wireless local area network
14715040189Multiple frequency radio system employing pulse repeaters
14725029182Automatic gain control (AGC) for frequency hopping receiver
14735018165Communication system using spread spectrum and leaky transmission line
14745016256Spread spectrum intercept apparatus and method
14755008899Receiver for spectrum spread communication
14765005183Wireless telephone system
14775001723Sinusoidal M-ary orthogonal keyed decoding
14784985899Intercept detector for spread-spectrum signals
14794984219Method and apparatus for decoding of frequency inversion based scramblers

1990

14804979186Time domain radio transmission system
14814979170Alternating sequential half duplex communication system
14824972480Holographic communications device and method
14834969160Dual channel clock recovery circuit
14844968970Method of and system for power line carrier communications
14854962488Technique for surface to surface communications using high frequency radio with low probability of intercept signaling
14864961203Signal generator
14874959826Spread spectrum optical communication system with heterodyne detection
14884956644Channelized binary-level radiometer
14894942589Channelized binary-level hop rate detector
14904935940Interference-proof reception of radio signals using frequency hopping techniques
14914933954Device for recombination of a message transmitted by a frequency hopping transmitter
14924914699High frequency anti-jam communication system terminal
14934914674Signal generator

1989

14944888787Receiver apparatus for spread spectrum communication systems
14954872205Radio communication system having autonomously selected transmission frequencies
14964872200System of orthogonal code generators, radios provided with a code generator and code generators of such a system
14974866733Radio bus system
14984866732Wireless telephone system
14994850036Radio communication system using synchronous frequency hopping transmissions
15004843638Receiver for frequency hopped signals
15014843612Method for jam-resistant communication transmission
15024837823Communication system
15034829540Secure communication system for multiple remote units
15044813057Time domain radio transmission system
15054807248Automatic resynchronization technique
15064800390Adaptive antenna arrays for frequency hopped systems

1988

15074774716Method for the transmission of digital data
15084761796High frequency spread spectrum communication system terminal
15094760586Spread spectrum communication system
15104756009Method for transmitting digital data
15114752939Hidden preamble for frequency hopped synchronization
15124739186Frequency-selectable pulsed-sinusoid generation system

1987

15134716574Wirelessly functioning signal transmission system
15144716573Method of reducing the effect of narrowband jammers in radio communication between two stations
15154688251Wave packet communication subsystem for determining the sync pulses and correlating the data pulses of a wave packet
15164679207Single channel tracking for frequency hopping communication systems
15174677617Rapid frequency-hopping time synchronization
15184672605Data and voice communications system
15194669091Adaptive multipath distortion equalizer
15204656642Spread-spectrum detection system for a multi-element antenna
15214654859Frequency synthesizer for frequency hopping communication system
15224653068Frequency hopping data communication system
15234641317Spread spectrum radio transmission system
15244638493Adaptive interference rejection for improved frequency hop detection
15254635221Frequency multiplexed convolver communication system

1986

15264630282Frequency-hopping digital data link
15274616364Digital hopped frequency, time diversity system
15284613978Narrowband interference suppression system
15294612652Frequency hopping data communication system
15304608701Communication receiving unit for the suppression of noise and interference signals
15314607375Covert communication system
15324606041Frequency hopping data communication system
15334606040Transmitting-receiving station for a system for transmitting data by frequency hopping
15344601043Digital communications software control system
15354597087Frequency hopping data communication system
15364587662TDMA spread-spectrum receiver with coherent detection
15374583231Method of, and apparatus for, frequency-hopped frequency-shift-keyed digital data communications
15384578816Method of synchronization of transmitter-receiver stations of a frequency-jumping network and a station for the practical application of said method

1985

15394558453Synchronization method and frequency hopping communication system
15404553101Fast frequency hopping demodulation system with serial accumulation of signal
15414549303Multichannel time division multiplexed trunk transmission link
15424546326Fast automatic gain control arrangement
15434545059Antenna coupler system
15444538281Adaptive acquisition of multiple access codes
15454510579Fast correlation system
15464494238Multiple channel data link system

1984

15474490831Digital pulse detector circuit having selectable false alarm rate
15484490829Detection of angular modulated electromagnetic signals
15494485477Fast frequency/code search
15504481640Spread spectrum modem
15514479227Auto-balance method and apparatus for suppression of residual lines in a transmitted spectrum
15524475215Pulse interference cancelling system for spread spectrum signals utilizing active coherent detection
15534475214CW Interference cancelling sytem for spread spectrum signals utilizing active coherent detection
15544475208Wired spread spectrum data communication system
15554472814CW Interference cancelling system for spread spectrum signals
15564457003Time reference tracking loop for frequency hopping systems
15574454604Virtual time base direct synchronizer and method therefor
15584442527Synchronization systems
15594435821Receiver in a frequency hopping communication system
15604425661Data under voice communications system

1983

15614392231Spread spectrum FH-MFSK decoder
15624383323Spread spectrum FH-MFSK transmitter and receiver

1982

15634365327Method of and means for spread-spectrum transmission
15644363138Signal presence detector and method
15654361891Spread spectrum signal estimator
15664361890Synchronizing system
15674358844Method of and means for spread-spectrum transmission
15684355399Adaptive spread spectrum FH-MFSK transmitter and receiver
15694346475Data transmission system operating on the spread spectrum principle
15704335463Simultaneous integral multi-access transmission system on transmission lines by optical fibres
15714320514Spread spectrum FH-MFSK radio receiver
15724309769Method and apparatus for processing spread spectrum signals

1981

15734300235Communications systems
15744255791Signal processing system

1980

15754222115Spread spectrum apparatus for cellular mobile communication systems
15764217586Channel estimating reference signal processor for communication system adaptive antennas
15774209834State variant correlator
15784203071Pseudo-random-number-code-detection and tracking system
15794203070Pseudo-random-number code detection and tracking system
15804193030Frequency hopping communication system
15814189677Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system

1976

15823934203Spread spectrum modem
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Дата формирования списка: 03.04.2017