СПИСОК патентов США - подгруппа МПК16 H04B1/10


Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19609599Channel-sensitive power control
29609547Wireless communication system and method for replacing at least part of an interference signal to mitigate interference
39608718Method and apparatus for demodulation of a desired signal by constellation-independent cancellation of nonlinear-distorted interference
49608682Interference reduction for multiple signals
59608681Output driver architecture with low spur noise
69608680Messaging devices and methods
79608679Very low intermediate frequency (VLIF) receiver and a method of controlling a VLIF receiver
89608678Method and apparatus for mitigating interference between wireless local area network (WLAN) communications and cellular communications
99602313Time-controlled spatial interference rejection
109602152Method, apparatus, and computer program product for determining play events and outputting events based on real-time data for proximity, movement of objects, and audio data
119602151Apparatus and method for transmitting and receiving wireless signals subject to a spectral mask
129602069Programmable impedance network in an amplifier
139596715Long wireless local area network (WLAN) packets with midambles
149596105Time tracking schemes for reduced ISI in multi-transmission-point OFDM systems
159596014Method and apparatus for cancelling interference
169596013Method and device for operating a precoded MIMO system
179596002Transceiver front-end for communication over power lines
189595991Low power radio receiver
199595988Communication device and method for receiving a signal
209595987Wide tuning range receiver
219595986Method and system for extending dynamic range of receiver by compensating for non-linear distortion
229595985Power reduction in noise-cancelling receivers
239590768Method, receiver device, network node and mobile communication terminal for decoding transmissions
249590717Signal receiving method and electronic device
259590676Signal receiving apparatus and signal receiving method
269590672Method for determining threshold value of radio wave intensity for distinguishing noise in radio waves, and related wireless communication apparatus, analysis apparatus, and non-transitory computer readable medium
279590671Detector generating a displacement signal by injection locking and injection pulling
289590644Managing spurs in a radio frequency circuit
299584639Mobile device modular magnetic assembly
309584294Method for transceiving signal in wireless communication system, and apparatus therefor
319584171Adaptive data recovery
329584170Broadband superhetrodyne receiver with agile intermediate frequency for interference mitigation
339584164Digital intensive hybrid ADC/filter for LNA-free adaptive radio front-ends
349584077Impedance synthesis for optimum frequency response of a radio frequency (RF) amplifier
359582018Automatic gain compression detection and gain control for analog front-end with nonlinear distortion
369577786Pilot symbol generation for highly-spectrally-efficient communications
379577778Interference reduction using hybrid signaling
389577690Wideband digital spectrometer
399577689Apparatus and methods for wide bandwidth analog-to-digital conversion of quadrature receive signals
409577687Multiple interferer cancellation for communications systems
419577686Providing for radio frequency auto gain control (RF AGC)
429577349Near-field magnetic communication antenna
439572043Spatial routing among microwave backhaul transceivers
449571182Systems and methods for cancellation of cross-coupled noise
459571144Synchronised radio transceivers
469571143Interference rejection in ultra-wideband real time locating systems
479571142Apparatus to detect interference in wireless signals
489571141Wireless communication device and method of operating the same
499571036Heterodyne receiver structure, multi chip module, multi integrated circuit module, and method for processing a radio frequency signal
509565694Method and apparatus for reducing intercell interference
519564944Method and apparatus for managing interference in a communication device
529559835Signal receiver with multi-level sampling
539559736Auto-selection method for modeling secondary-path estimation filter for active noise control system
549559735Switching resonator filter circuits and methods
559559734Robust coefficient computation for analog interference cancellation
569559733Communication system and method of data communications
579559644Low noise amplifier
589558383Intermodulation mitigation technique in an RFID system
599553621Apparatus and methods for signal generation, reception, and self-calibration
609553620Signal detection and characterization
619553352Communication device and display incorporating antennas between display pixels
629549406Automatically adjustable radiofrequency link
639549293Preemptive tuning
649549222Noise suppression in a hybrid fiber coaxial network utilizing selective enabling/disabling of signal paths
659548776Interference cancelation using cooperative sensing
669548775Mitigation of transmitter passive and active intermodulation products in real and continuous time in the transmitter and co-located receiver
679548774Signal generator with image rejection
689544864Data transmission system and receiving device
699544123Electronic device and noise-cancellation method
709544084Automatic gain adjustment and control method and device for eliminating interference between GSM and LTE in MSR receiver
719544044Systems and methods for parallel signal cancellation
729543998Systems, methods, and devices for managing coexistence of multiple transceiver devices using bypass circuitry
739543994Methods and systems for estimation and mitigation of swept-tone interferers
749543993Radio frequency interconnect
759538364Method and system for SIM selection
769537521System for and method of removing unwanted inband signals from a received communication signal

2016

779531482Canister antenna producing a pseudo-omni radiation pattern for mitigating passive intermodulation (PIM)
789531419Loop-through for multi-chip communication systems
799531416Radiofrequency signal receiver designed to be installed on a satellite
809531415Systems and methods for activity determination based on human frame
819529078Using orthogonal space projections to generate a constant false alarm rate control parameter
829526109Limiting intermodulation distortion across frequency bands
839525572Signal correction method and receiving machine
849525445Method and apparatus of uplink interference suppression and cancellation for advanced wireless communication systems
859525444Adaptive element shuffler
869521023Systems for analog phase shifting
879521020Data packet processing for estimation of a direction towards a transmitter
889515855Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference
899515688Reception apparatus having dual reception structure, and method of receiving signal using dual reception structure
909515687Inter carrier interference cancellation for orthogonal frequency domain multiplexing receivers
919515634Selecting of a pre-filter in a receiver of a communication system
929510135Device, system and method for selecting, sharing and displaying electronic content
939509538Digital communication receiver using partial knowledge of the channel state information
949509352Phase-noise cancellation apparatus and method
959509351Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver
969509343Antenna switching system with adaptive switching criteria
979503174Divide-and-conquer approach to mitigating relay-to-relay interference
989503155Tuning asymmetry of a differential digital interface to cancel magnetic coupling
999503154Methods and systems for interference estimation via quantization in spread-spectrum systems
1009503139Very low intermediate frequency (VLIF) receiver and method of controlling VLIF receiver
1019503138Interference cancellation
1029503137Interference cancellation in microwave backhaul systems
1039503136Receiver and receiving method of receiver
1049503135Sliding intermediate frequency (IF) receiver with adjustable division ratio and sliding IF reception method
1059503134Methods and apparatus for adapting transmitter configuration for efficient concurrent transmission and radar detection through adaptive self-interference cancellation
1069503133Low noise detection system using log detector amplifier
1079503040Method and apparatus for changing the gain of a radio frequency signal
1089497578Near field communications (NFC) device having adjustable gain
1099496970Method and apparatus of handling in-device co-existence interference in a multi-radio environment
1109496908Superheterodyne receiver with improved immunity to spurious noise interference
1119496907Circuit arrangement for processing a radio-frequency signal
1129496905Detection and mitigation of interference in a receiver
1139496904Methods and systems for processing received signals for a wireless network receiver
1149491715Thermal noise power floor estimation
1159491395Tuning circuit and receiver
1169491306Signal processing control in an audio device
1179491011Methods and systems for transmitting data by modulating transmitter filter coefficients
1189490933Electronic device and method for removing interferential signals of mobile device
1199490924Prompting method and wireless device
1209490856Method for suppressing transmission noise comprised in received downlink signal and communications apparatus utilizing the same
1219490855Method and apparatus for self-directed interference cancellation filter management
1229490852Multiple input and multiple output switch network
1239490764Fast automatic gain control (AGC) for packet based systems
1249484969Delta-pi signal acquisition
1259484968Post conversion mixing
1269484967Method for duty cycle distortion detection through decision feedback equalizer taps
1279484966Method and apparatus for sensing inter-modulation to improve radio performance in single and dual tuner
1289484879Nonlinear capacitance linearization
1299480071Intelligent skipping of interfering frequency measurements in UE measurement gaps
1309479380System and method for determining intermodulation distortion in a radio frequency channel
1319479367Apparatus and method for transmitting and receiving preambles in a digital video broadcasting system
1329479272Method and apparatus for processing a transmission signal in communication system
1339479270Apparatus and methods for loss of signal detection
1349479207Narrowband RSSI technique(s) for the mitigation of adjacent satellite interference
1359479206Time segment based software defined radio system
1369479205Methods and apparatus for mitigating known interference
1379479140Complex-pole load offering concurrent image rejection and channel selection
1389473336Radio frequency (RF) front end having multiple low noise amplifier modules
1399473253Robust active self-interference cancellation in the presence of external in-band signals using guard region signal measurements
1409473228Variable diversity RX bandwidth for self-organizing networks
1419473183Antenna system calibration
1429473182Oportunistic interference cancellation of radar signals
1439473181Digital combiner for phased-array RF receivers
1449473101Amplifier with integral notch filter
1459467315Circuit and method for performing adaptation on all receiver branches
1469467251Method and system for forward error correction decoding with parity check for use in low complexity highly-spectrally efficient communications
1479467236Method of In-device interference mitigation for cellular, bluetooth, WiFi, and satellite systems coexistence
1489467184Branch circuit and branch cable
1499467181Radio frequency receiver capable of determining a noise estimate in case of received power unbalanced antennas and method of operating thereof
1509467180Communication apparatus and communication method
1519465063Method and system for the estimation and cancellation of multipath delay of electromagnetic signals, in particular SSR replies
1529462440Community interaction using mobile communication devices
1539461864Apparatus and method for adaptively selecting channel code based on non-gaussianity of channel in wireless communication system
1549461814High-speed clock skew correction for serdes receivers
1559461756Calibration apparatus and method of terminal in wireless communication system
1569461703Interference signal compensation
1579461697In-service monitoring and cancellation of passive intermodulation interferences
1589461682Method and system for filtering out adjacent frequency band interference
1599461681Receiver
1609461680Wireless receiver
1619461679System, method, and apparatus for analog signal conditioning of high-speed data streams
1629455846Decision feedback equalization
1639455763Evaluation of compressed sensing in UWB systems with NBI
1649455756Systems and methods for frequency independent analog self-interference cancellation
1659455755Aggregate signal amplification device and method
1669455686Wireless communication device and tunable filter thereof
1679455680Tunable RF filter structure formed by a matrix of weakly coupled resonators
1689453916Filtering out a jammer signal
1699451495Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
1709450716Cross-correlated digital wireless communication system
1719450685System and methods for null steering in a multicarrier system
1729450637Method and apparatus for managing interference in a communication device
1739450626Sawless architecture for receivers
1749450625Methods, systems, and non-transitory computer readable media for wideband frequency and bandwidth tunable filtering
1759450624Interference cancellation and improved signal-to-noise ratio circuits, systems, and methods
1769450623Noise canceler for use in a transceiver
1779450566Sharp programmable filters using periodically time-varying components
1789444654Multidrop data transfer
1799444504Apparatus and method for selective signal cancellation
1809444503Active signal processing personal health signal receivers
1819444502Interference cancellation system for cancelling interference in the optical domain
1829439090Method for measuring intensity of interference signal based on CSI-RS in wireless communication system and apparatus for same
1839438454Alignment of multiple editions of a signal collected from multiple sensors
1849438297Protective case with electronic function for electronic device
1859438288System providing reduced intermodulation distortion
1869438287Apparatus and method for mitigating loss of signal content
1879438286Accurate desensitization estimation of a receiver
1889438285Passive intermodulation detection
1899438284Non-linear interference cancellation for multiple receiver antennas
1909438283Baseband time domain cancellation of data bus interference
1919438282Receiver, transmitter and radio communication method
1929438279Wireless device with adaptively-tunable electrically-small antennas
1939438204Signal processing device and signal processing method
1949432152Video multimode multimedia data communication systems
1959432099Method and apparatus for reporting channel state information in wireless communication system
1969432065Communication transceiver interface
1979431997Interference signal cancellor with active tunable notch filter
1989431962Coefficient estimation for digital IQ calibration
1999431961Phase shifting mixer
2009426692Creating library of interferers
2019426681Method and radio receiver enabling harmonic distortion estimation
2029426008Signal processing device and method
2039425921Systems and methods for suppressing interference in a wireless communication system
2049425841Configurable harmonic filtering
2059425840Wideband tunable notch cancellation
2069425839Mitigating signal interference in a wireless network
2079425838System and method for digital interference cancellation
2089425759Receiver circuit and gain controlling method thereof
2099420479Method and apparatus for processing of intermodulation products
2109419825Selectable-tap equalizer
2119419824Digital transmitter
2129419675Isolation tuners for directional couplers
2139419672Wireless communication device and wireless communication method
2149419662High-voltage radio-frequency attenuator
2159419661Impulse noise mitigation under out-of-band interference conditions
2169419660Signal receiver with a duty-cycle controller
2179419659Signal receiver, related method, and related electronic device
2189419578Tunable RF filter paths for tunable RF filter structures
2199414245Method and apparatus for detection of intermodulation products
2209413579Determining frequency errors in a multi-carrier receiver
2219413574Systems and methods for DC offset correction
2229413562Receiving node and method for determining channel estimate
2239413449Diversity reception apparatus, diversity reception method, reception program, and recording medium
2249413403Wake-up receiver with automatic interference rejection
2259413401Method for measuring co-channel signal interference, and receiver
2269413400Blocker filtering for carrier aggregation receiver
2279413399Mobile wireless communications device providing enhanced interference mitigation from wireline transmitter and related methods
2289413300Front-end matching amplifier
2299408015Reducing receiver performance degradation due to frequency coexistence
2309407478Low power and area bootstrapped passive mixer with shared capacitances
2319407477Method and apparatus for correlation canceller for interference mitigation with adaptive DC offset cancellation
2329407315Transmission/reception device
2339407304Inductor based switching mixer circuit
2349407301Angle diversity receiving device and angle diversity receiving method
2359407300Adjacent-channel interference and spur handling in wireless communications
2369407299Radio reception device and radio reception method in radio communication system
2379407298Radio frequency (RF) analog interference cancellation (AIC) with multiple antennas
2389407205Double down-conversion with multiple independent intermediate frequencies for E-band applications
2399401741Methods and systems for mitigating signal interference
2409400928Method of compensating for signal degradation in transmission systems
2419398636Adjacent channel optimized receiver
2429397378Waveguide-type image rejection filter and single-sideband receiver, frequency divider, and sideband-separating receiver using the same filter
2439391816Edge based partial response equalization
2449391744Method and apparatus for analyzing and mitigating noise in a digital subscriber line
2459391720Apparatus and method for receiver with interference tolerance
2469391717Method and system for signal dynamic range improvement for frequency-division duplex communication systems
2479391659Transmitter harmonic cancellation for carrier aggregation/multiband operation
2489391657Antenna matching device
2499391656Distributed noise shaping apparatus
2509391655Digital filter for narrowband interference rejection
2519391654Systems and methods for reducing a relatively high power, approximately constant envelope interference signal that spectrally overlaps a relatively low power desired signal
2529391653Computing filtered signal as mid-value between first and second variables
2539385819Terminal device, base station device, communication system, reception method, transmission method, and communication method
2549385766Digital signal processing device, receiving device, and signal transmitting and receiving system
2559385765Diversity receiver front end system with phase-shifting components
2569380541Managing specific absorption rate distribution to maximize transmit power of a wireless device
2579379929Phase imbalance calibration
2589379753On-chip linearity calibration
2599379750Systems and methods for dampening TDMA interference
2609379749VCO-coupling mitigation in a multiple-carrier, carrier aggregation receiver
2619379748Interference adaptive wideband receiver
2629379747Detection and mitigation of interference based on interference location
2639378843Collaborative analog-to-digital and time-to-delay conversion based on signal prediction
2649374196System and method for digital memorized predistortion for wireless communication
2659374177Method, device, and system for processing communications system signal
2669374147Base station and method of calculating correction value
2679374116Software defined radio technique
2689374115Method, base station and apparatus in a base station for reducing intermodulation distortion
2699374114Receiver apparatus with blocker detection path parallel with receiver path and associated blocker detection method
2709369909Method and apparatus for mitigating signal interference in a feedback system
2719369812Wireless receiver circuit and method
2729369310Equalisation of a signal received over a wireless channel
2739369309Receiving apparatus, method for receiving, and wireless communication system
2749369220Receiving device
2759369217Cellular up-link harmonic spurs mitigation in Wi-Fi and bluetooth receivers
2769369216Communication apparatus
2779369162Communication apparatuses
2789369160Communications system using signal modulation
2799363125Blind phase tracking method for a filter bank multi-carrier (FBMC)receiver
2809363119FSK decoding using envelope comparison in the digital domain
2819363014Non-linear distortion compensator, method of compensating non-linear distortion, and optical receiver
2829362999Method of selecting receive antennas for MIMO systems
2839362966Bidirectional ports for multi-tuner background radios
2849362965Phase noise suppression
2859362964Receiver architecture for dual receiver signal level and interference detection in microwave digital radio applications
2869362963Radio-frequency signal reception circuit and isolated signal transmission apparatus
2879357426Method and apparatus for avoiding interference
2889356707Method to trigger in-device coexistence interference mitigation in mobile cellular systems
2899356639Receiver with multi-spectrum parallel amplification
2909356636RF-to-BB-current-reuse wideband receiver with parallel N-path active/passive mixers
2919356634Down-conversion circuit
2929356633Apparatus and method for receiving multipath signals in wireless communication system
2939356632Intermodulation distortion canceller for use in multi-carrier transmitters
2949356630Wireless display performance enhancement
2959351175System and method for determining an interferer transmitting an interfering signal
2969351036Channel receiving apparatus and related channel receiving method
2979350570Method of operating a receiver and a receiver
2989350422Communication system, communication slave and communication master
2999350414Digital filter for narrowband interference rejection
3009350400Unequal rate interference cancellation
3019350399Method and apparatus for baseband processing an analog signal in a direct conversion radio receiver
3029350398Multiple interferer cancellation for communications systems
3039350397Method for transmitting an uplink reference signal in a multi-node system and terminal using same
3049350396Systems and methods for reducing signal distortion in wireless communication
3059350298Circuit and method for image frequency rejection
3069350081Switchable multi-radiator high band antenna apparatus
3079350076Wideband voltage-driven electrically-small loop antenna system and related method
3089348780Circuit and methods to use an audio interface to program a device within an audio stream
3099344301Acquisition device with multistage digital equalization
3109344202Received signal quality indicator
3119344130Leakage calibration for a frequency converter
3129344127Graphene resonator based mixer-first receiver on CMOS for digitally controlled and widely tunable RF interface
3139344126Receiving apparatus, receiving method, and program
3149344125Remote interference cancellation for communications systems
3159344124Jammer resistant noise cancelling receiver front end
3169344123Systems and methods for historical signal interference cancellation (SIC)
3179344122Adaptive filtering for canceling distortion in radio frequency signals
3189344107Continuous time ADC and filter
3199344039Down-conversion circuit with interference detection
3209337965Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
3219337947Filter apparatus, multiplex device and associated method
3229337885Systems and methods for hybrid self-interference cancellation
3239337877Method and system for multiband interference mitigation with multipath cancellation
3249331737Systems and methods for cancelling interference using multiple attenuation delays
3259331728Power dissipation reduction in wireless transceivers
3269331727Method and apparatus for processing signal interference
3279331726Method for locating defective points in a high frequency (HF) signal transmission path
3289331667Methods, systems, and apparatuses for temperature compensated surface acoustic wave device
3299331651Method and apparatus for automatic gain control in a current mode RF receiver
3309326288Method and apparatus for transmitter optimization based on allocated transmission band
3319325533Systems and methods for improved wireless channel estimation
3329325441Signal reception multi-tuner system and corresponding method
3339325437Apparatus and method for detecting spectrum interference
3349325432Systems and methods for full-duplex signal shaping
3359325360Reducing non-linearities in a differential receiver path prior to a mixer using calibration
3369325359Radiofrequency signal setting reaching a condition of jamming or clipping
3379325358Method for reducing second order distortion in harmonic rejection mixer
3389325299Detecting method and device for suppressing interference of low-frequency noise
3399324334Signal processing apparatus, signal processing method, and program
3409319916Method and appartus for signal interference processing
3419319248Decision feedback equalizer using current mode processing with CMOS compatible output level
3429319084Noise cancellation apparatus and method
3439319082Receiver and transmitter of coping with interference in super-regenerative communication system, and method of using the receiver and the transmitter
3449319081Communication device with improved interference rejection and a method thereof
3459319080Detection-enhanced adjustable bandwidth circuit
3469319079Reception quality measuring apparatus and reception quality measuring method
3479319078Wireless communication device and sensing method
3489319027Injecting a tone for image rejection calibration
3499313680Method and apparatus for signal interference processing
3509313678Method and apparatus for measuring interference in a telecommunications system
3519313672Method for coordinated transmission in a plurality of cells of a wireless communication system
3529312938Method and system for improving uplink performance
3539312897DC offset filter for wide band beamforming receivers
3549312896Device for ranking wireless links
3559312895Two stage radio frequency interference cancellation system and method
3569312831Charge sharing analog computation circuitry and applications
3579307549Dynamic SNR adjustment in a receiver supporting 256QAM
3589306790Multi-channel simultaneous sampling with a single ADC
3599306688Smart FM/AM auto-scanner
3609306654Opportunistic active interference cancellation using RX diversity antenna
3619306607Wideband interference mitigation system with negative group delay and method for wideband interference cancellation
3629306606Nonlinear filtering using polyphase filter banks
3639306605Electronic device having frequency shifting UART
3649306603Tunable radio frequency (RF) front-end architecture using filter having adjustable inductance and capacitance
3659306540IF-noise-shaping transistorized current-mode lowpass filter utilizing cross coupled transistors
3669306394Distributed load current sensing system
3679304189Systems and methods for detecting radar signals
3689301310Robust techniques for upstream communication between subscriber stations and a base station
3699300496System and method for determining modulation control information and a reference signal design to be used by a transmitter node
3709300335Device and method for communication correction
3719300334Anti-interference method and device for a wireless communication system
3729295009Transcendental function look-up tables for thermal noise power floor estimation
3739294318Symbol detection for alleviating inter-symbol interference
3749294208Method and system to signal network information in TPS bits
3759294144Method and apparatus for an adaptive filter architecture
3769294140Radio frequency interference mitigation
3779294139System and methods for constructing a noise replica
3789294138Mixer sequence design for N-path filters
3799294137Method for reducing amplitude noise in a received signal within an RFID interrogator
3809294136Frequency interference detection and correction
3819294126Cyclic redundancy check circuit and semiconductor device having the cyclic redundancy check circuit
3829291715Interference wave signal removing device, GNSS reception apparatus, mobile terminal, interference wave signal removing program and interference wave removing method
3839288755Inter-rat coverage determination for energy saving management
3849288697Wireless communication circuit with a wideband received signal strength indicator
3859288097Interference cancellation scheme using constellation diagram
3869287951Precoder for spatial multiplexing, multiple antenna transmitter
3879287950Channel quality indicator apparatus and method
3889287923Method of detecting interference in a satellite radio-navigation signal based on the monitoring of a temporal correlation coefficient
3899287912Multimode receiver with complex filter
3909287911Mitigating signal interference
3919287907Management of coexistence of communicating sub-systems in wireless devices
3929281989Compensation apparatus, signal generator and wireless communication equipment
3939281882Transmission of symbols in a MIMO environment using Alamouti based codes
3949281864Method and apparatus for an adaptive filter architecture
3959281853Integrated circuit for communication
3969281852Method and apparatus for calibrating time alignment
3979281798Device for impedance matching a component, comprising a filter having matchable impedance, based on a perovskite type material
3989277446Interference mitigating method
3999277288Systems and methods to attenuate intermodulation interference
4009276704Maximum likelihood sequence detection in the phase domain
4019276656Method and system for improving uplink performance
4029276619Dynamic configuration of modulation and demodulation
4039276618Systems and methods for sidelobe cancellation
4049276592Multimedia interface receiving circuit
4059271185Method and apparatus for interference mitigation utilizing antenna pattern adjustments
4069270512Nonlinearity compensation for reception of OFDM signals
4079270416Multi-mode transmitter for highly-spectrally-efficient communications
4089270393Method and system for reducing amplitude modulation (AM) noise in AM broadcast signals
4099270390Frequency and phase offset compensation of modulated signals with symbol timing recovery
4109270328Multimode receiver architecture
4119270314RF-to-BB-current-reuse wideband receiver with a single-MOS pole-zero LPF
4129270311Methods and systems for calibrating an analog filter
4139270310Interference cancellation in microwave backhaul systems
4149270309Receiver of radio frequency signals
4159270308Adaptive radio-frequency interference cancelling device, method, and receiver
4169270307Method and apparatus for improving audio reception in a paging device
4179270306Receiving device for receiving a hybrid broadcast
4189270262Power management during wakeup
4199270246Power limiter
4209268981Systems and methods for joint beamforming and preamble detection
4219264925Systems and methods for LTE interference detection
4229264916Reducing in-device interference between multiple wireless communications of a multi-mode mobile device
4239264281Wireless communication receiver with I/Q imbalance estimation and correction techniques
4249264218Rising and falling edge detection and re-assembly for high speed serial data communications
4259264179Decision feedback equalizer for highly spectrally efficient communications
4269264156Technique for calibrating a receiver apparatus
4279264145Optical receiver having a chromatic-dispersion compensation module with a multibranch filter-bank structure
4289264084Radio receiver having enhanced automatic gain control circuitry
4299264083Communication circuit and semiconductor device
4309264082System and algorithm for multipath mitigation
4319264081Method and apparatus for interference cancellation efficiency estimation and control
4329264080Reducing second order distortion in an amplifier
4339258019Communication device
4349253565System and characterization of noise sources using acoustic phased arrays and time series correlations
4359252919Method and device for demodulating reliable and residual data
4369252891Die-to-die communication links for receiver integrated circuit dies and related methods
4379252865Interference reduction for multiple signals
4389252825Wideband digital spectrometer
4399252823Phase compensation filtering for multipath wireless systems
4409252822Adaptive non-linear model for highly-spectrally-efficient communications
4419252746Control device, frequency control method, and receiving device
4429247553Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
4439246720Semiconductor device and receiver
4449246603Method of in-device interference mitigation for cellular, bluetooth, WiFi, and satellite systems coexistence
4459246577Vehicular communication apparatus
4469246528Distributed antenna for wireless communication at high speed
4479246526Convolutional deinterleaving apparatus and associated method
4489240822Method of handling power reduction at transmitter and related communication device
4499240815Reconfigurable filter
4509237462Signaling data channel's configuration information to facilitate interference cancellation
4519237043Method and apparatus to provide simultaneous sensing and transmission for dynamic spectrum access
4529237038Channel and noise estimation method and associated apparatus
4539236998Transmitter and receiver calibration for obtaining the channel reciprocity for time division duplex MIMO systems
4549236970Signal processing device, signal processing method, and program
4559236895Phase filter for radio frequency (RF) signals
4569236663Electronic device having adaptive filter circuitry for blocking interference between wireless transceivers
4579232423Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
4589231808Systems and methods for compensating for impulse noise
4599231802Influence clock data recovery settling point by applying decision feedback equalization to a crossing sample
4609231801Adaptive non-linear interference cancellation for intermodulation distortion
4619231650Method and apparatus for an adaptive filter architecture
4629231647Joint analog and digital interference cancellation in wireless systems
4639231634Compensation apparatus and wireless communication equipment
4649231631Circuits and methods for adjusting the voltage swing of a signal
4659231630Radio device having dynamic intermediate frequency scaling
4669231628Low-complexity, highly-spectrally-efficient communications

2015

4679226174Improving reception by a wireless communication device
4689225620Systems and methods for self-optimization in wireless base stations by detection of interference at the edge of a received radio frequency band
4699225559Apparatus and method to process signals from one or more transmission sources
4709225369Filtering blocker components of a signal
4719225368Periodic time segment sequence based signal generation
4729225367Decision feedback equalizer and receiver
4739219631System and method for increasing spot beam satellite bandwidth
4749219596Front end module with active tuning of a balancing network
4759219510Signal receiving system, semiconductor device, and signal receiving method
4769219509System performance improvement using data reordering and/or inversion
4779219508Interference mitigation for a communications system
4789219507Blocker-tolerant wideband noise-canceling receivers
4799219506Wireless transmitter, wireless receiver, wireless communication system, elevator control system, and transformer equipment control system
4809215723Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
4819215722Method of managing interference in a wireless communication system
4829215719Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
4839215122Radio communication apparatus and interference signal detection method
4849215112Decision feedback equalizer
4859215000Antenna switching system with adaptive switching criteria
4869214999Apparatus and method for adaptive receive diversity using link quality in wireless communications
4879214983Method and apparatus for collecting and processing interference information
4889214973Time varying notch filter
4899214972Method and apparatus for on-demand interference rejection in multi-band GNSS receivers
4909214971Apparatus and method for evaluating statistical interference concerning multi-source noise environment of electromagnetic zone
4919214970Method of receiving a signal in a wireless communication network and associated network elements
4929210270Echo cancellation for ultrasound
4939210006Method for processing a data signal and receiver circuit
4949209962High-speed clock skew correction for serdes receivers
4959209911Radio with a switched mode power supply
4969209910Blocker filtering for noise-cancelling receiver
4979209857Method and apparatus for signal interference processing
4989209848Methods and systems for dual-using a reception channel
4999209846Radio communication circuit and radio communication device
5009209845Calibration
5019209844Subsampling receiver using interstage off-chip RF band pass filter
5029209843Fine phase estimation for highly spectrally efficient communications
5039203659Computing system with interference classification mechanism and method of operation thereof
5049203529Via placement in radio frequency shielding applications
5059203483Reception apparatus, radio communication method, and radio communication system
5069203467Method of management for operating a broad band communication system and a narrow band communication system implemented in a same frequency band
5079203461Methods, systems, and non-transitory computer readable media for wideband frequency and bandwidth tunable filtering
5089203455Full duplex system with self-interference cancellation
5099203451System and method for an RF receiver
5109203445Mitigating media station interruptions
5119201447Apparatus and method using first and second clocks
5129198055Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
5139197334Radio signal receiver unit and signal processing unit
5149197266Low current RSSI detector
5159197265Receiving device and method for removing mismatch in wireless communication system, and low-power amplifier thereof
5169197264Reducing interference for multiple receive antennas
5179197263Compensation apparatus, signal generator and wireless communication equipment
5189197262Low-power and low-cost adaptive self-linearization system with fast convergence
5199197260Radio frequency receiver system for wideband signal processing
5209197221Class-F CMOS oscillator incorporating differential passive network
5219191836System and method for reducing interference in wireless communication systems
5229191691Method and device for diagnosing interference noise problems
5239191258Reception device and reception method
5249191127Signal filtering
5259191050Multi-layer coefficient control for dynamic interference cancellation
5269191049Method and apparatus for adaptive cancellation of distortion and phase noise
5279191048Quadrature impulse noise remover
5289191047Detecting narrow band interference in wireless networks using spectral analysis
5299191046Reception device
5309191045Prediction-based FM stereo radio noise reduction
5319191044Methods and apparatus for multiple input multiple output (MIMO) successive interference cancellation (SIC)
5329191043Direct digital RF conversion
5339191042Interference cancellation technique for channel estimation in OFDM receivers
5349191036Asymmetrical receivers for wireless communication
5359190699Band switch with switchable notch for receive carrier aggregation
5369185746Dual-mode mobile terminal
5379185712Single antenna interference cancellation in a mobile communication system
5389184820Spatio-temporal processing for communication
5399184776Signal tuning with variable intermediate frequency for image rejection and methods
5409184775Methods and apparatus for adaptive nonlinear coincident interference cancellation
5419184774Systems and methods for implementing a multi-sensor receiver in a DSM3 environment
5429180357Multiple antenna interference rejection in ultra-wideband real time locating systems
5439179329Apparatus and method for interference mitigation
5449178733Intermediate frequency receiver with dynamic selection of the intermediate frequency used
5459178605Method and system for controlling a communications carrier's power spectral density (PSD) using spread spectrum for matched spectral allocation
5469178600Packet data transmission in a mimo system
5479178559Method and system of calibration of a second order intermodulation intercept point of a radio transceiver
5489178553Systems and methods for enhancing audio quality of FM receivers
5499178550Interference mitigation for devices with multiple receivers
5509178548First adjacent canceller (FAC) with improved blending using a parametric filter
5519178547Mitigating intermodulation distortion in a receiver
5529178546Phase-noise cancellation apparatus and method
5539178545Digital IIR filter with adjustable filter weights based on measured changes in the processed data
5549178544Parameter offset estimation through use of a secondary signal collected from multiple sensors
5559178543Virtual reception diversity apparatus and method in wireless communication system
5569177946Semiconductor circuit with electrical connections having multiple signal or potential assignments
5579172476Method and system for removal of noise in signal
5589172417Power management for a battery-powered handheld audio device
5599172416Simplified high frequency tuner and tuning method
5609172414Method and device for implementing radio frequency coexistence management strategy in wireless devices
5619172413Method and apparatus for performing wireless communications with aid of successive data processing in multiple iterations
5629172412Reducing electromagnetic radiation emitted from high-speed interconnects
5639172411Advanced signal processors for interference cancellation in baseband receivers
5649171538Method and system for reducing impulsive noise disturbance
5659167573Method and apparatus of transmitting reference signal for uplink transmission
5669167446Apparatus and method for mitigating voltage droop in a dual-transceiver wireless communication device
5679167067Motor vehicle noise management
5689166841Receiving apparatus and receiving method
5699166833Feed forward equalization for highly-spectrally-efficient communications
5709166829Method for estimating a radio channel
5719166731Transformer with integrated notch filter
5729166642Signal receiving device and signal receiving method
5739166637Impulse noise mitigation under out-of-band interference conditions
5749166636Rejection of RF interferers and noise in a wireless communications transceiver
5759166561Variable transmission line
5769164522Wake up bias circuit and method of using the same
5779160600Method for receiving frequency domain multiplexed signal and device for receiving frequency domain multiplexed signal
5789160582System and method for phase recovery with selective mitigation of timing corruption due to digital receiver equalization
5799160437Wireless communication device and wireless communication method
5809160436Optimal decoding of transmit diversity code with varying channel characteristics
5819160385Dynamic digital communication system control
5829160384Filter having signal detection function
5839160383Method for estimating covariance matrices and use thereof
5849160382Phase noise mitigation for wireless communications
5859160381Adaptive frequency-domain reference noise canceller for multicarrier communications systems
5869155049Method and apparatus for power reduction control in home network environment
5879154344Charge-domain filter apparatus and operation method thereof
5889154265Fast detection/mitigation and recovery for severe EMI conditions in automotive area networks
5899154239Co-located frequency management and mitigation
5909154213Interference reduction for multiple signals
5919154187System and method for operating a filter for echo cancellation
5929154179Receiver with bypass mode for improved sensitivity
5939154078Device, system and method of wireless communication over a plurality of wireless communication frequency channels
5949148320Transceiver front-end for communication over power lines
5959148212Motor vehicle antenna system
5969148185Filter circuit and receiving apparatus
5979148184Power detection circuit and power detection method
5989148183Optimal low power complex filter
5999148137RF device with a transmit/receive switch circuit
6009148124Complex band pass filter and receiver
6019143287Mitigation of wireless signal interference
6029143246Detection and mitigation of interference in a receiver
6039143191Method and apparatus for filtering and combining multipath components of a signal received at multiple antennas according to a wireless communication protocol standard designed for a receiver having only a single receive antenna
6049143177Technique for automatic gain control
6059143176Method and system for multipath fingerprinting by maximum discrimination techniques
6069143175Rateless and rated coding using spinal codes
6079137055Techniques for improving channel estimation and tracking in a wireless communication system
6089136950Systems and methods for cancelling cross polarization interference in wireless communication using polarization diversity
6099136891Adaptive data decoding
6109136890Signal detection with adjustable number of interferring signals
6119136889Mixer biasing for intermodulation distortion compensation
6129136811Automatic gain control (AGC) for multichannel/wideband communications system
6139131454Compensating power spectral density for power levels
6149130795Highly-spectrally-efficient receiver
6159130747Software radio frequency canceller
6169130690Receiving device
6179130683Silence based attenuation for enhanced idle-channel FM or other receiver co-existence with a coexisting radio and circuits, processes, and systems
6189130643Systems and methods for enhancing audio quality of FM receivers
6199130639Frequency resolver
6209130638Modulation and equalization in an orthonormal time-frequency shifting communications system
6219130637Communication methods and systems for nonlinear multi-user environments
6229130636Low power, low out-of-band harmonic content radio
6239130627Multi-mode receiver for highly-spectrally-efficient communications
6249130625Interference avoidance method of pulse signal and terminal applicable thereto
6259130624Envelope feedback interference reduction and data throughput maximization
6269130529Area-efficient degenerative inductance for a low noise amplifier (LNA)
6279125203Method and apparatus for managing wireless communication network radio resources
6289124924Multi-transport stream (TS) generating apparatus and method, and digital broadcasting transmission and reception apparatuses and methods
6299124479Wireless base station receiving device, and signal demodulation method and program used therein
6309124452Apparatus and method for iterative interference cancellation in a wireless communication network
6319124405Receiver and method of receiving
6329124397Wireless communication system with interference mitigation mechanism and method of operation thereof
6339124338Method and apparatus for efficient DC calibration in a direct-conversion system with variable DC gain
6349124336Interference mitigation in a communication system
6359124335Wideband receiver robust to radio frequency harmonics
6369119004Wireless device
6379118535Method and apparatus for configuring a frequency dependent I/Q imbalance compensation filter
6389118469Reducing electromagnetic interference in a received signal
6399118439Receiver for imbalanced carriers
6409118401Method of adaptive interference mitigation in wide band spectrum
6419118396Tunable notch filter using feedback through an existing feedback receiver
6429118378Interference cancellation with time-varying interference and/or distortion
6439118377Method for interference and carrier power estimation and its application to automatic gain control and signal-to-interference-and-noise-ratio computation
6449118376Carrier aggregation front end architecture
6459118358Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
6469118335High resolution millimeter wave digitally controlled oscillator with reconfigurable distributed metal capacitor passive resonators
6479118295Systems and methods for adaptive equalization control for high-speed wireline communications
6489118294Receiving device and gain control method
6499113481Adaptive non-linear interference cancellation using side-band information
6509113362Method and apparatus to separate coverage limited and co-channel limited interferences
6519112657Method for extracting interference signal information and apparatus for the same
6529112594Method and apparatus for signal interference avoidance
6539112571Method for correlating a received satellite radio-navigation signal and correlation device implementing the method
6549112570Femtocell tunable receiver filtering system
6559112569Detection and mitigation of interference based on interference location
6569112567Apparatus and method for compensation of AM noise in RFID devices through modulation of a received signal
6579112566Filter
6589107089Method, apparatus, and computer program product for location based query for interferer discovery in coexistence management system
6599106497Apparatus and method for improving OFDM receiver performance in the presence of narrowband interferers
6609106472Channel state information (CSI) estimation and applications for in-band on-channel radio receivers
6619106416Front end module with tone injection
6629106304Correction of quadrature errors
6639106300Method and apparatus for detecting narrow-band interference in a communication system
6649106299Audio signal processing circuit
6659106298Suppression of adjacent channel interference by adaptive channel filtering in mobile radio receivers
6669106292Coarse phase estimation for highly-spectrally-efficient communications
6679103910Using orthogonal space projections to generate a constant false alarm rate control parameter
6689100860Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
6699100859Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
6709100850Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
6719100842Apparatus and method for supporting calibration for radio frequency circuit in communication device
6729100260Interference suppressing OFDM system for wireless communications
6739100243Dynamic Low-IF frequency for interference mitigation
6749100110Non-linear interference cancellation with multiple aggressors
6759100084Synchronizing and detecting interference in wireless receiver
6769100081Radio reception device for vehicle and noise cancellation method
6779100079Wireless transceiver and method of controlling the wireless transceiver
6789100078RF receiver and digitally-assisted calibration method applicable thereto
6799100071Timing pilot generation for highly-spectrally-efficient communications
6809094275Interference cancellation (IC) receiver
6819094253Systems and methods for adaptive blind mode equalization
6829094117Channel diagnostics based on equalizer coefficients
6839094081Method for improving the range of an electromagnetic signal receiving system
6849094080Method and apparatus for estimating statistics in wireless systems
6859094079System and method for I-Q imbalance correction
6869094078Method and apparatus for removing noise from input signal in noisy environment
6879094077Slope detecting receiver
6889094076Method and system for interference cancellation
6899093982Direct sampling circuit and receiver
6909088344Frequency agile filter using a digital filter and bandstop filtering
6919088340Wireless communication apparatus
6929088329Canceling narrowband interfering signals in a distributed antenna system
6939088328Receiver of a mobile communication device
6949088327Systems and methods for channel quality indicator (CQI) selection for non-deterministic receivers
6959088326Front end radio architecture having a split band arrangement with co-banding
6969088325Array antenna apparatus
6979083582Transmitter noise cancellation in a multi transmitter-receiver system
6989083571Symbol-wise channel tracking for smart utility networks (SUN) orthogonal frequency division multiplexing (OFDM)
6999083419Estimation of a multipath signal in a wireless communication system
7009083418Versatile antenna received signal strength measurement system not affecting antenna pattern and receiver performance
7019083417Method and device for interference cancellation
7029083408Implicit and explicit channel sounding for beamforming
7039083393User equipment for simultaneously transmitting signals to which different wireless communication systems are applied through a plurality of frequency bands
7049083290Amplifier apparatus, signal processing apparatus, radio communication apparatus, connector mounting structure, and coaxial connector
7059078149Method and apparatus for improving call quality for user
7069077593Receiver circuit and method for controlling receiver circuit
7079077568Receiving apparatus and method for accelerating equalization convergence
7089077443Method and apparatus for signal interference processing
7099077422Validation and stabilization of noise matrices
7109077421Systems and methods for hybrid self-interference cancellation
7119077420RF receiver with sideband symmetry circuit
7129077302Amplifier for a wireless receiver
7139071480Unified interference power estimation
7149071472Method and apparatus for signal parameter estimation
7159071343Method and apparatus for avoiding interference
7169071325Saw-less, LNA-less low noise receiver
7179071319Circuit and method for filtering adjacent channel interferers
7189071318Techniques for determining covariance measures based on correlation criteria
7199071317Nullification of transmitter noise at receive signal frequency
7209071316Method for detection of symbols in communication signals
7219071315Interference signal diversity combining for interference cancellation
7229071314Method and apparatus for cross polarization and cross satellite interference cancellation
7239071313Method and apparatus for demodulation of a desired signal in the presence of nonlinear-distorted interference
7249071305Timing synchronization for reception of highly-spectrally-efficient communications
7259066367Macro-femto inter-cell interference mitigation
7269065710Interference identification for orthogonal frequency division multiplexing (OFDM) based systems
7279065686Spur detection, cancellation and tracking in a wireless signal receiver
7289065551Device and method for adaptively suppressing in-band interference signals in radio receivers
7299065550Reception apparatus
7309065538Transmission-reception device
7319065521Systems and methods for reducing narrow bandwidth and directional interference contained in broad bandwidth signals
7329065519Method and system of interference cancelation in collocated transceivers configurations
7339065517Implementing blind tuning in hybrid MIMO RF beamforming systems
7349065508Transmitter harmonic cancellation for carrier aggregation/multiband operation
7359065491Adjusting phase imbalance between in-phase (I) and quadrature-phase (Q) signals
7369065487Wideband software-defined RF receiver
7379059796Wideband receiver robust to radio frequency harmonics
7389059786Ingress suppression for communication systems
7399059773Radio frequency tuner
7409059770System and methods for null steering in a multicarrier system
7419059768Interference cancellation system and method
7429059766System and method for controlling current to certain components of a wireless communication device
7439059764Method of selecting receive antennas for MIMO systems
7449059672Gain partitioning in a receiver
7459058632Community interaction using mobile communication devices
7469055500Load estimation in softer handover
7479054933Orthogonal frequency division multiplex (OFDM) receiver with phase noise mitigation and reduced latency
7489054902Apparatus and system for switching equalization
7499054798Non-foster circuit stabilization method
7509054782Methods for canceling interfering wireless signals in cable customer premises equipment devices and outside plant
7519054773Apparatus comprising a broadcast receiver circuit and provided with an antenna
7529054770Communication circuit and semiconductor device
7539054768Interference reduction of multiple signals
7549054748Reconfigurable wideband receiver
7559054665Method and apparatus for removing acoustic incident signal
7569054412Channel estimation filter normalization
7579053755Method and apparatus for active noise shedding
7589048921Receiver for wireless communication system
7599048920Method and apparatus for reducing FM audio artifacts in a receiver
7609048919Method and apparatus for an adaptive filter architecture
7619048917Method and apparatus for estimating noise covariance in a wireless network
7629043855Noise suppression in a hybrid fiber coaxial network
7639042857Methods, systems, and non-transitory computer readable media for wideband frequency and bandwidth tunable filtering
7649042856Method and apparatus for using erasure to improve signal decoding during an interference event
7659042501Receiving circuit, use, and method for receiving an encoded and modulated radio signal
7669042499Radio frequency (RF) receivers with whitened digital clocks and related methods
7679042498DM-CM diversity receiver for a wireline communication system
7689042497Method and apparatus for mitigating signal interference in a feedback system
7699041470Wireless communication unit and semiconductor device having a power amplifier therefor
7709041458Universal filter implementing second-order transfer function
7719037106Baseband harmonic rejection circuit
7729036753Calibration method and calibration apparatus for calibrating mismatch between I-path and Q-path of transmitter/receiver
7739036751Skew compensation based on equalizer coefficients
7749036749Systems and methods for frequency independent analog self-interference cancellation
7759036747Wireless communication receiver with phase noise estimation and phase noise compensation performed after channel estimation, and related wireless communication receiving method and phase noise compensation apparatus
7769036460System and method for cooperative precoding in heterogenous two-tier wireless networks
7779031567Method and apparatus for transmitter optimization based on allocated transmission band
7789031528Radio interference testing for multi radio devices
7799031527Iterative filter circuit calibration
7809031526Method and apparatus for in-channel interference cancellation
7819031525Method of manufacture of a passive high-frequency image reject mixer
7829031177Digital calibration of analog distortion using split analog front-end
7839031176Signal selection
7849031171Digital down converter circuit
7859026071Multi-systems integrated modulation module and communication device
7869026064Dynamic cancellation of passive intermodulation interference
7879025711Fast filtering for a transceiver
7889025710Compensating for unwanted interference in a communications receiver
7899025709Receiver front-end circuit, communication unit and method therefor
7909025500Simultaneous bidirectional transmission for radio systems
7919025427Data transmission circuit and data transmission / reception system
7929024684Area-efficient PLL with a low-noise low-power loop filter
7939020544Method and apparatus for deriving presence information using message traffic analysis
7949020080Method and system to adaptively cancel sinusoidal interference from a signal processing system
7959014652Mobile communication device
7969014651Interference cancellation in multi-mode radio access technology devices
7979014319Cancellation pulse crest factor reduction
7989014318Self-calibrating continuous-time equalization
7999014316Method and apparatus utilizing multiple transmission receivers
8009014315Cascaded high-level narrowband/low-level wideband interference canceler
8019014252Band-pass high-order analog filter backed hybrid receiver equalization
8029014251Rank-order equalization
8039014100Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
8049013233Interface for MEMS inertial sensors
8059008603Integrated circuit comprising an integrated transformer of the "BALUN" type with several input and output channels
8069008250Method, modem, and system for canceling adjacent channel interference
8079008249Detection and filtering of an undesired narrowband signal contribution in a wireless signal receiver
8089008248Variable low IF receiver for multi-channel applications
8099008246Transmission device, transmission method, reception device, reception method, program, and communication system
8109008245Optimal symbol detection in the presence of non-gaussian interference
8119002421Antenna assembly for portable device
8129002311Frequency domain interference cancellation and equalization for downlink cellular systems
8139002310IP2 calibration methods and techniques
8149002289Wireless communication apparatus, wireless communication system, interference causing control method, storage medium and control apparatus
8159001947Linearization of multi-antenna receivers with RF pre-distortion
8169001944Inter-carrier interference reduction for multi-carrier signals
8178995944Radio frequency switch for suppressing intermodulation
8188995594Baseband cancellation of platform radio interference
8198995593Communication device using spatial diversity, communications system and method
8208995592Signaling to support advanced wireless receivers and related devices and methods
8218995589Channel estimation in a pilot assisted OFDM system
8228995518Equalizer for heavily clipped or compressed communications signals
8238989691Impedance balancing for power supply rejection in single-ended receivers
8248989690Method and apparatus for interference measurement and response
8258989689Apparatus and method for preventing occurrence of electromagnetic interference in portable terminal
8268989326Method and apparatus for software GPS receiver
8278989325Multi-mode frequency domain equalization with adaptation to varying channel conditions
8288989323Single cable including multiple interconnections between two radio units for cross polarization interference cancellation
8298989322Data detection and receiver circuit
8308983379Data transmitting and receiving apparatus and method, and solid state drive including the same
8318977226Mobile terminal
8328977223Two stage radio frequency interference cancellation system and method
8338977222Phase-noise reduction technique using frequency-to-current conversion with baseband integration
8348977211Systems and methods for calibrating harmonic rejection in switching mixers
8358976918Wireless communication device and weight coefficient computation method
8368976917Method and apparatus for filtering and combining multipath components of a signal received at multiple antennas according to a wireless communication protocol standard for filtering a signal received by a single antenna
8378976916Apparatus and method for receiving dual band RF signals simultaneously
8388976915Adjacent-channel interference reject filter device, wireless communication device, and keyless entry device
8398971835Receiver with wide dynamic range and low power consumption
8408971834Digital and analog IM3 product compensation circuits for an RF receiver
8418971833Electronic device with dynamic drive strength adjustment to mitigate impact of system noise on wireless performance
8428971207Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
8438970292Universal filter implementing second-order transfer function
8448965322Low noise amplifier
8458965321Dual receive filter
8468965320Method and arrangement for enabling improved receiver quality for noise limited uplink signals
8478965319Methods and devices for reducing radio frequency interference
8488965318Dynamic RFI detection
8498965308Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
8508964916Signal-to-noise ratio (SNR) dependent channel tracking for smart utility networks (SUN) orthogonal frequency division multiplexing (OFDM)
8518964915Method and apparatus for improving communication rate
8528964914Device, system and method of combining received wireless communication signals
8538964912Adaptive timing recovery via generalized RAKE reception
8548964825Analog signal current integrators with tunable peaking function
8558963629Variable admittance circuit
8568958769Direct conversion receiver for angle modulated signals
8578958512System and method for receiver equalization adaptation
8588958510Selectable bandwidth filter
8598958509System for sensor sensitivity enhancement and method therefore
8608958493Operation for backward-compatible transmission
8618958468System and method for canceling radio frequency interferers (RFI's) in xDSL signals
8628954025Tactical radio transceiver with intermediate frequency (IF) filter package for narrowband and wideband signal waveforms
8638954024Full duplex wireless method and apparatus
8648953728System for processing data streams
8658953725MIMO repeater system and method for canceling feedback interference using the same
8668953724Canceling narrowband interfering signals in a distributed antenna system
8678953723Iterative interference suppression using mixed feedback weights and stabilizing step sizes
8688952749Filter with combined resonator and integrator
8698948799Channel quality indicator apparatus and method
8708948743Method and system for implementing local call local switch
8718948718Devices and methods using the Hermetic Transform
8728948712Via density and placement in radio frequency shielding applications
8738948699Method and arrangement for interference mitigation
8748948328Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
8758948323Method and device for suppressing interference in communication networks using frequency switched transmit diversity coding
8768942975Noise suppression in a Mel-filtered spectral domain
8778942656Reduction of second order distortion in real time
8788942655Integrated circuit, wireless communication unit and method for determining quadrature imbalance
8798942329Fast and reliable channel classification algorithms in Bluetooth networks to detect and avoid 2.4 GHz interferers
8808942223Interference cancelation using edge signals for synchronization signal detection
8818938041Techniques for managing interference in multiple channel communications system
8828938040Improving receiver performance in a communication network
8838938039Semiconductor device and receiver
8848937993Crest factor reduction for brand-limited multi-carrier signals
8858934859System and method for detection of RF signal spoofing
8868934843Weighting factor adjustment in adaptive antenna arrays
8878934842Receiver and a method for mobile communications
8888934590Signal receiver with multi-level sampling
8898934588Wireless communication system with direct conversion mechanism and method of operation thereof
8908934586Selectable interference cancellation in a communications receiver
8918934520Radio receiver in a wireless communication system
8928929848Interference-robust receiver for a wireless communication system
8938929847Signal processing circuit with circuit induced noise cancellation
8948929846Generic electromagnetically-countered methods
8958929495Method for equalizing filterbank multicarrier (FBMC) modulations
8968929494Systems and methods for joint beamforming and preamble detection
8978929468Common-mode detection with magnetic bypass

2014

8988923794Temperature compensation of acoustic resonators in the electrical domain
8998923793Wireless communication device, wireless communication method, and wireless communication program
9008923461Method and faculty to measure and compensate DCO frequency distortions using a DPLL
9018923459Channel quality estimation
9028923456Method and system for channel estimation
9038923455Asymmetrical feedback for coordinated transmission systems
9048923453System and method for iteration scheduling in joint equalization and turbo decoding
9058923167Communication device for simultaneous transmission by multiple transceivers
9068917802Modulation scheme determination through use of multiple sensors
9078913976Amplifiers with shunt switches
9088913901System and method for blind equalization and carrier phase recovery in a quadrature amplitude modulated system
9098913702LNB frequency down conversion integrated circuit and chip, LNB frequency down conversion circuit and method
9108913701Multichannel radio receiver with overlapping channel filters
9118912843Ultra low cut-off frequency filter
9128909187Harmonic reject receiver architecture and mixer
9138908816Receiver with distortion compensation circuit
9148907973Content adaptive image restoration, scaling and enhancement for high definition display
9158903347Simplified high frequency tuner and tuning method
9168903029Monobit receiver spurious harmonics control method and system
9178902958Methods and apparatus to combine data from multiple source to characterize communication systems
9188902778Communication device for detecting collision in operating frequency band and another frequency band, and communication method thereof
9198897735Self-correlation receiver and transceiver including the same
9208897412Method and apparatus for phase noise mitigation
9218897407RF (including GNSS) signal interference mitigation system and method
9228897354Receiver apparatus, method for processing received signal and computer program product
9238897182Apparatus and method for transmitting muting information, and apparatus and method for acquiring channel state using same
9248892432Signal processing system, apparatus and method used on the system, and program thereof
9258892157Integrated passive device with electrostatic discharge protection mechanism
9268891711Adaptive de-noise filtering
9278891710Frequency-domain filtering for channel estimation in communications systems
9288891709Adaptive equalization and interference cancellation with time-varying noise and/or interference
9298891708Obtaining a desired non-zero phase shift using forward-backward filtering
9308891707Receiving device and method thereof
9318891700Method for detecting, classifying, and reducing interference in wireless networks
9328891346Data transmission circuit and data transmission/reception system with reduced jitter
9338890619PIM compensation in a receiver
9348886151Receiving device and method for removing mismatch between signal paths in a low noise amplifier in wireless communication system, and low-power amplifier therefor
9358886150Narrowband interference detector
9368885780Estimating signal to interference ratio in a wireless communications receiver
9378880133Vehicle communication device
9388880071Vertical handover composite quality measures
9398880017Active resistive summer for a transformer hybrid
9408880016Anti-jamming system
9418879679Frequency offset compensation improvement for a long term evolution (LTE) searcher
9428879658Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas
9438878945Phasor-based pulse detection
9448874153Method and apparatus for reduction of intermodulation products
9458874062Apparatus for removing DC components inherent in a radio frequency chain
9468874059Reducing power consumption on a receiver
9478873687Digital front end receiver using DC offset compensation scheme
9488873684BICM decoding in the presence of co-channel interference
9498873683Interference and noise estimation in a multiple input multiple output (MIMO) receiver
9508868020Community interaction using mobile communication devices
9518868018Reciprocal mixing noise cancellation system
9528867679Systems and methods for cancelling cross polarization interference in wireless communication using polarization diversity
9538867677Demodulation device
9548867397Method and apparatus for uplink power control in an orthogonal frequency division multiple access communication system
9558867382Power control method for a GERAN system to increase GERAN network capacity
9568862089Circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof
9578862088Adjustable circuit architecture
9588862087Reciprocal mixing noise cancellation in the presence of a modulated blocker
9598862063Devices and methods for phase shifting a radio frequency (RF) signal for a base station antenna
9608861663Correlated noise canceller for high-speed ethernet receivers
9618861662Efficient estimation of channel state information (CSI) feedback
9628855593Saw-less receiver with notch at transmitter frequency
9638855592Arrangements for narrow band interference detection
9648855591Preselector interference rejection and dynamic range extension
9658855580Methods and apparatus for reducing own-transmitter interference in low-IF and zero-IF receivers
9668855254Systems and methods for pre-averaged staggered convolution decimating filters
9678855253Error prediction for two-stage receivers
9688855252Method and apparatus for reducing or removing click noise
9698855185Equalization device, reception device and equalization method
9708854944Methods and apparatus for interference cancellation
9718849231System and method for adaptive power control
9728848847Sampling receiver with inherent mixer functionality
9738843182Multiple network wake-up
9748843098Reconstruction filter with built-in balun
9758843097Method and system for blocker attenuation using multiple receive antennas
9768843096Multi-antenna system
9778843093Low power squelch detector circuit
9788842789Coefficient-specific filtering of initial channel estimates
9798842785Soft scaling method and apparatus
9808842776Method and receiver for estimating the channel impulse response using a constant modulus interference removal iteration
9818838127Interference mitigation method in cellular wireless network, and apparatus with the same
9828838057Harmonic rejection mixer architecture with reduced sensitivity to gain and phase mismatches
9838837654Signal receiver with group delay and amplitude distortion compensation
9848837653High frequency signal receiver with self-calibrated group delay compensation
9858837651Apparatus and method for estimating a channel in broadband wireless access system
9868837567Systems and methods for channel estimation of MoCA signals
9878837566System and method for detection of noise in sparse data sets with edge-corrected measurements
9888837332Method for a canceling self interference signal using passive noise cancellation for full-duplex simultaneous (in time) and overlapping (in space) wireless transmission and reception on the same frequency band
9898831550Method of compensating signal imbalance of wireless communication system
9908831549Receiver circuit and associated method
9918831150Method and apparatus for detecting a preamble in a received signal
9928831139Method and system for delay matching in a rake receiver
9938824988Using direct phase noise measurement and blocker recovery to cancel reciprocal mixing noise
9948824987Squelch detector circuit and method
9958818317Frequency converter and receiver that uses the frequency converter
9968818314Filtering interference detected at wireless receiver
9978817927Adaptive interference canceller in a digital phase array
9988817926Channel estimation and equalization for hard-limited signals
9998817918Cyclic prefix and precursor joint estimation
10008817825Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA
10018815614Method for improving prompt dose radiation response of mixed-signal integrated circuits
10028811914Method and apparatus for dynamically processing an electromagnetic beam
10038811553Edge based partial response equalization
10048811198Pilot report based on interference indications in wireless communication systems
10058805316Method of manufacture of a passive high-frequency image reject mixer
10068804886Soft cancellation of inter-layer interference within a MIMO codeword
10078804885Delay compensation in equalizer-based receiver
10088804865Delay adjustment using sample rate converters
10098804610Packet transmission scheduling method for simultaneous packet transmission in multiplexing paths in wireless network, and packet transmission method using the same
10108803730Radar pulse detection using a digital radar receiver
10118803681Object finder
10128798569Channel estimation method and device in a multi-antenna system
10138798216High dynamic range radio architecture with enhanced image rejection
10148798213Communication device and method
10158798212Method and apparatus for processing feedback in a wireless communication system
10168792600Fractional frequency and sampling-rate change in the frequency domain
10178792598Coexistence of multiple communication technologies on a single device
10188792543Impulse noise mitigation under out-of-band interference conditions
10198787861Method and apparatus for reducing echo and crosstalk in a communication system
10208787860Image cancellation in receivers using dual adaptive filters
10218787853Receiver system comprising a main receiver and au auxiliary receiver for correcting imperfections in the main receiver
10228787511Frequency and Q-factor tunable filters using frequency translatable impedance structures
10238787510Channel selection exploiting multiple observations of the channel delay spread
10248787509Iterative interference cancellation receiver
10258781429Ordered electromagnetic interference cancellation
10268781044Method and apparatus for an adaptive filter architecture
10278781043Successive equalization and cancellation and successive mini multi-user detection for wireless communication
10288781030Fully compensated adaptive interference cancellation system
10298774747Radio frequency receiver
10308774335Method and apparatus for an adaptive filter architecture
10318774334Dynamic receiver switching
10328768283Complex intermediate frequency mixer stage and calibration thereof
10338768279Cross-polarization interference compensation apparatus, cross-polarization interference compensation method, and program
10348768261Apparatus and method for reducing interferences between base stations in wireless communication system
10358767884Receiver
10368767800Protection relay device and protection relay method
10378767594Dual-mode mixer
10388761709Controlling a receiver
10398761708Direct conversion receiver and calibration method thereof
10408761328Equalizer architecture for data communication
10418761323Impairment covariance and combining weight updates during iterative turbo interference cancellation reception
10428761322Methods and apparatuses for enhanced received signal processing based on a data-signal-aided channel impulse response estimation
10438760330Analog-to-digital converter, signal processor, and method for analog-to-digital conversion
10448755762RF receiver with oscillation based blocker
10458755475Maintaining linear beamforming weights in communications systems
10468755473Method and apparatus for detecting rapid changes in signaling path environment
10478755426Rank-order equalization
10488750818Signal processing circuit with circuit induced noise cancellation
10498750817Controlling filter bandwidth based on blocking signals
10508750442Digital receiver and waveform compensation method
10518750438Interference resistant compressive sampling
10528744395System and method for mitigating radio frequency interferences
10538744029Method and apparatus for quantifying characteristics of a received serial data stream
10548744027Infrared receiver circuit
10558744026Method and apparatus for interference suppression using a reduced-complexity joint detection
10568744025Digital signal conditioning
10578743987Symbol detection for alleviating inter-symbol interference
10588737920Method and apparatus for managing wireless communication network radio resources
10598737550Estimating optimal linear regression filter length for channel estimation
10608737548Adaptive loading for orthogonal frequency division multiplex (OFDM) communication systems
10618737546Channel estimation techniques for OFDM
10628731504System and method for performing RF filtering
10638731464Apparatus and method for minimizing amplifier oscillation in an antenna system
10648731123Demultiplexing device, multiplexing device, and relay device
10658731122Spurious component reduction
10668731121Method and arrangement in a telecommunication system
10678731119Apparatus and method for reducing receiver frequency errors
10688731118Data clock recovery loop jam set using subcarrier frequency estimate
10698730609DC shift detection and correction
10708725506Speech audio processing
10718725103Receiver including a tracking filter
10728725100Apparatus and method of reducing noise for frequency modulated signals
10738724755Receiving apparatus and receiving method
10748724751Method for a single radio aggregated spectrum receiver, computer program, receiver, and terminal
10758718589Compensating for unwanted distortion in a communications receiver
10768718588Signal processing circuit having mixer units using oscillation signals with different phases and frequency-selective combining block for frequency-selectively combining outputs of mixer units and related method thereof
10778718584Dual conversion receiver with programmable intermediate frequency and channel selection
10788718210Channel impulse response estimation for wireless receiver
10798718208Recovery of data from a multi carrier signal
10808717986Apparatus and method for determining MIMO/DSM operating mode
10818712361Method and system for reciprocal mixing cancellation of wideband modulated blockers
10828712358Reception system including a mechanism countering pulsed interference
10838711994Methods for determining decoding order in a MIMO system with successive interference cancellation
10848711993Wideband multi-channel receiver with fixed-frequency notch filter for interference rejection
10858711986Advanced joint detection in a TD-SCDMA system
10868711979Method of improving sensitivity and interference rejection in wireless receivers
10878711918Adaptive known signal canceller
10888710918Electronic component and reflected-wave cancelling method
10898706070RF system for reducing intermodulation (IM) products
10908705674Multi-band single-carrier modulation
10918705649Method and receiver structure for interference cancellation in co-ordinated multipoint systems
10928705411MUROS modulation using linear baseband combinations with linear gaussian pulse shaping for two users on one timeslot used by non-DARP and DARP remote stations
10938704843Image processing apparatus and image processing method
10948699984Adaptive noise figure control in a radio receiver
10958699645Method and apparatus for a robust fractionally spaced equalizer
10968699644Adaptive low-complexity channel estimation
10978699641Method and apparatus for ATSC signal processing
10988699590Efficient OFDM peak reduction algorithm
10998698554Second order active high-pass filter with cross-coupled feedback for Q enhancement
11008694037Method for improving radio performance in a simulcast environment using phase tilted filters
11018693971Receiver, receiver circuits, and methods for providing an interference-reduced signal
11028693968Very low intermediate frequency (VLIF) receiver
11038693601Self-correcting multirate filter
11048693579Switchable DVB-H receiver
11058692612Electronic device for regulating a variable capacitance of an integrated circuit
11068687682Transmitter adaptation loop using adjustable gain and convergence detection
11078687525Co-channel communication methods, systems, and devices
11088682383Data account management method for a mobile communication terminal
11098682312Method, system and service control point for realizing call management
11108682275Apparatus and methods for reducing interference in radio-frequency apparatus
11118682254Wireless communication system modeling
11128676145Mixer circuits for second order intercept point calibration
11138676144Adaptive interference nulling for MIMO receiver based on interference characteristics
11148676143Multimode receiver with active blocker suppression
11158675796Interference cancellation under non-stationary conditions
11168675795Apparatuses for adjusting a bandwidth and coefficient values of a receiver in a wireless network
11178675794Efficient estimation of feedback for modulation and coding scheme (MCS) selection
11188675782Highly-spectrally-efficient receiver
11198674754Loop filter and phase-locked loop
11208674753Systems and methods for cancelling phase-locked loop supply noise
11218670739Frequency-translational bandpass filter with harmonic rejection
11228670738Imbalance compensator for correcting mismatch between in-phase branch and quadrature branch, and related imbalance compensation method and direct conversion receiving apparatus thereof
11238670734Searcher detection metrics
11248670720Devices and methods for phase shifting a radio frequency (RF) signal for a base station antenna
11258670719Multi-point opportunistic beamforming with selective beam attenuation
11268670718Method and system for antenna selection diversity with biasing
11278670510Method and system for channel estimation in a single channel MIMO system with multiple RF chains for WCDMA/HSDPA
11288670355System and method for network based hearing aid compatible mode selection
11298666350Analog front end circuit for cable and wireless systems
11308666349Radio frequency (RF) receiver with dynamic frequency planning and method therefor
11318666348Noise canceling control apparatus, recording medium, and noise canceling control method
11328666347Methods and devices for reducing radio frequency interference
11338666343DC-offset-correction system and method for communication receivers
11348666005Configurable adaptive filter
11358666002Receiver for compensating I/Q mismatch, compensation device, compensation module and compensation parameter calculating module
11368665038Bulk acoustic wave resonator filter being digitally reconfigurable, with process
11378665011Micro electro-mechanical system circuit capable of compensating capacitance variation and method thereof
11388660512High-frequency prestage and receiver
11398660496Arrangement and technique for interference mitigation
11408660226Systems and methods for multichannel noise reduction
11418660225Method and device for acquiring precoding matrix
11428660224Method and system for pre-equalization in a single weight spatial multiplexing MIMO system
11438655301Frequency agile duplex filter
11448655300Detecting interference in wireless receiver
11458655299Saw-less receiver with RF frequency translated BPF
11468655298Method and system for locating interferences by frequency sub-band
11478655297Nonlinear distortion compensating receiver and nonlinear distortion compensation method
11488654913Equalisation processing
11498654912MIMO transmitter with pooled adaptive digital filtering
11508654911Uplink SDMA pilot estimation
11518654909Semiconductor integrated circuit
11528654908Correlation prevention methods for satellite adaptive cancellation links
11538654907Data receiver with improved response to long and short term fading
11548654905Method and apparatus for canceling interference
11558644785Filtering using impedance translator
11568644780Gain control circuit, FM receiver and computer program product
11578644437Digital compensation of a nonlinear system
11588644416Method and system for accurately converging a timing recovery mechanism and an equalizer at a receiver
11598644412Interference-weighted communication signal processing systems and methods
11608643446Electro-magnetic interference reduction using opposing field transmitter
11618639996Systems and methods for uplink inter-cell interference cancellation using hybrid automatic repeat request (HARQ) retransmissions
11628638893Mechanisms for the correction of I/Q impairments
11638638892Adaptive narrowband interference prediction circuit and method
11648638891Channel architecture with multiple signal processing branches for a given physical channel
11658638174Digital signal generator
11668634794Multi-user interference cancellation in a single-carrier radio receiver
11678634793IP2 calibration measurement and signal generation
11688634507Receiver having an adaptive filter and method of optimizing the filter
11698634454Receiver circuit, method of adjusting offset, and transmission/reception system
11708630603Circuit and method for image frequency rejection
11718630602Pilot interference cancellation
11728630381Apparatus and method for receiving dual band RF signals simultaneously
11738630380Receiver apparatus, image signal attenuating method, and mismatch compensating method
11748630378Interference cancellation with improved estimation and tracking for wireless communication
11758630337DVB-S2 Demodulator
11768626103Method and apparatus for filtering
11778626102Radio coexistence using clock rate adaptation
11788625217Branch metric computation and noise predictive calibration/adaptation for over-sampled Y samples

2013

11798620390Mail handling apparatus and method for handling e-mail
11808620252Ultra low power, low noise switched capacitor radio frequency mixer
11818620250Resonator-based filtering
11828620231Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
11838619929Positioning signal reception device and control method of positioning signal reception device
11848619928Multi-stage interference suppression
11858619744Reception method and receiver
11868618872Filter with controlled cut-off frequency step-down
11878615280Error correction for DTMF corruption on uplink
11888615062Adaptation using error signature analysis in a communication system
11898615061Method and apparatus for cross polarization and cross satellite interference cancellation
11908615060Reception apparatus, reception method, and program
11918611843Communications filter package for narrowband and wideband signal waveforms
11928611483Multi-layer time-interleaved analog-to-digital convertor (ADC)
11938610495Adaptive filtering of blocker signals in demodulators
11948606321High-selectivity low noise receiver front end
11958606289Power headroom-sensitive scheduling
11968606279Radio network communication system and protocol using an automatic repeater
11978606207Fractal curve based filter
11988606184Coexistence message processing mechanism for wireless devices
11998605844Apparatus and method for receiving imperfectly phase compensated electromagnetic signals
12008605840Method to cancel impulsive interference from a signal processing system
12018605838Interferer parameter estimation method and apparatus
12028605837Adaptive frequency-domain reference noise canceller for multicarrier communications systems
12038605828Blind mechanism for demodulating offset QPSK signals in the presence of carrier phase error
12048605776Proximity contactless communication apparatus capable of selecting appropriate encoding method according to bandwidth between antennas
12058600433Receiver comprising selectable signal processing sub-systems
12068600332Electronic devices having interferers aligned with receiver filters
12078600331Radio receiver with reconfigurable baseband channel filter
12088600330Filter arrangement
12098600329Interference signal canceller
12108599981Post-filter, decoding device, and post-filter processing method
12118599979Interference cancellation with a time-sliced architecture
12128599976Multi-user multiple input multiple output (MU-MIMO) receiver
12138594606Smoothing filter for irregular update intervals
12148594605Semiconductor integrated circuit and operation method of the same
12158594604Fringe capacitor circuit
12168594603Systems and methods for cancelling interferers in a receiver
12178594261Transmitting/receiving system and broadcast signal processing method
12188594260Method and system for channel equalization
12198594259Receiving circuit, use, and method for receiving an encoded and modulated radio signal
12208593525Phasor-based pulse detection
12218588724Optimal narrowband interference removal for signals separated in time
12228588723General receiver device with adaptive filter
12238588718Frequency modulated broadcasts
12248588353Frequency selective IQ correction
12258587729Receiver
12268583170Multi-band aggregated spectrum receiver employing frequency source reuse
12278583071Methods and circuits for detecting and reporting high-energy particles using mobile phones and other portable computing devices
12288583070Autonomous electromagnetic emissions reduction for sensitivity improvement
12298583069Method and arrangement for reducing interference in a received signal
12308583049Self-optimizing integrated RF converter
12318582704Communications unit and method for detecting pulse interference
12328582702Electronic device for receiving a radio-frequency signal
12338582624Method and apparatus for enhancing the accuracy of the estimated covariance matrix in wideband-CDMA systems
12348576966Systems and methods for detecting tampering with video transmission systems
12358576965Methods and systems for interference cancellation in multi-mode coexistence modems
12368576943Linearization for a single power amplifier in a multi-band transmitter
12378571509Dynamic selection of oscillation signal frequency for power converter
12388571508Method and wideband antenna system to minimise the influence of interference sources
12398571156Receiver apparatus
12408571155Distortion and aliasing reduction for digital to analog conversion
12418571153Method and apparatus for mitigating interference in a satellite signal receiver
12428570100Direct sampling circuit and receiver
12438570099Single-ended-to-differential filter using common mode feedback
12448565710Wireless transmitter having frequency translated bandpass filter
12458565709Digital signal filter
12468565708Rejection of interferers
12478565707Cancellation of spectral images in communication devices
12488565702Audio hole suppression method and apparatus for a two-way radio
12498565359Refinement of channel estimation with a bank of filters
12508564475Apparatus and method for ray-tracing in wideband Gbyte GBPS communication system
12518559905Systems, devices, and methods for suppressing frequency spurs in mixers
12528559573Communications circuit and method with re-positionable sampling span
12538559537Spectral-temporal averaging for IEEE 802.11p dynamic channel equalization
12548559293Wireless communication apparatus, wireless communication network and method of controlling routing selection
12558554267Broadband input frequency adaptive technique for filter tuning and quadrature generation
12568553822Time filtering for excess delay mitigation in OFDM systems
12578553820Groupwise successive interference cancellation for block transmission with reception diversity
12588553755Interference suppression processing unit and a method of suppressing interference in wireless data communication
12598553622Apparatus and method for suppressing interference caused by coexistence of WiMAX and WiFi
12608553610Interference cancellation repeater incorporating a non-linear element
12618552790Harmonic rejection of signal converting device and method thereof
12628552375Switched capacitor filter systems and methods
12638548414Circuit and method for reducing radio-frequency power consumption of mobile phone
12648548413Noise suppression apparatus
12658543123Method and apparatus for scheduling resource allocation to control inter-cell interference in a cellular communication system, and base station thereof
12668543063Multi-point opportunistic beamforming with selective beam attenuation
12678542716Continuous time chaos dithering
12688538365Performing power control in a receiver based on environmental noise
12698538364Filter circuit and receiver using the same
12708538362Squelch detection circuit and method
12718537944Apparatus with a plurality of filters
12728537942System and method of maintaining correction of DC offsets in frequency down-converted data signals
12738532240Decoupling sampling clock and error clock in a data eye
12748532237Correction of alternating I/Q imbalance and frequency offset impairments
12758526903High-linearity receiver with transmit leakage cancellation
12768526901Band adjustment device of polyphase filter and band adjustment method of polyphase filter
12778526899Broadcast receiving apparatus and method of determining presence of noise performed by broadcast receiving apparatus
12788526883RF switch for an RF splitter
12798526550System and method for wideband interference suppression
12808526523Highly-spectrally-efficient receiver
12818521118Circuit arrangement with radio-frequency mixer, and receiver arrangement with the circuit arrangement
12828521117System and method for digital interference cancellation
12838520786Programmable discrete digital receiver components
12848520785Multimode receiver with a translational loop for input matching
12858515379Receiver capable of reducing local oscillation leakage and in-phase/quadrature-phase (I/Q) mismatch and an adjusting method thereof
12868515378Antenna system and method for mitigating multi-path effect
12878514993Method for frequency offset estimation and automatic frequency control for filtered signal with destroyed phase information and signal transceiver
12888510589Apparatus and method using first and second clocks
12898508290Interface for MEMS inertial sensors
12908503964Mixer divider layout
12918503963Amplifier with on-chip filter
12928503961Active resistive summer for a transformer hybrid
12938503591Enhanced geran receiver using channel input beamforming
12948503588Method and system for compensation of interference cancellation delay
12958503579Channel estimator
12968502596Filter circuitry
12978498603Dynamic AC-coupled DC offset correction
12988498602Architecture of future open wireless architecture (OWA) radio system
12998498576Inverse-mode bipolar transistor radio-frequency switches and methods of using same
13008494473Processing a radio frequency signal
13018494472Reconfigurable chirp fourier transform based continuous convolution processor
13028494471Receiver
13038494102Methods and apparatus for orthogonal modulated signals
13048494101System and method for multiple signal carrier time domain channel estimation
13058493953Method and device for mitigation of multi-user interference in code division multiple access
13068489057Method of controlling RF transmissions to mitigate interference with critical care medical equipment
13078489040Double clipped RF clock generation with spurious tone cancellation
13088488728X-MIMO systems with multi-transmitters and multi-receivers
13098488725Method and system for spatial channel state information feedback based on a kronecker product
13108488514Relay backhaul link quality considerations for mobility procedures
13118483644Electronic component allowing the decoding of a radiofrequency transmission channel conveying coded digital information, in particular for satellite digital telebroadcasting
13128483643Harmonic rejection mixer
13138483642Saw-less receiver with offset RF frequency translated BPF
13148483641Validation and stabilization of noise matrices
13158483626Software-defined radio
13168483340Device and method for receiver-equalizer calibration
13178483337Cancelling interference by determining modulation and coding information embedded in a received spatial stream
13188483336System and method for extraction of communication interference
13198483335Hybrid receiver with algorithmic combining and method
13208483317Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device
13218483264Apparatus and method for chip level equalization in wireless communication system
13228483125Multiplexing packets in high speed downlink packet access (HSDPA) communications
13238478221Method and apparatus for efficient DC calibration in a direct-conversion system with variable DC gain
13248478215Harmonic rejection mixer and phase adjustment method thereof
13258477894Method and system for communication channel characterization
13268477893Multi-rake receiver
13278477892Method and apparatus for mitigation of interference
13288477890Geometric detector for communicating through constant modulus (CM) interferers
13298477834Partial response decision-feedback equalization with adaptation based on edge samples
13308477803Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss
13318476970Interface for MEMS inertial sensors
13328472909Filter device for detecting and/or removing erroneous components in and/or from a signal
13338472576Jammer canceller for power-line communication
13348472575Signal evaluation and adjustment
13358467760Frequency translated filters for wideband applications
13368467759Adjacent channel optimized receiver
13378467755Direct conversion tuner
13388463211RF signal receiving apparatus
13398462905Receiver circuit
13408462904Methods and apparatus for enhancing channel estimation
13418462903In-band interference rejection of signals in alternate and adjacent channels
13428462902Interference control in a broadband powerline communication system
13438462898System and method for blind compensation and correction of transmitter IQ imbalance at the receiver
13448457585Noise reduction system and method
13458457584Systems and methods to attenuate intermodulation interference
13468457574Front-end integrated circuit for television receivers
13478457265Method and apparatus for generating coefficients in a multi-input-multi-output (MIMO) system
13488457264Radio receiver having a diversity antenna structure
13498457227Multi-carrier receiver with dynamic power adjustment and method for dynamically adjusting the power consumption of a multi-carrier receiver
13508457215Apparatus and method for suppressing noise in receiver
13518456231Filter circuit
13528456229Filter device
13538452254Selecting and routing sub-signals from a common signal path
13548452253Compact low-power receiver including transimpedance amplifier, digitally controlled interface circuit, and low pass filter
13558452252Low noise, low power subsampling receiver
13568452251Preselector amplifier
13578451965Semiconductor integrated circuit, radio communication device and time to digital converter
13588451964Code block interference cancellation
13598451963Method and system for interference cancellation
13608451961Method of reducing interference
13618451956SNR-based blanking scheme for impulsive noise mitigation in wireless networks
13628451094Phase hopping to reduce interference and improve radio frequency identification (RFID) tag throughput
13638447258Filtering communications channels within telecommunications satellites
13648447257Dual receive filter
13658447002Receiving apparatus with frequency domain equalizer
13668447001Apparatus for performing channel estimation in a receiving device
13678447000Transceiver system with analog and digital signal echo cancellation having adaptably adjustable filter characteristics
13688446997Apparatus and method for reducing third-order intermodulation distortion
13698442471Broadband tuner for very wide signal conversion
13708442171Digital correction of analog polyphase filters
13718442170Equalizer for AM in-band on-channel radio receivers
13728442168Interference cancellation with a time-sliced architecture
13738442167Multistage channel estimation method and apparatus
13748441313Current-mode analog baseband apparatus
13758437725Digital interface between a RF and baseband circuit and process for controlling such interface
13768437724Method and system for output common mode control for reducing DC offset for an IF mixer that downconverts a received signal to DC without introducing additional offset
13778437436Apparatus and method for estimating channel in broadband wireless communication system
13788437412Method and apparatus for eliminating frequency-domain interference signals
13798437410System and method to execute a clipping instruction
13808437383Method and apparatus for digitally equalizing a signal in a distributed antenna system
13818436693Filter-tracking and control method
13828433379Wireless communication terminal for transmitting and receiving data and method thereof
13838433275System and method for DC correction in wireless receivers
13848433271Performing impulse blanking based on blocker information
13858433077Noise removal device and noise removal method
13868433016Narrow-band interference canceller
13878432785Flexible SDMA and interference suppression
13888432386Switch device for source driver of liquid crystal display and operating method thereof
13898432219Amplitude control system and method for communication systems
13908428546Baseband signal processing technique
13918428543Receiver arrangement with AC coupling
13928428542Adaptive cancellation of multi-path interferences
13938428541Method and system for antenna selection diversity with biasing
13948428540Communication apparatus, noise canceller, noise canceling method, and noise canceling program
13958428203Integrated tunable RF notch filter
13968428165Method and system for decoding OFDM signals subject to narrowband interference
13978427230Current-mode analog baseband apparatus
13988423803Method and system for forcing one or more power states on a display
13998423102Error correction for DTMF corruption on uplink
14008423079Communication channel setting method and communication channel selection method for an electronic device
14018422976Antenna diversity system for relatively broadband broadcast reception in vehicles
14028422975Harmonic suppression and/or rejection
14038422974Noise cancellation for antenna module
14048422612Communication terminal apparatus, communication apparatus, and signal receiving method
14058422611Analog equalizer systems and methods for baseband video signals
14068422610IQ mismatch correction circuit
14078422609Automatic filter-reset mechanism
14088422606Method and system for pre-equalization in a single weight spatial multiplexing MIMO system
14098422605System and method for linear distortion estimation by way of equalizer coefficients
14108421554Filtering device for filtering RF signals and method for filtering RF signals
14118417208Systems and methods for suppressing radio interference from a noise source via active filtering
14128417207High-performance cellular telephone receiver
14138417204Method and system for on-demand signal notching in a receiver
14148416899Multimode filter architecture
14158416898Techniques for decision feedback equalization that reduce variations in the tap weight
14168416896Method and system for channel estimation in a single channel MIMO system with multiple RF chains for WCDMA/HSDPA
14178416894Timing signal frequency management methods and apparatuses
14188412140Method of canceling noise contained in received signal
14198412095Apparatus for minimizing amplifier oscillation in an antenna system
14208411801Apparatus and method for estimating inverse channel of repeater's receiving channel
14218411769Cancellation of burst noise in a communication system with application to S-CDMA
14228406722Channel reception characteristics through clock rate adjustment
14238406359Method and apparatus for filtering noisy estimates to reduce estimation errors
14248406358Radio-frequency apparatus with programmable performance and associated methods
14258406357Filter circuit
14268406356Self-calibrating continuous-time equalization
14278406354Interference cancellation in a multi-user receiver
14288406284Receiver with adaptive equalizer
14298401509Two stage radio frequency interference cancellation system and method
14308401507Automatic gain control for beamformed signals
14318401504Extended range RMS-DC converter
14328401469Shield for use with a computing device that receives an inductive signal transmission
14338401135Post-equalization amplitude latch-based channel characteristic measurement
14348400234Apparatus for removing leakage signal
14358396440Signal reception method and apparatus for non-stationary channels
14368396439Interference cancellation circuit for a receiver
14378396176OFDM receiving device and OFDM receiving method
14388395544Method and system for inter-delay product test for signal degradation detection in a GNSS receiver
14398391818Second-order distortion correcting receiver and second-order distortion correcting method
14408391431Apparatus, and associated method, for filtering a receive signal by adaptive operation of an input noise whitening filter
14418391430Communication device, communication method, computer program and adaptive equalizer
14428391429Methods for determining reconstruction weights in a MIMO system with successive interference cancellation
14438391428Auto gain control method in digital communication system
14448391427Channel estimation methods and apparatus utilizing the same
14458391322Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA
14468390371Tunable transconductance-capacitance filter with coefficients independent of variations in process corner, temperature, and input supply voltage
14478385872Linear transconductor for RF communications
14488385864Method and device for low delay processing
14498385834Radio receiving apparatus and noise elimination method in the same apparatus
14508385490Discrete time filter and receiver including the same
14518385489Methods and apparatus for wireless channel estimation using interpolation elimination in the Eigen domain
14528380156Mobile wireless communications device having buffered clock distribution network for microprocessor and RF circuits
14538380155Method and apparatus for filtering
14548379785Systems and methods for performing dynamic channel estimation
14558379782Mobile radio channel estimation
14568379780Method for compensation of information losses in an OFDM-based multi-carrier communication signal caused by blanking out pulse-shaped interferences
14578379695Apparatus and method for receiving signal using rake receiver and equalizer in wireless communication system
14588374570Harmonic reject receiver architecture and mixer
14598374569Harmonic reject receiver architecture and mixer
14608374568Harmonic reject receiver architecture and mixer
14618374567High speed serial link with power spectral density frequency response suppression
14628374302Device for and a method of processing data signals
14638374300Circuit, controller and methods for dynamic estimation and cancellation of phase and gain imbalances in quardrature signal paths of a receiver
14648374296Output circuitry for minimizing spurious frequency content
14658374295Method of scaling input data and mobile device utilizing the same
14668373502Gm-C filter tuning circuit based on relaxation oscillator
14678369817Analog FIR filter
14688369816Filter for suppressing selected frequencies
14698369815Method for spectrum noise detection
14708369814Mobile communication device and reception suppressing method
14718369813Apparatus and method for reducing cross-talk between audio channels in a mobile terminal
14728369812Method and system for detection of passive intermodulation interference emissions
14738369809Crest factor reduction
14748369471Method and apparatus for improving channel estimation
14758369426Reducing the effect of noise in a multi-channel telecommunication receiver
14768364110Radio frequency front end circuit
14778363763Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system
14788363761Wireless modem and noise cancellation method for the same
14798363735Method, apparatus and computer program product for providing improved gray mapping
14808363711Receive apparatus and method in a mobile communication system
14818358996Image rejection
14828358995Systems and methods for suppressing radio interference from a noise source via active filtering
14838358994Mitigating radio receiver multipath noise
14848358993Image rejection calibration system
14858355752Using LO shifting to prevent a local transceiver from interfering with an FM radio
14868355340Method and base station for obtaining channel quality indicator information
14878351889Frequency agile duplex filter
14888351556Method and system for low complexity conjugate gradient based equalization in a wireless system
14898351555Apparatus and method for SINR estimation HSDPA MIMO receiver
14908351554Signal extraction
14918351367Signaling of unused resources
14928346199Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
14938345809Receiver apparatus for receiving a multicarrier signal
14948345805Receiving circuit
14958344855Radio frequency identification interrogator and method of operating the same

2012

14968340616Tracking filter for tuner
14978340235X-MIMO systems with multi-transmitters and multi-receivers
14988340234System and method for ISI based adaptive window synchronization
14998340231Optimal symbol detection in the presence of non-gaussian interference
15008340198Preprocessing method, base station, and system for cooperative communication
15018340171Method and apparatus for improving communication system performance in Tomlinson Harashima Precoding (THP) mode with a zero edge filter
15028340139Method and system for weight determination in a single channel (SC) multiple-input multiple-output (MIMO) system for WCDMA/HSDPA
15038339216Duplexer and method for separating a transmit signal and a receive signal
15048335287Communication apparatus and signal processing method
15058335286Methods for determining decoding order in a MIMO system with successive interference cancellation
15068335282Method for implementing an equalizer of an OFDM baseband receiver
15078335281Diversity receiving apparatus and diversity receiving method
15088335248Fast square root algorithm for MIMO equalization
15098331937Mitigation of uplink interference from wireless communication device connected to a micro cell
15108331896Method of operation of a passive high-frequency image reject mixer
15118331895Receiving circuit
15128331894Method for performing active jammer suppression on electronic device, and associated apparatus
15138331892Method and system for DC compensation and AGC
15148331510Receiver and method for two-stage equalization with sequential search
15158331507Multi-channel receiver device
15168326252Controllable image cancellation in a radio receiver
15178326251Method and system for estimating a receiver frequency offset in a communication system
15188326248Analog radio receiver
15198325865Discrete digital receiver
15208325864Receiver circuit
15218325860Asymmetrical feedback for coordinated transmission systems
15228320869Antenna arrangement with reduced comm-mode signals
15238320868Integrated circuits, communication units and methods of cancellation of intermodulation distortion
15248320867Gain in balance measuring apparatus, phase difference corresponding value measuring apparatus, method, program, and recording medium
15258320866Integrated circuits, communication units and methods of cancellation of intermodulation distortion
15268320504Fully compensated adaptive interference cancellation system
15278319758Interface system and flat panel display using the same
15288315584Semiconductor integrated circuit and broadcast receiver
15298315582Apparatus and method for compensating for audio signal distortion in mobile terminal
15308315344Blind detection of the transport format (TF) of a signal
15318315343Multi-antenna receiver interference cancellation method and apparatus
15328314653Using degeneration in an active tunable low-noise radio frequency bandpass filter
15338311506RFID receiver front end with phase cancellation and methods for use therewith
15348311168Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding
15358311167Ultra wide band device for detection and avoidance of ultra wide band signal
15368311162Method and device for interference suppression in user terminal
15378306523Methods and apparatuses supporting multiple positioning protocol versions in wireless communication networks
15388306499High-frequency filter
15398306493Pilot based adaptation for FM radio receiver
15408306164Interference cancellation with a time-sliced architecture
15418306103Systems and methods providing in-phase and quadrature equalization
15428301104System and method for digital interference cancellation
15438301103Receiver with improved flicker noise performance
15448301101Frequency translated filter
15458300742Systems and methods for channel based beamforming for stacked carrier multiple access
15468295495System and method for detecting rated maximum system deviation (RMSD) and alleviating RMSD mismatch
15478295418Adjacent channel interference detection for wireless communication
15488290464Co-channel interference remover
15498290457Performing impulse blanking based on blocker information
15508290444Radio wave receiving apparatus for receiving two different radio wave intensities
15518290102Adaptive data dependent noise prediction (ADDNP)
15528290098Closed loop multiple transmit, multiple receive antenna wireless communication system
15538290028Input/output circuit
15548285240Harmonic reject receiver architecture and mixer
15558285239Receiver second order intermodulation correction system and method
15568284877Noise filtering inverse transformation
15578284829Single carrier/multi carrier community receiver
15588284711Apparatus and methods for addressable communication using voice-grade radios
15598280442Radio base station and receiver fault diagnosis method
15608280337System and method for zero intermediate frequency filtering of information communicated in wireless networks
15618280336Apparatus and method for eliminating outband interference signal
15628280335Dynamic RFI detection
15638280333Harmonic rejection mixer unit and method for performing a harmonic rejection mixing
15648279987System and method for canceling interference in a communication system
15658279986Digital receiver, controlling method of the apparatus, computer program product, and recording medium recording thereon the product
15668279985Intelligent demodulation systems and methods in an OFDMA multicell network
15678278998Power supply noise reduction circuit and power supply noise reduction method
15688275341Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
15698275340Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
15708275339Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
15718275338Passive high frequency image reject mixer
15728275329Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
15738275079Communication apparatus, method, and tangible machine-readable medium thereof for processing ranging interference of an orthogonal frequency division multiplexing signal
15748275056Receiver, integrated circuit, and reception method
15758270929RF shielding for mobile devices
15768270928Signal analysis for an improved detection of noise from an adjacent channel
15778270927Adaptive interference filtering
15788270488Using black detection to improve video splicing
15798270460Filter for identifying signal artifacts in bandwidth-limited instruments
15808265585IBOC broadcasting receiver
15818265584Providing image rejection calibration for a receiver
15828265583Blind compensation for arbitrary receiver nonlinearities via a digital signal processing approach
15838265578Radio receiving apparatus
15848265098Flash position signaling: multiplexing and interference management
15858264298Filtering device and a method for filtering a signal
15868260242Bandpass filter, and radio communication module and radio communication device using same
15878260241RFID reader with sub-orthogonal self-jammer cancellation
15888260235Fast RF receiver DC offset correction
15898260230Radio receiver and method for receiving and playing signals from multiple broadcast channels
15908260227Direct conversion receiver and DC offset concellation method
15918260076Constant time filtering
15928254855Frequency spur detection and suppression
15938254834RFID system with RF bus
15948254511Method and apparatus for equalization in clustered channels
15958254510Apparatus and method for inter-carrier interference cancellation
15968254504Decision directed flicker noise cancellation
15978254306Method and system for implementing a single weight spatial multiplexing (SM) MIMO system
15988253482Method and device for controlling a common-mode voltage of a switched-capacitor system, in particular an analog-to-digital converter
15998249540Two stage radio frequency interference cancellation system and method
16008249539Device and method for DC offset cancellation
16018249538Offset direct conversion receiver
16028249537Noise cancellation circuit for a mixer device and related mixer device
16038249536Apparatus and method for removing transmission leakage signal
16048249203Truncation of noisy taps in channel estimation
16058249179Communication apparatus, multicarrier communication system and communication method
16068244197Receiving device and electronic equipment using the same
16078244196Apparatus and method for estimating noise and interference power in a communication system
16088243864Noise reduction filtering in a wireless communication system
16098243863Semiconductor device
16108243862Receiver and signal receiving method thereof
16118243709Method and arrangement for mitigation of intercell interference in a cellular communication system
16128243635Information processing apparatus
16138238983Multiple network wake-up
16148238866Filtering communications channels within telecommunications satellites
16158238865Image calibration and correction for low-IF receivers
16168238864Semiconductor integrated circuit
16178238862Layout techniques for frequency translated filters
16188238500Channel architecture with multiple signal processing branches for a given physical channel
16198238497Device and method for reducing interference in received communication signals
16208238496Multiuser multiple-input multiple-output (MU-MIMO) channel estimation for multicarrier communications
16218233951Error correction for DTMF corruption on uplink
16228233873Device and methods for enhanced matched filtering based on correntropy
16238233872Radio-frequency communication device
16248233574Joint space-time optimum filters (JSTOF) for interference cancellation
16258233573Dynamic optimization of overlap-and-add length
16268233570Adaptive channel prediction system and method
16278229708Methods and apparatus for signal and interference energy estimation in a communication system
16288229381Method and apparatus for efficient DC calibration in a direct-conversion system with variable DC gain
16298229048Use of emphasis to equalize high speed signal quality
16308229047Complex signal processing circuit, receiver circuit, and signal reproduction device
16318229046Frequency error estimator using second-order loop filter and operating method of the frequency error estimator
16328229020Integrated equalization and CDR adaptation engine with single error monitor circuit
16338224280Radio frequency receiver, wireless communication unit and method of operation
16348224279Radio frequency (RF) receiver with dynamic frequency planning and method therefor
16358223907Method for deriving parasitic signals from modulated digital signals
16368223906Interpolation IIR filter for OFDM baseband processing
16378223905Predictive signal cancellation for extracting 1 Mb/s MIL-STD-1553 component from composite high performance 1553 signal
16388223902Complex signal processing circuit, receiver circuit, and signal reproduction device
16398223901Interference in communication devices
16408223876Apparatus for receiving signals in OFDM communication system having multiple antennas and method thereof
16418223704Apparatus and method for assigning subchannels in an OFDMA communication system
16428219059Adjacent channel optimized receiver
16438218699Channel impulse response estimate management
16448218698Method for frequency offset estimation and automatic frequency control for filtered signal with destroyed phase information and signal transceiver
16458218696Receiving apparatus, receiving method, integrated circuit, digital television receiver, and program
16468218694Method for transmitting a digital signal, method for receiving a digital signal, transmitter and receiver
16478218615Method and apparatus for block-wise decision-feedback equalization for wireless communication
16488213892FM-AM demodulator and control method therefor
16498213889Multi-channel receiver and method of reducing interference of the same
16508213557Filtering apparatus and digital broadcast receiving apparatus
16518213554Sparse sampling of signal innovations
16528208591Method and apparatus for performing adaptive equalization
16538208590Filter circuit, and receiver and electronic device using the same filter circuit
16548204466Dynamic AC-coupled DC offset correction
16558204465Receiver, transmitter, transmission system, and transmission method
16568204164Communications system using adaptive filter and selected adaptive filter taps
16578204163Process for receiving a broadband electromagnetic signal
16588199864Quadrature phase shift keying demodulator of digital broadcast reception system and demodulation method thereof
16598199863Multiple-antenna space multiplexing system using enhancement signal detection and method thereof
16608199845Up-link SDMA receiver for WiMAX
16618194807Method to discriminate a real echo peak from an aliased echo peak
16628193879Semiconductor integrated circuit device
16638190115Transmission line coupled to circuits and Q-enhancement cell
16648190114Frequency-dependent filtering for wireless communications transmitters
16658190113Dual receive filter
16668190112Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
16678190094Method for reducing inter-cell interference
16688189648Scaling using gain factors for use in data detection
16698185081High linearity tunable bandpass filter
16708185078Dynamic spur avoidance for high speed receivers
16718185077Method and system for noise suppression in antenna
16728185075System and method for channel bonding in multiple antenna communication systems
16738185072Method and apparatus for power reduction for interconnect links
16748184753Apparatus and method for OFDM channel equalization
16758184752Apparatus and method for hybrid automatic repeat request (HARQ) in wireless communication system
16768184745System and method of generating soft bits
16778184744Method and receiver for estimating the channel impulse response using a constant modulus interference removal iteration
16788180609Jittery signal generation with discrete-time filtering
16798180310Filtering using impedance translator
16808180309Lock-in amplifier and method for filtering a measurement signal using such an amplifier
16818180002Digital signal processing device, digital signal processing method, and digital signal processing program
16828179852Base station, subordinated station and transmission method thereof
16838175566Multiple multi-mode low-noise amplifier receiver with shared degenerative inductors
16848175557Processing received digital data signals based on a received digital data format
16858175535Active cancellation of transmitter leakage in a wireless transceiver
16868175204Receiving device, signal processing method, and program
16878175203Broadcast channel estimator
16888175202Receiver with clock drift compensation
16898175201Systems and methods for adaptive equalization in recording channels
16908175200Hybrid correlation and least squares channel estimation
16918175176FFT window spread generating method
16928175136Noise cancellation method, receiver circuit, and electronic instrument
16938175019Wireless network connection device and method
16948170521Method and apparatus for sampling RF signals
16958170520Semiconductor integrated circuit device provided with FM receiving function
16968170492Methods and arrangements for noise rise estimation
16978170467Multi-band jammer including airborne systems
16988170199Echo canceller
16998170163Partial response receiver
17008170141Transmitting device, transmitting/receiving device, transmitting method and transmitting/receiving method
17018165555Method and apparatus for filtering
17028165554Quadrature correction method for analog television reception using direct-conversion tuners
17038165553Current-matching intermodulation suppression
17048165251Interpolation IIR filter for OFDM baseband processing
17058160532Community interaction using mobile communication devices
17068160527Automatic gain control in multi-carrier wireless systems
17078160191Correction of quadrature errors
17088160190IIR receive filter for OFDM baseband processor
17098160189Method and system for communication channel characterization
17108160187Systems and methods for canceling crosstalk from digital multi-tone (DMT) signals
17118160128Equalizer in a wireless communication system
17128155616Reduction of near field electro-magnetic scattering using high impedance metallization terminations
17138155615Generation of a composite mitigation signal with a desired spectral energy distrubution
17148155614Apparatus and methods for signal processing
17158155595Method for iterative interference cancellation for co-channel multi-carrier and narrowband systems
17168155255Method for estimation of signal frequency and displacement estimation method and device with consistency check, period prediction and compensation, and/or adaptive threshold update
17178155220IIR transmit filter for OFDM baseband processor
17188155218Frequency domain equalization for time varying channels
17198155164Spread frequency spectrum waveform generating circuit
17208150357Smoothing filter for irregular update intervals
17218150356Split analog/digital polynomial nonlinear term generator with reduced number of analog-to-digital converters
17228150353Masthead amplifier unit
17238149971Multiple-branch wireless receiver
17248149970Multiple input, multiple output channel, digital receiver tuner
17258149968Estimating a signal-to-interference ratio in a receiver of a wireless communications system
17268149967Combined dual feed-forward and feedback analog and digital automatic gain control for broadband communication
17278145175Sampling filter apparatus
17288145173Receiver and electronic apparatus having diversity and single receiving modes
17298144824Trend influenced time tracking
17308140043Simplified high frequency tuner and tuning method
17318140042Distributing apparatus and method for communication using the same
17328140019Method for reducing inter-cell interference
17338135372Integrated cancellation circuit for RF converter spurious tones
17348135365Phase-locked loop based controller for adjusting an adaptive continuous-time filter
17358135351Systems and methods for improving channel estimation
17368135102Method and apparatus for digitally equalizing a signal in a distributed antenna system
17378135100Adaptive clock and equalization control systems and methods for data receivers in communications systems
17388135099Method for detecting transmission symbols in multiple antenna system
17398135098BICM decoding in the presence of co-channel interference
17408135032Rate adaptation method for communication systems
17418134255Noise cancellation circuit, analog signal processing circuit, and electronic instrument
17428131247Method and system for an intermediate frequency (IF) channel select filter with an integrated alternate adjacent channel interference (AACI) filter
17438131246High-frequency circuit having filtering function and reception device
17448130882Radio receiver having a multipath equalizer
17458130881MIMO with reduced compute complexity
17468130880Wideband digital spectrometer
17478130872Frequency and Q-factor tunable filters using frequency translatable impedance structures
17488130820Method and apparatus for interference cancellation in a wireless communications system
17498126420Correcting for phase noise of an oscillator
17508126418Preselector interference rejection and dynamic range extension
17518126099Apparatus, and associated method, for filtering a receive signal by adaptive operation of an input noise whitening filter
17528126098Multi-rake receiver
17538126078Method and apparatus for reducing noise in an unbalanced channel using common mode component
17548126031Time-tracking management of demodulation elements in a receive diversity enabled rake receiver
17558121576Linearity of an RF receive path by spurious tone suppression
17568121575Modulated IF receiver and method
17578121236Communications system using adaptive filter circuit using parallel adaptive filters
17588121233Drift cancellation technique for use in clock-forwarding architectures
17598121232Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system
17608121231Method and device for channel response determination
17618121230Correction of mismatches between two I and Q channels
17628121176Iterative interference canceler for wireless multiple-access systems with multiple receive antennas
17638120416Semiconductor integrated circuit
17648116716Mobile wireless communications device having buffered clock distribution network for microprocessor and RF circuits
17658116715Filter circuit and communication semiconductor device using the same
17668116713Automatic bandwidth control with high-deviation detection
17678116687Dynamic frequency selection in wireless devices
17688116386Method, apparatus and computer program product for providing improved gray mapping
17698115537Method and apparatus for suppressing noise caused by parasitic capacitance and/or resistance in an electronic circuit or system
17708112056Distributed direct conversion receiver (DDCR) for UWB systems
17718112050Reducing power consumption in receivers employing conversion to intermediate frequency
17728111792Apparatus and methods for digital adaptive equalizer in serial receiver
17738111791Differential evolution design of polyphase IIR decimation filters
17748111790Mitigating interference in a coded communication system
17758111789Method and system for channel estimation in a single channel MIMO system with multiple RF chains for WCDMA/HSDPA
17768107918Broadband tuner for very wide signal conversion
17778107916Multi-tuner variable low IF receiver for multi-channel applications
17788107914RF filter with low-IF mixing, tuning and calibration
17798107912Mobile communication apparatus
17808107574Filter tuning circuit for wireless communication system
17818107572Communications system using adaptive filter for interference reduction
17828107571Parameterized filters and signaling techniques
17838107519Equalizer, equalization method, program and receiving device
17848103235Communicating apparatus, noise canceling method and memory product
17858103229Multimode communication device with shared signal path programmable filter
17868102955Multi-pulse frequency shifted (MPFS) multiple access modulation for ultra wideband
17878102928Spectrally constrained impulse shortening filter for a discrete multi-tone receiver
17888099123Adaptation of transmit subchannel gains in a system with interference cancellation
17898099073Noise reduction in amplifier circuitry using single-sideband chopper stabilization
17908099072Frequency changer circuits
17918099069Broadcast receiver for use in mobile communication terminal
17928099064Mobile wireless communications device with reduced harmonics resulting from metal shield coupling
17938098782Communications device including a filter for notching wideband receive signals and associated methods
17948098781Communications system using adaptive filter with normalization circuit
17958098777Signal detection method and receiving apparatus in MIMO system
17968098776Method and system for pre-equalization in a single weight spatial multiplexing MIMO system
17978098683Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss
17988095095Band switch control apparatus for intermediate frequency filter
17998094763Communications system using adaptive filter with adaptive update gain
18008094762Joint estimation of MIMO channels and noise correlation for wireless systems with multiple receive antennas
18018094761Uplink feedback for supporting MIMO operation in the LTE downlink
18028094760Channel estimation
18038093841System and method for faster response time in stereo/mono detection
18048090575Voice modulation recognition in a radio-to-SIP adapter
18058090339Off-line channel tuning amplitude slope matched filter architecture
18068090338Quadratic amplitude control circuit for cosite interference cancellation
18078090337Chirp fourier transform method and apparatus for canceling wide band interference
18088090332Tracking filter for a receiver

2011

18098086206Quadratic amplitude control circuit for cosite interference cancellation
18108086204Radio receiving apparatus
18118081946Interference cancellation for reconfigurable direct RF bandpass sampling interference cancellation
18128081944Wireless transmitter receiver
18138081929Method and system for optimal frequency planning for an integrated communication system with multiple receivers
18148081722Communications system and device using simultaneous wideband and in-band narrowband operation and related method
18158081687Received signal determination based upon frame classification
18168081676Method and apparatus for data reception
18178078132Selectively skipping listen windows in power saving mode in multi-mode radio handsets
18188078131Method for mitigating interference
18198078130Systems and methods for interference cancellation
18208077819Search engine for a receive equalizer
18218077818Radio receiver
18228077817Arrangement for adaptive bit recovery
18238077766Method and device for receiving a data signal consisting of symbol blocks and corresponding computer program
18248073418Receiving systems and methods for audio processing
18258073088Method and communication device for interference cancellation in a cellular TDMA communication system
18268073086System and method for linear distortion estimation by way of equalizer coefficients
18278073042Recursive range controller
18288068804Receiver local oscillator leakage compensation in the presence of an interferer
18298068539Adaptive interference cancellation algorithm using speech mode dependent thresholds
18308068435Rate adaptive modem
18318064866Passive processing device for interfacing and for ESD and radio signal rejection in audio signal paths of an electronic device
18328064865Tuning amplitude slope matched filter architecture
18338064863Image rejection calibration
18348064556Fractionally-spaced equalizers for spread spectrum wireless communication
18358064555Input/output multi-level channelizer amplifier
18368064554Radio communication system performing multi-carrier transmission, reception device, reception method, transmission device, transmission method, delay time calculation device, and delay time calculation method
18378060047Signal frequency band detection device
18388059773Channel equalization in receivers
18398059772Filter and method for suppressing effects of adjacent-channel interference
18408059705Channel equalization using frequency and phase compensation
18418055235System and method for digital interference cancellation
18428054924Data transmission method with phase shift error correction
18438054922Parameter estimation for modulated signals
18448054161Apparatus and method for transmit leakage signal suppression in RFID reader
18458050646Noise suppressing device
18468050645Active resistive summer for a transformer hybrid
18478050644Highly linear mixer and method for cancelling FET channel resistance modulation
18488050370Digital signal receiving apparatus
18498050143System and method for generating a threat alert
18508045949Noise cancellation circuit and amplifier with noise cancellation circuit
18518045948Receiving apparatus, program and receiving method
18528045947RF power extracting circuit and related techniques
18538045946Active resistive summer for a transformer hybrid
18548045945Reception apparatus, reception method and program
18558045944Offset correction for passive mixers
18568045661System and method for blind identification of multichannel finite impulse response filters using an iterative structured total least-squares technique
18578045660Wideband digital spectrometer
18588044712Circuit and method for improved frequency resolution of wide-bandwidth digitally programmable RC active filters
18598041404Multiple network wake-up
18608041327Wideband resistive input mixer with noise-cancelled impedance
18618041326Data transmission method
18628041325Speed-based, hybrid parametric/non-parametric equalization
18638040987Channel estimating apparatus and method for use in a broadband wireless communication system
18648040971High performance mixed signal circuit
18658037338Data interface method and apparatus
18668036627Bidirectional frequency mixer, radiofrequency transceiver system including such a mixer
18678036622DC offset cancellation circuit for a receiver
18688036327Adaptive channel measurement reporting
18698036325Wireless communication method and apparatus for performing knowledge-based and blind interference cancellation
18708032102Receiver second order intermodulation correction system and method
18718031765Feedforward equalizer for DFE based detector
18728030991Frequency tuning and direct current offset canceling circuit for continuous-time analog filter with time divided
18738027655Receiver apparatus and method for tracking and rejecting transmit signal in wireless communication system
18748027419Method for alignment of analog and digital audio in a hybrid radio waveform
18758027388Methods and systems for adaptive communication
18768023920Image cancellation in receivers
18778023919Receiver dynamically switching to pseudo differential mode for SOC spur reduction
18788023918Methods and systems for stereo noise mitigation
18798023917FM tone rejection
18808019312DC offset calibration for a radio transceiver mixer
18818019309Method and system for a second order input intercept point (IIP2) calibration scheme
18828019308Receiving apparatus
18838019032Method and system for channel equalization
18848019031User selection method and user selection device for multiuser MIMO communication
18858019029Interference erasure using soft decision weighting of the Viterbi decoder input in OFDM systems
18868014741Signal quality estimation and control system
18878014478Method and apparatus for impulse noise detection and suppression for DVB-T
18888014470Decoding method for Alamouti scheme with HARQ and/or repetition coding
18898013715Canceling self-jammer signals in an RFID system
18908010074Mixer circuits for second order intercept point calibration
18918010071Integrated squelch circuit with programmable engagement threshold
18928009782Downscaling system bandwidth
18938009781DTV receiver and method of processing signal in DTV receiver
18948009780Apparatus and method for generating effective signal to noise ratio (SNR) per stream in multiple-input multiple-output (MIMO) wireless communication system
18958009779System and method for broadband pulse detection among multiple interferers using a picket fence receiver
18968009778Quantized channel state information prediction in multiple antenna systems
18978009766DTV receiving system and method of processing DTV signal
18988009756Peak suppressing and restoring method, transmitter, receiver, and peak suppressing and restoring system
18998009727Equalizer for single carrier FDMA receiver
19008005452Digital comb limiter combiner
19018005451Filter circuit and radio communication apparatus
19028005450Simplified high frequency tuner and tuning method
19038005177Peak windowing for crest factor reduction
19048005176Architecture for systolic nonlinear filter processors
19058005156Method and apparatus of recursive time-frequency channel estimation
19068005135Receiver system with interdependent adaptive analog and digital signal equalization
19078000738Mobile terminal with leakage current prevention
19088000674Canceling self-jammer and interfering signals in an RFID system
19098000669Automatic beat/tone removal algorithm
19108000424Method and system for low complexity conjugate gradient based equalization in a wireless system
19118000423Adaptive sample rate converter
19128000422Apparatus and method for detecting signal in multiple-input multiple-output (MIMO) wireless communication system
19138000421Wireless communication system, wireless communication apparatus, wireless communication method, and computer program therefor
19148000420System and method of joint synchronization and noise covariance estimation
19158000254Methods and system for determining a dominant impairment of an impaired communication channel
19167995982Semiconductor integrated circuit
19177995981Receiver with image rejection calibration at an undesired picture carrier and method therefor
19187995691Real-time channel estimation system
19197995690Digital filter
19207995688Channel estimation and ICI cancellation for OFDM
19217995686System and method for co-channel interference cancellation in cellular OFDM systems
19227995685Backscatter interrogator reception method and interrogator for a modulated backscatter system
19237995660Receiver termination circuit for a high speed direct current (DC) serial link
19247995648Advanced digital receiver
19257995456Optimal estimation of distortion of a transmission medium using sequential emission of pairs of quadrature complementary sequences
19267991361Method and system for single weight (SW) antenna system for single channel (SC) MIMO system for WCDMA
19277991360Receiver apparatus, receiving method, and wireless communication system
19287991092Method for receiving a multicarrier signal using at least two estimates of a propagation channel and corresponding reception device
19297991091Radio communication system, receiver, receiving method, transmitter, transmitting method, and device for and method of calculating delay times for multi-carrier transmission
19307991071AM to PM correction system for polar modulator
19317991043Hybrid polyphase and joint time-frequency detection
19327991041Iterative detection and cancellation for wireless communication
19337990307Integrity monitor antenna systems for GPS-based precision landing system verification
19347990185Analog finite impulse response filter
19357986932Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
19367986930IQ imbalance image suppression in presence of unknown phase shift
19377986756Method and apparatus for filtering noisy estimates to reduce estimation errors
19387983647Method and apparatus for determining scaling factor in a communication system
19397983646Techniques to reduce radio frequency noise
19407983643Frequency demodulation with threshold extension
19417983639RF filter and digital broadcast receiving tuner and RF signal processing device using RF filter
19427979046Transceiver development in VHF/UHF/GSM/GPS/bluetooth/cordless telephones
19437979045GNSS receiver package
19447979044Method and system for utilizing undersampling and/or a digital delay line to remove out-of-band blocker signals
19457978799Adaptive digital filter, FM receiver, signal processing method, and program
19467978798Spatial multiplexing detection apparatus and method in MIMO system
19477978797Method and system for near optimal iterative detection of the 2-dimensional ISI channel
19487974373Method and architecture for digital pulse shaping and rate conversion
19497974370Parallel processing for single antenna interference cancellation
19507970393Systems and methods for rapidly enabling brew-based wireless handsets for content development
19517970371Receiving apparatus, program and receiving method
19527970230Image processing with minimization of ringing artifacts and noise
19537970078Method and receiver for estimating the channel impulse response using a constant modulus interference removal iteration
19547965994Method and system for an analog zero-IF interface for GSM receivers
19557965135Charge sampling filter circuit and charge sampling method
19567965134Spur attenuation devices, systems, and methods
19577962113Receiver with multi-tone wideband I/Q mismatch calibration and method therefor
19587961827Signal processing arrangement comprising a filter
19597961823System and method for adjusting multiple control loops using common criteria
19607961803COFDM demodulator with an optimal FFT analysis window positioning
19617961056Low phase noise voltage controlled oscillator
19627957692Signal receiver circuit and method of implementation
19637957496Suppressing interference for wireless reception and improvements relating to processing a frequency shift keyed signal
19647957495Method and device for suppressing narrowband interference
19657957491Digital technique of compensating mismatches between in phase and quadrature channels
19667953579Jittery signal generation with discrete-time filtering
19677953193Sparse channel equalization
19687949323Local oscillator leakage counterbalancing in a receiver
19697949320Constant modulus indication for detection of RF signals
19707948362Implantable medical transceiver device
19717945229Software-definable radio transceiver with MEMS filters
19727945007Multi-antenna wireless receiver chains with vector decoding
19737945006Data-driven method and apparatus for real-time mixing of multichannel signals in a media server
19747941119Signal processing method and apparatus in digital broadcasting apparatus of wireless terminal
19757941118Method and apparatus to process dedicated physical control channel (DPCCH) in a transmit antenna diversity (TXDIV) rake finger
19767941117Digital approach for image rejection correction in low intermediate frequency conversion tuner
19777941093Spurious-free flexible frequency converter and a satellite communication repeater architecture
19787940872Joint demodulation filter for co-channel interference reduction and related methods
19797940869Radio communication method, system and a terminal station
19807937064Wireless transceiver and method of operating the same
19817937058Controlling the bandwidth of an analog filter
19827937052Multiple input multiple output signal receiving apparatus with optimized performance
19837936813Diversity GMSK-receiver with interference cancellation and methods therein
19847933575Circuit for settling DC offset in direct conversion receiver
19857933372Successive interference cancellation based on the number of retransmissions
19867932957Receiver apparatus and receiver system
19877932773Charge domain filter circuit
19887929997Noise detecting apparatus and AM broadcast receiving apparatus
19897929937System and method for blind estimation of multiple carrier frequency offsets and separation of user signals in wireless communications systems
19907929936Receiver arrangement with AC coupling
19917929598Lower processing rate decision feedback equalizer for higher rate carrier signal
19927929597Equalizer for a receiver in a wireless communication system
19937925237Noise suppression circuit for mobile phone
19947925236Cross polarization interference canceling method and cross polarization interference canceling apparatus
19957925223Coil pair with carrier suppression
19967925217Receiving circuit and method for compensating IQ mismatch
19977924958Apparatus and method for transmitting and receiving signals in a multi-antenna system
19987924799Radio communication device
19997920662Equalizer-based receiver to eliminate training sequence interference in TDD systems
20007920537Method and arrangement for mitigation of intercell interference in a cellular communication system
20017916817Method and apparatus for improving the performance of pilot symbol assisted receivers in the presence of narrowband interference
20027916816Hardware allocation in a multi-channel communication environment
20037912438Method and apparatus for mitigating phase noise
20047912437Radio frequency receiver having dynamic bandwidth control and method of operation
20057912436LNA gain adjustment in an RF receiver to compensate for intermodulation interference
20067912163Wireless receiving device having low power consumption and excellent reception performance
20077912161Method and apparatus for layer 1 / layer 2 convergence declaration for an adaptive equalizer
20087912153System and method of performing digital multi-channel audio signal decoding
20097912119Per-survivor based adaptive equalizer
20107907925Method and system for blocker attenuation using multiple receive antennas
20117907923Method and apparatus for squelch gating a receiving signal
20127907691Dual-mode equalizer in an ATSC-DTV receiver
20137907690Interference cancellation system and method using impulse response
20147907685GMSK-receiver with interference cancellation
20157907663Multi-user equalization method and device for wireless communication system
20167907004Signal processing apparatus, filter apparatus, signal processing method and filtering method
20177904048Multi-tap direct sub-sampling mixing system for wireless receivers
20187904047Radio frequency filtering technique with auto calibrated stop-band rejection
20197903772Digital demodulator with improved hardware and power efficiency
20207903767Signal reception time period detector
20217903761UWB radio interface with DC offset
20227903728Equalize training method using re-encoded bits and known training sequences
20237902916Switched capacitor resonator and sigma-delta modulator using the same
20247899427Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
20257899142Leakage signal cancellation apparatus
20267899124Methods and systems for adaptive communication
20277894788Digital and analog IM3 product compensation circuits for an RF receiver
20287894787Method and system for controlling carrier leakage in a direct conversion wireless device
20297894559Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
20307894558Receiving circuit for multi-slot receiving provided with circuit for adjusting frequency characteristic of active filter
20317894556Method and apparatus for excision of narrowband interference signals in navigation or communication bands
20327889823Timing recovery in a parallel channel communication system
20337885631Method for receiving signal in communication system and system therefor
20347885630Mobile wireless communications device having buffered clock distribution network for microprocessor and RF circuits
20357885629Circuit with Q-enhancement cell having programmable bias current slope
20367885628FM tuner
20377885626Mobile communication apparatus
20387881690System and method for zero intermediate frequency filtering of information communicated in wireless networks
20397881688Method and apparatus for controlling a local oscillator
20407881687Method and system for removing radio frequency direct current offset in signal
20417877087Methods of remotely updating lists in mobile terminals and related systems and computer program products
20427877074Adaptive coherent RFID reader carrier cancellation
20437876915Audio apparatus having tuner unit and digital reproducing unit
20447876869Wideband digital spectrometer
20457873336Frequency offset compensation for communication systems
20467873323Method of estimating inter-modulation distortion
20477873128Method and system for equalization in a communications system
20487869780Phase-locked loop based controller for adjusting an adaptive continuous-time filter
20497865167Digital video broadcast-terrestrial (DVB-T) receiver interoperable with a GSM transmitter in a non-interfering manner
20507865163Time constant automatic adjusting circuit, filter circuit system, and method of automatically adjusting time constant
20517864905Interference alleviation equalizing apparatus of multi-carrier communication system and method thereof
20527864718Echo cancellation device for full duplex communication systems

2010

20537860479FM receiver
20547860478Poly-phase filter
20557860477Self-calibrating filter
20567860476Narrowband interference excision in the external controller of an implanted microstimulator network
20577860475Method of canceling noise contained in received signal
20587860474Circuits and methods for controlling switching noise in switched-mode circuits
20597860201Interference canceling matched filter (ICMF) and related methods
20607860200Communications system using adaptive filter that is selected based on output power
20617859327Device for filtering a signal and corresponding method
20627856220Magneto-electric-induction conversion system of wireless input device
20637856218Direct conversion receiver
20647856063Narrowband interference suppression for OFDM systems
20657855594Fine gain and phase adjustment of analog quadrature filters
20667853235Field effect transistor amplifier with linearization
20677853231Mobile communication terminal and associated methodology for reception during diversity interruption
20687853214Dynamic multi-path detection device and method
20697852973Method and a device to compensate for imbalances in a receiver
20707852744Method and apparatus for channel estimation in a wireless communication device
20717848727Integrated radio frequency module
20727848711Radio communication apparatus and radio communication method
20737848471Method and system for on-line data-pattern compensated adaptive equalizer control
20747848470System and method for asymmetrically adjusting compensation applied to a signal
20757848221Method and system for detecting adjacent channel interference from OFDM/OFDMA based broadband wireless access
20767843858Crosstalk masking for digital subscriber loops
20777843257Active filter calibration method and apparatus
20787839959Joint space-time optimum filters (JSTOF) for interference cancellation
20797839958System and method for the adjustment of compensation applied to a signal
20807835711Method and apparatus for a signal selective RF transceiver system
20817835478Method and apparatus for performing analog-to-digital conversion in receiver supporting software defined multi-standard radios
20827835477Noise canceller and AM receiving apparatus using the same
20837831229FM receiver with digitally controlled antenna tuning circuitry
20847831228Processing received digital data signals based on a received digital data format
20857831197Outside unit for satellite reception and method of reception with said unit
20867830995Multi-band single-carrier modulation
20877830994Channel estimation system and method
20887830956Method and system for processing a sampled signal
20897830262Adjusting communication parameters while inventorying RFID tags
20907826875Multiple network wake-up
20917826864Apparatus and method for power measurement summation in mobile telecommunications system user equipment
20927826815Dynamic selection of oscillation signal frequency for power converter
20937826576Channel equalization in receivers
20947826575Selectively disabling interference cancellation based on channel dispersion estimation
20957826572Dynamic optimization of overlap-and-add length
20967826542Channelization filter communication systems and methods therefor
20977826523Effective adaptive filtering techniques
20987826516Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
20997825721Systems and methods for filtering signals corresponding to sensed parameters
21007822400Apparatus and method for suppresion of TDMA noise in a stereo headphone
21017822399Image compensation for wireless receiver
21027822156Channel estimation
21037818028Modified dual band direct conversion architecture that allows extensive digital calibration
21047817979Systems and methods for DC offset correction in a direct conversion RF receiver
21057817978Method for eliminating interference in measuring signals
21067817757System and method for independently adjusting multiple offset compensations applied to a signal
21077817756Circuit and method for suppressing interference components in received signal
21087817755System, device and method for generating a logarithmic function according to a plurality of communication signals
21097813710Receiving circuit
21107812664Method of and circuit for suppressing noise in a circuit
21117809346Digital audio receiver with reduced AM interference
21127809344Fractional carrier frequency offset estimator and method of estimating fractional carrier frequency offset between transmitter and receiver
21137809096Adaptive interference cancellation algorithm using speech mode dependent thresholds
21147808310Differential band-pass filter having symmetrically interwoven inductors
21157805120Noise blanker circuit and method for removing noise and correcting a signal
21167804920Closed loop adaptive clock RFI mitigation
21177804852Systems and methods for definition and use of a common time base in multi-protocol environments
21187796967Noise removal apparatus
21197796716Eliminating narrowband interference in a receiver
21207796715Method and apparatus for reducing intra-device interference
21217796688Radio receiver having a channel equalizer and method therefor
21227792496Transmitter receiver unit and electronic apparatus using same
21237792228Apparatus and method for digital down-conversion in a multi-mode wireless terminal
21247792226Method and apparatus for carrier power and interference-noise estimation in space division multiple access and multiple-input/multiple-output wireless communication systems
21257792225Method and device for reducing cross-correlation false alarms in CDMA and other wireless networks
21267792203Equalization method and apparatus for time domain synchronous orthogonal frequency division multiplexing receiver
21277787975Restoring audio signals
21287787921Link coupled antenna system on a field device having a grounded housing
21297787837Systems and methods for an RF nulling scheme in RFID
21307787572Advanced signal processors for interference cancellation in baseband receivers
21317783457Sensor localization using lateral inhibition
21327783273Method and system for calibrating frequencies-amplitude and phase mismatch in a receiver
21337782986Signal jamming avoidance method for a frequency hopping communication system
21347782127Multi-mode reconstruction filter
21357782126Detection and accommodation of hot-plug conditions
21367778613Dual conversion receiver with programmable intermediate frequency and channel selection
21377778611Radio communication apparatus and radio communication method
21387778368Apparatus for receiving signals via channels
21397778345Distortion compensation in a communication system
21407773968Interface/synchronization circuits for radio frequency receivers with mixing DAC architectures
21417773967Multi-mode--multi-band direct conversion receiver with complex I and Q channel interference mitigation processing for cancellation of intermodulation products
21427773965Calibrated quadrature very low intermediate frequency receiver
21437773707Tunable narrow band filter
21447773704Method and apparatus for parallel midamble cancellation
21457773499Channel estimation in a multicarrier radio receiver
21467770098Signal processing apparatus and method therefor
21477769118Method and apparatus for equalizing received signals based on independent component analysis
21487769117Determination of a noise covariance matrix for a wireless communication channel
21497764752Method and system for reducing interferences due to handshake tones
21507764705Interference cancellation unit and interference cancellation method
21517764217Surface RF emitter passive ranging accuracy confirmation algorithm
21527764117Method and system for reducing a dynamic offset during the processing of asymmetric signal strings
21537761077Diversity receiver
21547761076Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same
21557761075Apparatus and method for interference cancellation in wireless mobile stations operating concurrently on two or more air interfaces
21567760831Information handling system including adaptive interference suppression feature and method of operation
21577760830Techniques to reduce the impact of jitter on communications system performance
21587760829Dense-tap transversal filter with elementary coefficients
21597760828Iterative decoding and equalizing method for high speed communications on multiple antenna channels during transmission and reception
21607760827Method and apparatus for improving recovery performance of time windowed signals
21617760826Apparatus for suppressing burst noise and method thereof
21627760825Device and method for suppressing pulse interferences in a signal
21637760109Interactive surveillance network and method
21647760014Lowpass biquad VGA filter
21657756502High-frequency IC and GPS receiver
21667756501Multipass noise detecting apparatus and FM receiving apparatus
21677756229Apparatus and method for adjusting filter frequency in relation to sampling frequency
21687756228Transceiver system with analog and digital signal echo cancellation having adaptably adjustable filter characteristics
21697751791L1/L2 GPS receiver
21707751514System and method of detecting burst noise and minimizing the effect of burst noise
21717751513Signal processing method, particularly in a radio-frequency receiver, and signal conditioning circuit
21727751512Method and apparatus for parallel midamble cancellation
21737751511Method and apparatus for selecting a subset of modeled impairment correlation terms for use in received signal processing
21747751510Simplified channel and interference estimation with dedicated pilot tones for OFDMA
21757751509Method for multiple-access interference suppression for MC-CDMA by frequency domain oversampling
21767747300Variable pricing based on system load
21777747238Wireless communication device and data interface
21787746970Method and apparatus for filtering noisy estimates to reduce estimation errors
21797746969High definition multi-media interface
21807738610Method and apparatus for automatic alignment of notch filters
21817738609Multipath compensation for signal receivers
21827738574Convolutive blind source separation using relative optimization
21837734270Method and apparatus for an enhanced RFID tag interrogator
21847734266Adaptive radio frequency receiver
21857733998System and method for programmably adjusting gain and frequency response in a 10-gigabit Ethernet/fibre channel system
21867733997Signal adjustment receiver circuitry
21877733996Joint space-time optimum filters (JSTOF) for interference cancellation
21887733995Noise filter and filtering method
21897733994Adaptive electronic transmission signal cancellation apparatus for full duplex communication
21907733941Inter-symbol interference cancellation for wireless multiple access
21917733164Semiconductor device with decoupling capacitance controlled and control method for the same
21927729680Noise suppresser
21937729679Dynamic bandwidth filter for an FM receiver
21947729434System and method for improved channel estimation for wireless OFDM systems
21957725081Communication apparatus
21967724848Predictive signal cancellation for extracting 1 Mb/s MIL-STD-1553 component from composite high performance 1553 signal
21977724846Method and apparatus for mitigating interference in a satellite signal receiver
21987720457Method and apparatus for minimizing noise on a power supply line of a mobile radio
21997720456Adjust switching rate of a power supply to mitigate interference
22007720185Narrow-band interference canceller
22017720036Communication within a wireless network using multiple frequency bands
22027720032Method and apparatus for priority management of system algorithms in real time
22037719350Bandpass sample-and-hold circuit
22047719348Capactive filter device incorporating a switching arrangement
22057715815Integrated tracking filters for direct conversion and low-IF single conversion broadband filters
22067715814Method and system for spurious signal control in receivers
22077711345Receiving circuit and receiving method
22087711343Flat turner module with a standard connector
22097711342Signal adjustment techniques
22107711341Multimode receiver control method and apparatus
22117711077System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
22127706851Compander, and associated methodology, for a radio communication station operable pursuant to a coded squelch scheme
22137706769Adaptive intermodulation distortion filter for zero-if receivers
22147706751Method for transmitting and receiving data with low BER in presence of interference between subscriber stations
22157706487Method for training a transceiver for high speed communications
22167706486Efficient diversity combining for wideband downlink
22177706485Radio interference indicator
22187706457System and method for beamforming using rate-dependent feedback in a wireless network
22197705665Digital tuning circuit of GM-C filter
22207705580System for smoothing output voltage of power generator
22217702283Method for reducing electromagnetic emissions in a multiple micro-controller device
22227702053State based algorithm to minimize mean squared error
22237702047RF receiving apparatus and method for removing leakage component of received signal
22247698355Minimal area integrated circuit implementation of a polyphase interpolation filter using coefficients symmetry
22257697915Gain boosting RF gain stage with cross-coupled capacitors
22267697913Dual tuner diversity for background processing and to reduce multipath distortion
22277697909Extended range RMS-DC converter
22287697885Multi-band jammer
22297697646Discrete state-space filter and method for processing asynchronously sampled data
22307697410Centralized buffer architecture for an orthogonal frequency division multiplexing (OFDM) receiver
22317693558Wireless communication terminal for transmitting and receiving data and method thereof
22327693501Techniques to deterministically reduce signal interference
22337693242DC offset correction for constant envelope signals
22347693214Receiving device and analog-to-digital conversion device
22357689193Self-aligning resonator filter circuits
22367689189Circuit and method for signal reception using a low intermediate frequency reception
22377688923Enhanced data rate receiver
22387684778Image cancellation in receivers
22397684777Adjacent channel rejection device, receiving apparatus and method of operating a receiving apparatus
22407684775Method and apparatus for compensating DC level in an adaptive radio receiver
22417684529Interference rejection in wireless networks
22427684528Method for whitening colored noise in a communication system
22437684481High speed data packet access minimum mean squared equalization with direct matrix inversion training
22447683704Multiple order low pass filter for an xDSL splitter in a telecommunication system
22457680509Transmission/reception integrated radio-frequency apparatus
22467680455Method and system for antenna selection diversity with biasing
22477680222Receiver and method of processing received data
22487680195COFDM demodulator with an optimal FFT analysis window positioning
22497679431Low flicker noise mixer and buffer
22507676210Method for performing dual mode image rejection calibration in a receiver
22517676209Method and system for allocating channels in a cellular communication network
22527676204Radio receiver having ignition noise detector and method therefor
22537676009Method and circuit for equalizing and compensating IQ imbalance simultaneously
22547672657Tunable filter apparatus, systems, and methods
22557672656Systems and methods to provide wideband magnitude and phase imbalance calibration and compensation in quadrature receivers
22567672655Frequency-selective and adaptive I/Q mismatch digital compensation
22577672412Method and receiver for estimating the channel impulse response using a constant modulus interference removal iteration
22587672411Radio receiver
22597672380Noise-tolerant signaling schemes supporting simplified timing and data recovery
22607668698Duty cycle calibration for receiver clock
22617668270Method and system for programmable filtering offset
22627668269Systems, methods, and apparatus for phase noise mitigation
22637668237Equalizer containing a plurality of interference correcting equalizer sections
22647664478DC offset cancel control method and transmitter/receiver
22657664455Telephone signal cancellation circuit, digital broadcasting reception circuit and portable digital broadcasting reception apparatus
22667664212Apparatus and method for switching clocks while preventing glitches and data loss
22677664172Receiver system having analog pre-filter and digital equalizer
22687660570Active step attenuator
22697660569Methods and apparatus for digital jammer detection
22707660568Method and apparatus for generating a channel estimate using a non-pilot portion of a signal
22717660374Method and apparatus for excision of narrowband interference signals in navigation or communication bands
22727659774Filter circuit
22737657328Device control system, device control method, and control program
22747657247Mixer constant linear range biasing apparatus and method
22757657245Electronic device
22767656978Fast Q-filter
22777656977Method and system of frequency domain equalization
22787656936Method and system for interference reduction in a wireless communication network using a joint detector
22797653423Enhancing signals in a two-way radio system
22807653367Squelch detector
22817653164Adaptive IQ imbalance correction for multicarrier wireless communication systems
22827653163Systems for communicating using multiple frequency bands in a wireless network
22837653162Receiving apparatus and receiving method
22847653161Method of and system for optimizing the capacity of a digital communication system in presence of both internal and external noise
22857653160Method of estimating noise and interference covariance matrix, receiver, and radio system
22867653141Multi-band OFDM UWB communication systems having improved frequency diversity
22877650131Wireless receiver and its demodulating method
22887649407Digitally tuned, integrated RF filters with enhanced linearity for multi-band radio applications
22897647077Method for echo control of a wireless headset
22907647034Design support system and design method for circuit board, and noise analysis program
22917646832Signal receiver
22927646807Receiver system with interdependent adaptive analog and digital signal equalization
22937646236Method and apparatus for tuning resistors and capacitors
22947643814Reception arrangement with preamplifier circuit
22957643590Joint demodulation filter for co-channel interference reduction and related methods
22967643588Method of estimating fading coefficients of channels and of receiving symbols and related single or multi-antenna receiver and transmitter

2009

22977640001System and method for providing distributed gain
22987640000Apparatus and method for cancellation of partially overlapped crosstalk signals
22997639763Wireless communications device including a joint demodulation filter for co-channel interference reduction and related methods
23007639732Intelligent code tracking for spread spectrum systems
23017639071Active LC band pass filter
23027639070Switching circuit in a phase locked loop (PLL) to minimize current leakage in integrated circuits
23037636562Radio frequency mixer and method of operation
23047636558Direct conversion tuner
23057636407Signal detector used in wireless communication system
23067634246Method and system for blocker attenuation using multiple receive antennas
23077634033Spread spectrum detection system and method
23087630466Search engine for a receive equalizer
23097630465Wireless communications device providing time and frequency-domain channel estimates interpolation and related methods
23107630432Method for analysing the channel impulse response of a transmission channel
23117627302Apparatus and method for digital image correction in a receiver
23127627297Multi-tuner system, single package dual tuning system and receiver and digital television using the same
23137627064System and method for enhanced symbol generation
23147627056System and method for orthogonally multiplexed signal transmission and reception on a non-contiguous spectral basis
23157626449Apparatus and method for tuning center frequency of a filter
23167623837Receiver for an integrated heterodyne communication system including BAW-type resonators
23177623605Interference canceling matched filter (ICMF) and related methods
23187623604Suppressing interference for wireless reception and improvements relating to processing a frequency shift keyed signal
23197623595Digital technique of compensating mismatches between in phase and quadrature channels
23207623571Wideband multiple access telecommunication method and apparatus
23217620132Positioning signal reception device and control method of positioning signal reception device
23227620131Digital clock controller, radio receiver, and methods for use therewith
23237616720Multirate digital transceiver
23247615188Apparatus for measuring absorbed power
23257613438Method for reducing the effect of impulse noise in a motor vehicle radio
23267613260Modem control using cross-polarization interference estimation
23277610031Error correction in receiver of radio system
23287609406Hand held portable printer with RFID read write capability
23297609108Phase-locked loop and compound MOS capacitor thereof
23307606549Selective channel tuner and tuning method
23317606548Data transmission method
23327606547Active resistance summer for a transformer hybrid
23337603098Programmable IF frequency filter for enabling a compromise between DC offset rejection and image rejection
23347602867System and method for linear distortion estimation by way of equalizer coefficients
23357602838Linear turbo equalization using despread values
23367600247Television tuner
23377599455Method and apparatus for determining an output sequence from an input sequence
23387599454Method and apparatus for symbol alignment in diversity signal reception
23397596362DC offset calibration for a radio transceiver mixer
23407596361Low noise amplification circuit
23417596195Bandpass filter with reversible IQ polarity to enable a high side or low side injection receiver architecture
23427596183Joint optimization of transmitter and receiver pulse-shaping filters
23437593494System and method for canceling impulse noise
23447593493Method and system for pre-equalization in a single weight (SW) single channel (SC) multiple-input multiple-output (MIMO) system
23457593486Apparatus and method for controlling transmission mode in a MIMO mobile communication system
23467590400Radio apparatus
23477590396Multimode communication device with shared signal path programmable filter
23487590206Equalization apparatus and equalization method
23497590205Receiver with sliding intermediate frequency (IF) architecture and programmable bandwidth and method
23507590204Technique for adaptive equalization in band-limited high data rate communication over fading dispersive channels
23517590203Joint symbol, amplitude, and rate estimator
23527590166Apparatus and method for canceling an interference signal in a mobile communication system using multiple antennas
23537587010Complex filter circuit and receiver circuit
23547587009Synchronization and estimation of a transmission channel
23557587008Decoding error correcting codes transmitted through multiple wire twisted pair cables with uneven noise on the wires
23567586996Method for controlling the power of the output signal from an amplifier system and the associated system
23577586983Systems and methods for offset cancellation in integrated transceivers
23587586837Acquisition of a gated pilot signal
23597583950High linearity tunable bandpass filter
23607583947Method and system for single sideband mixing receiver architecture for improving signal quality
23617583769Operating GPS receivers in GPS-adverse environment
23627583768Apparatus for canceling intersymbol interference in semiconductor memory device and method thereof
23637583756Adaptive pilot filter for a wireless communication system
23647583723Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual interference (SPRI) detector
23657583722Scaling using gain factors for use in data detection
23667583166Inductor Q factor enhancement apparatus has bias circuit that is coupled to negative resistance generator for providing bias signal
23677580692Mobile wireless communications device having low-IF receiver circuitry that adapts to radio environment
23687580680Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method
23697580447Reception device and radio communication system using the same
23707579931Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same
23717577419Digital mixer system and method
23727577218Signal acquisition apparatus and method for reducing false alarm rate
23737577194Equalizer and equalization method
23747574189Transmitter and power amplifying method
23757574188Apparatus and method for removing jammer signal in wireless communication receiver
23767574184Method and device for detecting occupation by a signal of an adjacent channel
23777573966Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding
23787573965Kalman filter for channel estimation in OFDM systems
23797573964Channel estimator with extended channel bandwidth
23807573959Method and apparatus for removing impulse noise
23817570935Derivative superposition circuit for linearization
23827570723Multiple input, multiple output channel, digital receiver tuner
23837570693Low noise digital to pulse width modulated converter with audio applications
23847570690Adaptive equalizer with a dual-mode active taps mask generator and a pilot reference signal amplitude control unit
23857567783I/Q mismatch calibration of direct conversion transceivers using the OFDM short training sequence
23867565127Signal processing unit
23877561865System and method for determining a resonant frequency in a communications device
23887561864RF receiver with NLMS channel estimator and method therefor
23897561847Radio apparatus, radio communication system, spatial path control method, and spatial path control program
23907561648Frequency error estimation
23917561647Equalising and decoding device for frequency-selective channels
23927561644Method, system and device for reducing co-channel interference
23937558543Radio frequency tuner
23947558353Method for suppressing impulse noise and device thereof
23957558352Apparatus and method for preprocessing of pilot symbols for channel estimation by means of adaptive low-pass filtering
23967558351Super harmonic filter and method of filtering frequency components from a signal
23977555281RF receiving apparatus
23987555279Systems and methods for DC offset correction in a direct conversion RF receiver
23997555278Unconditionally stable filter
24007555082Device, apparatus and method for receiving data transmissions having different data rates
24017555081Log-sampled filter system
24027555080Digital broadcasting receiving system and equalizing method thereof
24037555040Method and apparatus for generating equalizer filter tap coefficients
24047554388Integrated circuit apparatus
24057551701Frequency domain training of prefilters with interference suppression
24067551700Receiving method and receiver
24077551699Method and apparatus for controlling a smart antenna using metrics derived from a single carrier digital signal
24087548599Method and apparatus for reducing cross-talk with reduced redundancies
24097548598Method and apparatus for iteratively improving the performance of coded and interleaved communication systems
24107548596Ethernet channel estimation device and method
24117548475Apparatus of processing a signal in a memory device and a circuit of removing noise in the same
24127548129On-chip R-C time constant calibration
24137546120Method and system for managing transmission of media to multiple subscribers
24147546109Gilbert mixers with improved isolation and methods therefor
24157546105Interference rejection in radio receiver
24167545871Discrete multi-tone system having DHT-based frequency-domain equalizer
24177545861Timing recovery circuit and timing recovery method
24187545857Receiver architecture employing low intermediate frequency and complex filtering
24197545846Interference cancellation in a spread spectrum communication system
24207545309System and method for communicating low data rate information with a radar system
24217542748Signal processing circuit comprising an attenuating unit, a detecting unit, and an attenuation rate setting unit
24227542742Down converter with shielding structure
24237541863Transferred-impedance filtering in RF receivers
24247539475Wireless terminal methods and apparatus for DC tone special treatment
24257539474DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
24267539470Tracking filter for selecting channel of wideband frequency
24277539275Analog to feature converter for SIGINT applications
24287536162Active resistive summer for a transformer hybrid
24297536161Magnetically differential input
24307536114Method and system for converting an optical received pulse train into an electrical output pulse train
24317535980Selectively disabling interference cancellation based on channel dispersion estimation
24327535962Method and apparatus for signaling characteristics of a transmitted signal
24337532911Random beamforming method for a MIMO system
24347532874Offset balancer, method of balancing an offset and a wireless receiver employing the balancer and the method
24357532870Method and apparatus for DC offset removal
24367529328Apparatus and method for estimating a Doppler frequency and a moving velocity of a wireless terminal
24377529297Equalizer training method using re-encoded bits and known training sequences
24387526266Adaptive coherent RFID reader carrier cancellation
24397526265Method and system for receiver impairment estimation and correction
24407526053Sequence detector using viterbi algorithm with soft output error correction
24417526052Configurable filter and receiver incorporating same
24427526051Method and system for interference cancellation for high spectral efficiency satellite communications
24437525481Performance of a receiver in interfering conditions
24447522900DC offset correction for use in a radio architecture
24457522899Image rejection scheme for receivers
24467521991Balanced band-pass filter for radio receivers
24477519349Transceiver development in VHF/UHF/GSM/GPS/bluetooth/cordless telephones
24487519348Harmonic suppression mixer and tuner
24497519347Method and device for noise detection
24507519340Method and apparatus capable of mitigating third order inter-modulation distortion in electronic circuits
24517519136Wireless positioning approach using time delay estimates of multipath components
24527519122OFDM reception apparatus and OFDM reception method
24537515895System and method for on-chip filter tuning
24547515894System and method for providing a multiband antenna
24557512199Channel estimation method operable to cancel a dominant disturber signal from a received signal
24567512198Efficient diversity combining for wideband downlink
24577511570Transconductance filtering circuit
24587508869Apparatus method and system for characterizing a communication channel and increasing data throughput
24597508778System and method for adjusting quality of service in a communication system
24607505761Wireless terminal device, wireless communication method, and computer program
24617505746IC receiver to minimize tracking error
24627505744DC offset correction using multiple configurable feedback loops
24637505538Ultra wideband communication system, method and device with low noise reception
24647505513Colored noise detection algorithms
24657502604Wireless environment method and apparatus
24667499686Method and apparatus for multi-sensory speech enhancement on a mobile device
24677496341Device and method for providing DC-offset estimation
24687496340I/Q mismatch calibration of direct conversion receivers using radio frequency noise
24697493141Common radio architecture for multi-mode multi-band applications
24707493097High dynamic range compact mixer output stage for a wireless receiver
24717493080Methods and systems for cooperative transmission in multi-hop ad-hoc networks
24727492845Adaptive equalization system for a signal receiver
24737492844Data processing method, equalizer and receiver
24747492840Adaptive electronic transmission signal cancellation apparatus for full duplex communication
24757489915Squelch circuit and communication apparatus used with the same
24767489750DC-control for post processor
24777489748Method for the reception of a signal that has undergone a linear precoding and a channel coding, corresponding reception device and computer program product
24787489721Simplified block linear equalizer with block space time transmit diversity
24797486933Multi-path interference removing for wireless relay system apparatus and method using by same channel frequency
24807484139Amplifier fault detection circuit
24817483687Quadrature sub-harmonic frequency down-converter
24827483685Method and device for wavelet denoising
24837483505Unblind equalizer architecture for digital communication systems
24847483480FFT accelerated iterative MIMO equalizer receiver architecture
24857480356Method of and system for path selection in rich multipath conditions
24867480326Channel diagnostic systems and methods
24877477881Intermediate frequency receiver with improved image rejection ratio
24887477710Systems and methods for analog to digital conversion with a signal cancellation system of a receiver
24897475418Digital broadcasting system and method for automatically locating programs after relocation
24907474884Receiver

2008

24917471751Power and area efficient adaptive equalization
24927471746Whitening of data-dependent, non-stationary noise in an inter-symbol interference channel detector
24937469135Electronic apparatus with an antenna
24947469025Decision feedback transceiver for multichannel communication system
24957468761Frequency converter for a television signal
24967467338Apparatus and method for generating an error signal
24977466973Single conversion tuner
24987466971Active resistive summer for a transformer hybrid
24997466781Programmable filter
25007466780Pseudo-random number sequence filter, filtering method and data recording medium
25017466779Data transmission method, data transmission arrangement and base station
25027466771Block edge effects in iterative diversity reception
25037466743CDMA wireless systems
25047463592Protocol for exchanging control data to mitigate interference problems in wireless networking
25057463189Satellite-based positioning system improvement
25067460627Data reproduction device
25077460624Method and system of reducing collisions in an asynchronous communication system
25087460582Method and device for detection of data transmitted by spectrum spreading
25097457605Low noise image reject mixer and method therefor
25107457604Method for suppressing motor vehicle radio interference
25117457587Method and apparatus for forming array antenna beam of mobile terminal
25127457386System and method for cancelling signal echoes in a full-duplex transceiver front end
25137457379Adaptive multi-step combined DC offset compensation for EDGE 8-PSK
25147457351Cancellation of interference in a communication system with application to S-CDMA
25157454209Adapting operation of a communication filter based on mobile unit velocity
25167454185Wideband I/Q signal generation device
25177454184DC offset cancellation in a wireless receiver
25187453921LPC filter for removing periodic and quasi-periodic interference from spread spectrum signals
25197450924Interference cancellation and receive diversity for single-valued modulation receivers
25207450919I/Q mismatch correction using transmitter leakage and gain modulation
25217450635Single antenna interference cancellation within a wireless terminal
25227447929Countering power resonance
25237447491Multi-tuner integrated circuit architecture utilizing frequency isolated local oscillators and associated method
25247444129Comb-line wireless filter
25257443936Sequence detector using Viterbi algorithm with reduced complexity sequence detection via state reduction using symbol families
25267443916Method and apparatus for communication in the presence of impulse noise
25277443339Cross-correlation suppression technique for position location receivers
25287443269Method and apparatus for selectively blocking radio frequency (RF) signals in a radio frequency (RF) switching circuit
25297440741Over-the-air testing of compact flash radio
25307440737Noise blanker control
25317440527Method of differential-phase/absolute-amplitude QAM
25327437137Mixer system
25337436915FIR filter of DS-CDMA UWB modem transmitter and control method thereof
25347433666Dual receive filter
25357433665Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same
25367433434Communication channel tracking apparatus
25377433433Channel estimation by adaptive interpolation
25387430402Frequency error estimation and correction
25397430255Impulse noise suppression device
25407430242Spectrally constrained impulse shortening filter for a discrete multi-tone receiver
25417429889Control system for programmable filters
25427428281System and method of removing discrete spurious signals in cable broadband and other RF environments
25437428280Receiving apparatus and transceiver
25447428275Integrated FEC decoding and iterative diversity reception
25457426378Separation of cochannel FM signals
25467426236Feedforward equalizer for DFE based detector
25477424332Audio signal processing apparatus and related computer program
25487424281Image-rejection mixers having high linearity and high gain and RF circuits using the same
25497424074Optimizing detector target polynomials in read/write channels to achieve best error rate performance in disk drives
25507424072Receiving apparatus and receiving method
25517423961Radio apparatus and adaptive array processing method
25527421264Device and method for reducing vibration effects on position measurement
25537421045Method and apparatus for computing SIR of time varying signals in a wireless communication system
25547421017Digital filter adaptively learning filter coefficient
25557418035Frequency domain decision feedback equalizer
25567415264Low noise filter for a wireless receiver
25577415256Received signal strength measurement circuit, received signal strength detection circuit and wireless receiver
25587415086Multi-channel communication system for multiple input, multiple output processing of an encoded signal
25597415063Method to estimate noise in data
25607412221Crosstalk reduction method, apparatus, and system
25617412220Signal processing
25627412005Method and apparatus providing time domain interpolated channel estimation with advanced noise suppression for multicarrier transmissions
25637409199Direct conversion receiver with DC offset compensation
25647409020Technique for filter-enhanced clock synchronization
25657409003Method and apparatus for implementing adaptive tomlinson-harashima precoding in a digital data link
25667408426Method and device for transmission without crosstalk
25677406304Electronic component with integrated tuning device, allowing the decoding of digital terrestrial or cable television signals
25687406300Extending wireless communication RF coverage inside building
25697406141Multi-band DMT receiver
25707406140Wraparound canceller, relay system, and wraparound cancelling method
25717406055Radio communication apparatus, transmitter apparatus, receiver apparatus and radio communication system
25727403759Method for the filtering of noise from measured signals
25737403751DC offset calibration system
25747403063Apparatus and method for tuning center frequency of a filter
25757400836Optical receiving device and optical receiving method
25767400694Method and apparatus for eye-opening based optimization
25777400677Method and apparatus for channel equalization
25787398072Mobile wireless communications device with reduced microphone noise from radio frequency communications circuitry
25797398065Programmable sampling band pass filter
25807397226Low noise, low power, fast startup, and low drop-out voltage regulator
25817395042Enhancing signals in a two-way radio system
25827394881Radio receiver and/or transmitter including a programmable equalizer
25837394880Method and apparatus for simulating radio channel
25847392031Method for cancelling a narrow-band interference signal
25857391833Channel estimator adopting masking
25867391832System and method for channel bonding in multiple antenna communication systems
25877391827Apparatus and method for providing an estimate of a transmit sequence
25887391713Phase rotation technique to reduce Crest Factor of multi-carrier signals
25897389101Use of analog-valued floating-gate transistors for parallel and serial signal processing
25907389098Heterodyne receiver for low noise and image frequency repression
25917389096Monitoring system using multi-antenna transceivers
25927388962Directional hearing enhancement systems
25937388936Digital data receiver for edge cellular standard with DC offset correction, channel impulse response estimation, I/Q phase imbalance compensation, interference estimation, and selective equalization
25947388909Initialization method for a network system
25957386078Adaptive filtering method and filter for filtering a radio signal in a mobile radio-communication system
25967385438Active filter for reduction of common mode current
25977379725LNA gain adjustment in an RF receiver to compensate for intermodulation interference
25987379711Method and apparatus capable of mitigating third order inter-modulation distortion in electronic circuits
25997379516Equalization and interpolated timing recovery for a partial response channel
26007376409Bandpass filter with integrated variable gain function using improved resistor array
26017376408Reduction of near field electro-magnetic scattering using high impedance metallization terminations
26027376210Apparatus and method for performing adaptive channel estimation in a mobile communication system
26037373131Signal processing method and signal processing apparatus
26047373130Simultaneous channel estimation of a carrier and an interferer
26057373129Radio communication terminal
26067373128Inter-cellular interference cancellation
26077372927Digital filter for software-defined radio system, digital intermediate frequency signal processing apparatus having the digital filter, and method thereof
26087372923Method for equalization of a payload signal, taking into account an interference source
26097369836Adjacent interference removal device
26107369835Image rejection mixer providing precision image rejection
26117369834Impedance-matched IQ network for an image rejection circuit
26127369831Radio wave receive, radio wave reception integrated circuit, wave clock, and repeater
26137369631Symbol synchronizer for software defined communications system signal combiner
26147366491Noise cancel circuit
26157366489Mobile communication apparatus
26167366470Inter-modulation distortion compensation
26177363063Mobile wireless communications device with reduced interference from the keyboard into the radio receiver
26187362833Dynamic special character selection for use in byte alignment circuitry
26197362830Smart antenna system and method
26207362829Multi-band single-carrier modulation
26217359693Enclosure and substrate structure for a tuner module
26227359466Signal detection by a receiver in a multiple antenna time-dispersive system
26237356317Adaptive-biased mixer
26247356096Multiple hypothesis channel estimation and prediction for OFDM systems
26257356073Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual-interference (SPRI) detector
26267352911Method for bilateral filtering of digital images
26277352833Method and system for temporal autocorrelation filtering
26287352832Method and implementation for adaptive symbol decision mapping
26297352794Method and arrangement for use in a single user detector for a CDMA multi-path system
26307349724Radio frequency arrangement and production method and also use
26317349506Semiconductor integrated circuit and method for testing the same
26327349505Relayed communication with versatile self-interference cancellation
26337349503Adaptive interference immunity control
26347349487Nyquist filter and method
26357346480Impedance mismatch modeling in a data flow or discrete time based system simulation
26367346327Wireless receiving circuit and wireless portable device
26377346326Mobile communication terminal with equalizer function
26387346325Receiver, receiving method and portable wireless apparatus
26397346173Method and circuit assemblage for influencing the treble reproduction of an audio signal
26407346137Nonuniform oversampled filter banks for audio signal processing
26417345988System and method for providing crosstalk management for high-speed signaling links
26427342983Apparatus and method for digitally filtering spurious transitions on a digital signal
26437342982Demodulation apparatus for a network transceiver and method thereof
26447340020Method and apparatus for tracking invalid signals through a digital system
26457340019Programmable filter
26467340016Equalizers for multi-branch receiver
26477339988Channel monitoring and identification and performance monitoring in a flexible high speed signal processor engine
26487339420Method of switching PLL characteristics and PLL circuit
26497339419Filter circuit array
26507336938Phase-alternating mixer with alias and harmonic rejection
26517336747Coding system for minimizing digital data bandwidth
26527333791Use of an image reject mixer in a forward data channel tuner
26537333577Method for equalization of a data signal taking account of interference channels
26547333576Digital demodulation device and synchronization detecting method
26557333468Digital phase locked loops for packet stream rate matching and restamping
26567333423Transceiver with calibrated I and Q paths and methods for deconvolved calibration
26577332930Noise canceller circuit
26587330722System and method for testing automated provisioning and maintenance of Operations Support Systems
26597327997High order trans-impedance filter with a single operational amplifier
26607327996High sensitivity radio receiver
26617327995Active resistance summer for a transformer hybrid
26627327983RF-based antenna selection in MIMO systems
26637327814Amplitude and bandwidth pre-emphasis of a data signal
26647327813Digital receiving device and radio communication system
26657324618Apparatus and method for canceling narrow-band interference in a mobile communication system
26667323928High capacitance integrated circuits
26677321754Radio-frequency signal frequency conversion device for a low power RF receiver
26687321646Methods and apparatus for pre-filtering a signal to increase signal-to-noise ratio and decorrelate noise
26697319850Low noise block downconverter converting received signal to intermediate frequency signal
26707317906AM radio receiver
26717317772Multi-mode variable rate digital cable receiver
26727317698Interference detection, identification, extraction and reporting
26737315816Recovering method of target speech based on split spectra using sound sources' locational information
26747315200Gain control for delta sigma analog-to-digital converter

2007

26757313413Radio frequency receiving apparatus and method of mobile communication terminal
26767313208Pre-equalization for low-cost DTV translators
26777313172Scaling using gain factors for use in data detection
26787313167Signal-to-noise ratio estimation of CDMA signals
26797312833Channel equalizing apparatus and method for digital television receiver
26807310395Method and apparatus for correlative estimation of a mobile radio channel
26817310394LMMSE-based RAKE receiver with channel tap assignment
26827308057Baseline wander compensation for perpendicular recording
26837307484Semiconductor integrated circuit device with noise reduction function
26847305221Intermediate frequency circuit of television tuner
26857305057Multichannel filter-based handheld ultra wideband communications
26867305028Methods and system for equalizing data
26877302025Efficient joint equalization/decoding method and apparatus for Complementary-Code-Keying based systems
26887299027MIMO receiver and MIMO reception method for selection of MIMO separation and channel variation compensation
26897299026Method and apparatus for interference cancellation performing level adjustment processing for standardizing a channel estimation value between operations of channel estimation processing and joint detection operation processing
26907298801Method and device for demodulating signals from multiple users
26917298205Amplifier and frequency converter
26927295813Current reduction by dynamic receiver adjustment in a communication device
26937295638Communication device
26947295634Portable communication device and method therefor
26957292836Direct conversion receiver
26967292833Reception system for multisensor antenna
26977292824Communication control method and communication control system
26987292663Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
26997292662Feed forward clock and data recovery unit
27007292661Block-iterative equalizers for digital communication system
27017292637Noise-tolerant signaling schemes supporting simplified timing and data recovery
27027292619Method and system for acquiring ultra-wide-bandwidth communications signals using sequential block searches
27037289586Signal processing apparatus and method
27047289167Television tuner including distribution connectors
27057286809Method and circuit system for suppressing noise in a signal processing circuit
27067286806Detachable radio module
27077286621Reception method and receiver array for a duplex transmission system
27087286517Multi-user detection method for a receiver in a MC-CDMA telecommunication system
27097286500Code division multiple access system having improved pilot channels
27107283799Cancellation system for frequency reuse in microwave communications
27117279989Apparatus, system and method capable of clock noise mitigation using a frequency adaptive process
27127277722Reducing undesirable audio signals
27137277688DC offset correction for very low intermediate frequency receiver
27147277516Adaptive equalization system for a signal receiver
27157277515Receiver for block code in near-minimum phase channel
27167277513Frequency domain notching with dummy subchannels
27177277512Systems and methods for accounting for intercarrier interference in transmission systems
27187277499Additive DC component detection included in an input burst signal
27197277493Equalization in orthogonal frequency domain multiplexing
27207274760Circuit and method for dynamically modifiable signal processor
27217274750Gain and phase imbalance compensation for OFDM systems
27227274736Multiple path equalization for multicarrier systems
27237272367Multiband filter circuit and high-frequency transmitter
27247272199Adaptive adjustment of time and frequency domain equalizers in communications systems
27257271647Active polyphase filter
27267268836Television tuner device generating intermediate-frequency signal free from harmonic interference of reference signal
27277266466Watermark time scale searching
27287266360Low noise amplifier for wireless communications
27297266359DC interference removal in wireless communications
27307266357Reduced local oscillator feedthrough quadrature image reject mixer
27317266351Transconductance / C complex band-pass filter
27327266166Method and arrangement for interference attenuation
27337266062Noise removal using 180-degree or 360-degree phase shifting circuit
27347265557Method and circuit for measuring characteristic parameters of intermodulation distortion
27357263342High frequency wireless receiver circuits and methods
27367260506Orthogonalization and directional filtering
27377260373Direct conversion receiver
27387260164Efficient filtering of RxLOS signal in SerDes applications
27397260163Noise blanker using an adaptive all-pole predictor and method therefor
27407257181Method and apparatus for channel equalization
27417257180Method for receiving a message signal, receiver, receiving device and message transmission system for this
27427257171Method and apparatus for reference symbol aided channel estimation
27437254379RF receiver mismatch calibration system and method
27447254200System and method for frequency burst detection for GSM/GPRS
27457254199Location-estimating, null steering (LENS) algorithm for adaptive array processing
27467254198Receiver system having analog pre-filter and digital equalizer
27477254178Spectrally constrained impulse shortening filter for a discrete multi-tone receiver
27487251468Dynamically matched mixer system with improved in-phase and quadrature (I/Q) balance and second order intercept point (IP2) performance
27497251303Digital data receiving apparatus and method with system changeover function
27507249271Data transfer control device and electronic instrument
27517248849Frequency domain training of prefilters for receivers
27527248848Communication apparatus including dual timer units
27537245896Apparatus for improving reception sensitivity of public wave receiver by reducing noise externally-emitted in the public wave receiver
27547245680Method of differential-phase/absolute-amplitude QAM
27557245679Receiving apparatus and transceiver
27567245675Upstream data transmission
27577242918Current driven polyphase filters and method of operation
27587239876Method for increased location receiver sensitivity
27597239680Methods for performing channel diagnostics
27607239657Interference protection
27617236760Tuner for reception of a broadband radio frequency signal
27627236743Method and arrangement for noise rejection in a receiver circuit
27637236550Method and apparatus for tail cancellation equalization
27647236534Method and apparatus for noise reduction by spectral and subcarrier averaging
27657233780Method and apparatus for performing DC offset cancellation in a receiver
27667233633Channel estimation using linearly constrained filter coefficients
27677231193Direct current offset correction systems and methods
27687230975Adaptive pilot filter for a wireless communication system
27697228120Circuit and method for reducing direct current biases
27707228113SIMO/MISO transceiver for providing packet data communication with SISO transceiver
27717224953Receiving device and television receiver
27727224400Sharp-tuned filter-combiner for combining adjacent TV channels
27737221925Broadcast receiver with antenna/frequency diversity
27747221924Wideband monolithic tunable high-Q notch filter for image rejection in RF application
27757218910High impedance circuit
27767218906Layered space time processing in a multiple antenna system
27777218673Channel equalizer of single carrier receiver and equalizing method thereof
27787218667Radio reception apparatus and radio reception method
27797218269Method for enlarging the interference-free dynamic range of non-linear signal processing components
27807218170Multi-pole current mirror filter
27817215939Apparatus and method for detecting ripples caused by multipath propagation and controlling receiving antenna and tuner
27827215936Super-regenerative receiver including phase-locked loop
27837215724Signal demodulation in a mobile receiver
27847212801Electrostatic protection circuit with impedance matching for radio frequency integrated circuits
27857212595Reduced complexity time-frequency trained equalizer for discrete multi-tone based DSL systems
27867212569Frequency domain decision feedback equalizer
27877206605Radio receiver
27887206564System and method to perform adaptive channel filtering on a radio frequency burst in a cellular wireless network
27897206563Reduction of radio frequency interference (RFI) produced by switching amplifiers
27907206562Cross polarized wave interference eliminating system and method
27917206400Method and system for data field reuse
27927206366System and method for programmably adjusting gain and frequency response in a 10-GigaBit ethernet/fibre channel system
27937206349Multicarrier receiver with channel estimator
27947203474Receiver system
27957203256Ethernet channel estimation device and method
27967200377Method and system for multi-channel RF digitization with analog selectivity
27977200374Method and apparatus to improve throughput in a wireless network using a minimum received interference power level
27987200194Receiver signal dynamic range compensation based on received signal strength indicator
27997200192Method and apparatus for decoding orthogonal codes
28007197293Absorbing sum signal energy in a mixer
28017197292Chopper stabilized analog multiplier
28027197291Multimode receiver and method for controlling signal interference
28037197290Method for AM band interference suppression via frequency shift
28047197095Inverse fast fourier transform (IFFT) with overlap and add
28057196573Systems and methods for creating complex poles
28067194051Finger merge protection for rake receivers
28077190929Method and apparatus of RAKE finger management in RAKE receiver
28087190842Elementary cell of a linear filter for image processing
28097190751Multi-stage filter circuit and digital signal processing circuit employing the same
28107190741Real-time signal-to-noise ratio (SNR) estimation for BPSK and QPSK modulation using the active communications channel
28117187736Reducing interference in a GSM communication system
28127187735Mixed technology MEMS/SiGe BiCMOS digitalized analog front end with direct RF sampling
28137184738Radio apparatus
28147184737Image-rejection I/Q demodulators
28157184736Apparatus and method for dynamic DC offset detection and cancellation using high pass filter with variable impedance and corner frequency
28167184724System and method for frequency translation using an image reject mixer
28177184474Colored noise detection algorithms
28187181184Band edge amplitude reduction system and method
28197181177Channel estimation in a multi carrier transmit diversity system
28207180969Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems
28217180552Channel equalizer in digital TV receiver
28227177618Low noise block down converter with a plurality of local oscillators
28237177617Method and apparatus for enhancing signal quality within a wireless receiver
28247177615Receiver with adjacent interfering wave elimination function
28257177614Narrowband noise mitigation in location-determining signal processing
28267177613Reducing noise and distortion in a receiver system
28277177599Line quality characteristic evaluation system
28287177363Signal processing system and method
28297174146Method and apparatus for I/Q mismatch calibration in a receiver
28307173991Methods and apparatus for spectral filtering channel estimates
28317173988Adaptive phase and gain imbalance cancellation
28327171180AM receiver circuit performing sound quality compensation of AM detection output signal
28337170959Tailored response cascaded integrator comb digital filter and methodology for parallel integrator processing
28347170958Method and apparatus for adaptive equalization of high speed data communications
28357167043Decoupling circuit for co-packaged semiconductor devices
28367164898Wireless portable device
28377164895Antenna tuned circuit for a superheterodyne receiver
28387164741Non-recursive resampling digital fir filter structure for demodulating 3G cellular signals
28397161997Programmable baseband module
28407161416Programmable filter
28417158773Noise reduction device and wireless LAN base station apparatus using the device
28427158772Filter for broadcast receiver tuner
28437158591Recursive resampling digital filter structure for demodulating 3G wireless signals
28447158505Periodic cell search

2006

28457155177Weight prediction for closed-loop mode transmit diversity
28467154972Receiver-side adaptive equalization in source-synchronous chip-to-chip communication systems
28477151918Low reflection limiter and transmitting/receiving module utilizing same
28487151916Method of receiving a signal and a receiver
28497149498Detecting usable frequency channels by exploiting complex polyphase filter operation
28507149264CDMA pilot assisted channel estimation
28517149239Communication system and methods of estimating channel impulse responses therein
28527146148Low intermediate frequency type receiver
28537146147Aircraft wireless communication system and method
28547145972Polyphase channelization system
28557142900Combined global positioning system receiver and radio
28567142836Microwave filter distributed on circuit board of wireless communication product
28577142834Noise removing circuit
28587142818Systems and methods for reducing radio receiver interference from an on-board avionics transmitter
28597142583Receiver with plural detecting processors
28607139544Direct down-conversion receiver with transconductance-capacitor filter and method
28617139543Distortion reduction in a wireless communication device
28627139542Method and apparatus for compensating DC level in an adaptive radio receiver
28637139343Digital radio receiver
28647139342System and method for cancelling signal echoes in a full-duplex transceiver front end
28657139341Receiver circuit for a communications terminal and method for processing signals in a receiver circuit
28667136423Side tones packets injection (STPI) for PAR reduction
28677133656Direct conversion receiver
28687133653Receiver and composite component having local oscillator components and mixing circuit integrally formed on semiconductor substrate
28697133642Apparatus and method for interference suppression transmission
28707133478Device and method for detecting and suppressing noise
28717133477Robust low complexity multi-antenna adaptive minimum mean square error equalizer
28727133468Concurrent FM signal receiver
28737133457Joint timing recovery for multiple signal channels
28747130606Integrated semiconductor mixer
28757130605Method and device for synchronization and cancellation of a plurality on interfering signals in radio transmission with frequency reuse
28767130597Receiver having high-frequency amplifier circuit portions integrally formed on a semiconductor substrate
28777129994Television tuner having level of harmonics of oscillation signal suppressed low
28787129854Electronic device with force sensing key
28797127226Twin-T dual notch filter
28807127016Nonuniform oversampled filter banks for audio signal processing
28817127015Digital filter for reducing voltage peaks
28827127014High performance wireless receiver with cluster multipath interference suppression circuit
28837126922Dynamic radio link adaptation for interference in cellular systems
28847123895Method and system for implementing a communications transceiver using modified GPS user equipment
28857123894Dynamic range extension system and method
28867123673System and method for transmission of digital information of varying sample rates over a synchronous network
28877123082Variable time constant circuit and filter circuit using the same
28887120416Semiconductor device and receiver
28897120409High frequency module and radio device using the same
28907120408Differential signal squelch detection circuit and method
28917120212Device and method for receiving with at least two reception channels, and corresponding use
28927120210Method and system for processing a signal
28937119607Apparatus and method for resonance reduction
28947118532Data dependent color wall filters
28957116964Signal reception and processing method for cordless communications systems
28967116963Simplified high frequency tuner and tuning method
28977116961Image rejection quadratic filter
28987116960Image-rejecting antenna apparatus
28997116953Local oscillator using I/Q mismatch compensating circuit through LO path receiver using thereof
29007116734Method and system for providing maximum likelihood detection with decision feedback interference cancellation
29017116703Multipath signal strength indicator
29027113559Efficient methods for filtering to avoid inter-symbol interference and processing digital signals having large frequency guard bands
29037113557Noise canceling method and apparatus
29047113556Reliable decision directed adaptation in a communication system employing forward error control
29057110537Mobile vehicle housing for a portable communication device
29067110482Method and apparatus for tracking invalid signals through a digital system
29077110479Method for determining the quality of a communication channel
29087109845Circuit arrangement for signal detection having current mirror with cascode coupled transistors
29097107034High frequency and low noise interconnect system
29107107033Smart radio incorporating Parascan.RTM. varactors embodied within an intelligent adaptive RF front end
29117107032Radar detection method for radio local area networks
29127107031Co-channel interference rejection in a digital receiver
29137107024FM modulator output control during turn on
29147107011Interference measurement and evaluation system
29157106816Supporting multiple wireless protocols in a wireless device
29167103342System and method for reducing the effects of clock harmonic frequencies
29177103341Harmonic circuit for improving linearity
29187103334Method and system for tuning quality factor in high-Q, high-frequency filters
29197103123Adaptive equalizer
29207103122Noise canceller
29217103121Frequency diverse single carrier modulation for robust communication over in-premises wiring
29227103118Vectorial combiner for diversity reception in RF tranceivers
29237099420Block interpolation filter structure using lookup table
29247099419Method of equalizing a received signal, receiver and receiving station for it
29257099418Receiver for a mobile radio terminal
29267098830Current switching arrangement for D.A.C. reconstruction filtering
29277098730Process variation trim/tuning for continuous time filters and .DELTA.-.SIGMA. analog to digital converters
29287096051Enhancing signals in a two-way radio system
29297095997Direct-conversion receiver for a communication system using a modulation with non-constant envelope
29307095996Wireless communication system, and demodulation method and data rate control method therefor
29317092465Method and apparatus for processing an amplitude modulated (AM) signal
29327088978System and method for interference cancellation in a wireless communication receiver
29337088977Wireless communication apparatus and wireless communication method
29347088954Wireless communication device
29357088202Methods and apparatus for an improved discrete LC filter
29367085548Harmonic mixer
29377085547Mixer circuit and high frequency signal receiver using the same
29387085536Method and apparatus for dynamically resolving radio frequency interference problems in a system
29397085317Communication receiver with an adaptive equalizer length
29407082174Method and apparatus for processing a modulated signal using an equalizer and a rake receiver
29417079820Combining signals exhibiting multiple types of diversity
29427079612Fast bit-error-rate (BER) test
29437079610Telecommunications transmission systems
29447079608Method and device for channel estimation, in particular for a cellular mobile telephone
29457079607Multi-user detection method
29467079576Joint zero-forcing and matched-filter adaptive digital equalizer
29477078960Method and system for filter tuning using a digital trim value
29487076230Radio frequency apparatus
29497076229Circuits with improved power supply rejection
29507076011Integrated frequency translation and selectivity
29517075363Tuned continuous time delay FIR equalizer
29527072635Method for combining data from phase indeterminate data streams for raking
29537072617System and method for suppression of RFI interference
29547072614Communication device
29557072429Filter coefficient setting technique for variable filtering process and variable sampling frequency conversion
29567072428Method and apparatus for synchronization
29577072427Method and apparatus for reducing DC offsets in a communication system
29587068990Receiver for two orthogonally polarized signals
29597068986Method for processing radio waves, and audio system utilizing the method
29607068713Digital filter circuit
29617058381Equalizing circuit with notch compensation for a direct conversion receiver
29627058147Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems
29637058144Intelligent control system and method for compensation application in a wireless communications system
29647057450Noise filter for an integrated circuit
29657054607Method and apparatus for reducing DC offset in a wireless receiver
29667054390Receiver and adaptive equalizing method
29677050781Self-calibrating tunable filter
29687050778Direct conversion turner
29697050777Methods and circuitry for reducing intermodulation in integrated transceivers
29707050517System and method suitable for receiving gigabit ethernet signals
29717050513Block based channel tracking using weighted recursive least squares
29727050491Adaptive equalization of digital modulating signal recovered from amplitude-modulated signal subject to multipath
29737049992Sample rate doubling using alternating ADCs
29747046979Receiver for rejecting image signal
29757046753Interference canceller with fast phase adaptation
29767046745Signal processing circuit
29777043222FSK modulator using IQ up-mixers and sinewave coded DACs
29787043221Mixer circuit with image frequency rejection, in particular for an RF receiver with zero or low intermediate frequency
29797043220Image-rejection mixer having high linearity and high gain
29807043206Fully integrated offset compensation feedback circuit
29817043026Method for removing AM neighboring interference and a circuit for the same
29827042967Reduced complexity sliding window based equalizer
29837042929Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
29847039382DC offset calibration for a radio transceiver mixer
29857039138Method and apparatus for bandwidth estimation
29867039096Method and system for resource sharing between demodulating paths of a rake receiver
29877038532Switched-capacitor high-pass mirrored integrator
29887035632Path loss data normalization for growth management of a cellular system
29897035615Mixer circuit having improved even order noise, DC offset, and linearity characteristic
29907035613L1/L2 GPS receiver
29917035590Mobile communication terminal, interference cancellation system, interference cancellation method, and base station
29927035589Method and system for tracking and mitigating DC offset in the presence of carrier frequency offsets
29937035362Method for clock-pulse selection in a baseband combiner and related baseband combiner
29947035361Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding
29957035360Device and method for reducing the amplitude of signals
29967035359Methods and apparatus for demodulation of a signal in a signal slot subject to a discontinuous interference signal
29977031685Receiver for regenerating a signal wave via digital signal processing
29987031662Wireless communication circuit, wireless communication terminal and method, recording medium, and program
29997031416Deterministic distortion insensitive adaptive receiver using decision updating
30007031415Bi-modular adaptive CDMA receiver
30017031412Digital signal processing apparatus
30027030940Tuner that suppresses outside radiation of inside oscillated signal
30037027847Communications system and method, wireless communications system, wireless microphone and wireless receiver
30047027791Analog baseband signal processing system and method
30057027539Pipeline architecture for multi-slot wireless link processing
30067027538Method and system for joint decision feedback equalization and complementary code key decoding using a trellis
30077027537Iterative multi-user detection
30087023939Multi-channel digital modem
30097023263Low pass filter
30107020219Wireless user terminal and system having high speed, high resolution, digital-to-analog converter with off-line sigma delta conversion and storage
30117020218Sliding-window transform with integrated windowing
30127020210Inter-device adaptable interfacing clock skewing
30137016661Multi-mode receiver for frequency error mitigation
30147016650Multi-path adaptive receiver apparatus and method for the reception of frequency shift keyed signals
30157016440Iterative MMSE equalization-decoder soft information exchange decoding method and device
30167016438Cross polarization interference canceller and method of canceling cross polarization interference
30177013120Walking weaver image reject mixer for radio
30187010328Wireless communications system, wireless microphone transmission apparatus, and wireless receiving apparatus
30197010279Radio frequency integrated circuit electro-static discharge circuit
30207010070High performance wireless receiver with cluster multipath interference suppression circuit
30217010064Channel delay spread adaptive equalization and decoding
30227003272Radio apparatus with adjustable reception quality
30237003228Method and apparatus for improved high-speed adaptive equalization
30247003058Polarization division duplexing with cross polarization interference canceller
30257002403Transconductance/C complex band-pass filter
30266999778Multipath assistance for pilot phase measurement processes
30276999746Image rejection mixer
30286999744Measurement of local oscillation leakage in a radio frequency integrated circuit
30296999743Line interface with second order high pass transfer function
30306999726Radio station and radio system
30316999725Controlling operation of mobile base station so as to avoid radio interference
30326999724Slowing the observed rate of channel fluctuations in a multiple antenna system
30336999723System and method for reducing the effects of clock harmonic frequencies
30346999541Signal processing apparatus and method
30356999540Programmable driver/equalizer with alterable analog finite impulse response (FIR) filter having low intersymbol interference and constant peak amplitude independent of coefficient settings
30366999539Linear derivative equalizer, and associated method, for a radio communication system
30376999537Method of removing DC offset for a ZIF-based GSM radio solution with digital frequency correlation
30386999536System for phase error estimation for a quadrature modulator
30396999535Apparatus, and associated method, for recovering a desired component of a receive signal received at a radio device
30406996378Transmitter
30416996199Approach for processing data received from a communications channel to reduce noise power and optimize impulse response length to reduce inter-symbol interference and inter-channel interference
30426996198Nonuniform oversampled filter banks for audio signal processing
30436996197Method and apparatus for reducing interference within a communication system
30446993311Radio receiver having an adaptive equalizer and method therefor
30456993310Current driven polyphase filters and method of operation
30466993309Noise removal apparatus and an FM receiver
30476990327Wideband monolithic tunable high-Q notch filter for image rejection in RF application
30486990326Image suppression filter circuit
30496985711Direct current offset cancellation for mobile station modems using direct conversion
30506985710Image rejection mixer for broadband signal reception
30516985545Apparatus and method to provide spectrum sharing for two or more RF signals occupying an overlapping RF bandwidth
30526983172Method and apparatus for transmitting a traffic signal using an adaptive antenna array
30536983136Directly tuned filter and method of directly tuning a filter
30546983030Approach for processing data received from a communications channel in finite precision arithmetic applications
30556983028Carrier restoration apparatus and method
30566983012Implementation of digital filter with reduced hardware

2005

30576968154Avoidance of interference between items of electrical apparatus
30586967990Interference cancellation apparatus applied in CDMA communication system and method for the same
30596967619Low noise block
30606965658Method and means for telecommunication
30616963626Noise-reducing arrangement and method for signal processing
30626963303Adaptive filter to reduce multipath
30636961553Bidirectional distributed amplifier
30646961543Pilot phase measurement error estimator for position location
30656961019Method and apparatus for reducing GPS receiver jamming during transmission in a wireless receiver
30666959170Communications receivers and methods therefor
30676959056RFI canceller using narrowband and wideband noise estimators
30686957054Radio receiver having a variable bandwidth IF filter and method therefor
30696957052Transmission system, receiver, circuit, and method for removing interference components in a signal
30706957051Apparatus for local reduction of electromagnetic field using an active shield and method thereof
30716956917Method and apparatus for reducing interference in an optical data stream using data-independent equalization
30726956897Reduced rank adaptive filter
30736954628Radio receiver
30746954627Blind modulation cancellation by addition of modulated signal
30756952562Method for filtering a mobile radiotelephone signal and corresponding mobile radiotelephone receiver
30766952460Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
30776950642System and method for reducing noise in a recording receiver
30786947509Oversampled filter bank for subband processing
30796947492Encoding and decoding ultra-wideband information
30806947474Rake receiver for spread spectrum signal demodulation
30816944569Method and apparatus for generating an electronic test signal
30826944560Method for eliminating noise signals in radio signal receiving devices
30836944427Reduced crossmodulation operation of a multimode communication device
30846944423Structure for preventing intermodulation interference in satellite transmission
30856944422Method and device for detecting an interference condition
30866944301Method and apparatus for discriminating multipath and pulse noise distortions in radio receivers
30876941106Structure for reducing intermodulation interference in satellite signal transmission
30886937675Apparatus for improving intermodulation distortion characteristics in a CDMA mobile terminal
30896937674Mapping radio-frequency noise in an ultra-wideband communication system
30906934265Interference cancellation receiver for high-speed communication systems
30916928109Method and apparatus for converting between byte lengths and burdened burst lengths in a broadband communication system
30926920173Spread-spectrum signal receiver apparatus and interference cancellation apparatus
30936917795Multi-carrier receiver with improved radio frequency interference canceling
30946915146Method and apparatus for receiving a plurality of different codes at a plurality of different frequencies
30956915121Integrated tunable filter for broadband tuner
30966914950Multi-protocol receiver
30976909885RF modulator and switch having high antenna isolation
30986909742Method and apparatus for reducing interference in a data stream using autocorrelation derived equalization
30996907244Hand-off between ultra-wideband cell sites
31006906514Concept for compensating the influences of external disturbing quantities on physical functional parameters of integrated circuits
31016904108Bandpass-limiting device for a receiver
31026901243Method and apparatus for mitigating adjacent channel interference in a wireless communication system
31036888899Spatio-temporal processing for communication
31046885852Method and apparatus in a wireless communication device for mitigating a received power overload
31056876635Current reduction by receiver linearity adjustment in a communication device
31066873832Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference
31076865379Automatic radio button mute
31086859647Interference elimination system and interference eliminating method
31096856925Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space
31106853632Technique for peak power to average power ratio reduction in multicarrier communication systems
31116847803Method for reducing interference in a receiver
31126845233RF receivers with reduced spurious response for mobile stations and methods therefor

2004

31136832080Apparatus for and method of adapting a radio receiver using control functions
31146826418Radio circuit and control method of radio circuit
31156826392Multipath noise reduction method, multipath noise reducer, and FM receiver
31166826242Method for whitening colored noise in a communication system
31176819911Active interference suppressor utilizing recombinant transmultiplexing
31186819082Charging device with stress stored by charging that is initiated by externally applied force, and that being eventually released by heat due to charging saturation
31196816930Noise reducing method for radio portable terminal
31206816070Method of generating an alert for walkie-talkie when out of communicatable distance
31216813359Apparatus and method for minimizing multipath interference
31226807405Method and a device for maintaining the performance quality of a code-division multiple access system in the presence of narrow band interference
31236804501Receiver having gain control and narrowband interference detection
31246804496Communicating in the presence of periodic microwave noise
31256804494System and method for the detection and compensation of radio signal time of arrival errors
31266804359Signal processor for reducing undesirable signal content
31276801760Control of receiver immunity to interference by controlling linearity
31286801566Forward power control apparatus and method for use in a multi-carrier communication system
31296799056Computer system including multi-channel wireless communication link to a remote station
31306798854System and method for canceling interference in a communication system
31316795559Impulse noise reducer detecting impulse noise from an audio signal
31326792253Radio receiver for displaying input level and display method thereof
31336791626Input switching circuit for a television tuner immune to interference due to FM broadcasting signal
31346788734Rake receiver for spread spectrum signal demodulation
31356785523Self-correlation detection in automatic gain calibration
31366782062Low power and high linearity receivers with reactively biased front ends
31376778618Methods and devices for minimizing interblock interference in discrete multi-tone devices
31386771721Method and apparatus for eliminating audio clicks in a radio receiver
31396766156Radio transmitter-receiver, high-frequency radio receiver, and control unit
31406763230Frequency-lock filtering receiver
31416763061Frequency domain technique for narrowband noise cancellation in DMT receivers
31426760386Receiver and method therefor
31436760316Method and apparatus for the synchronization of multiple cable modem termination system devices
31446757324Method and apparatus for detecting jamming signal
31456741844Receiver for audio enhancement and method therefor
31466741839System and method for monitoring adjacent channel power in a wireless base station
31476738606FM receiver with bandwidth control means
31486738604Programmable IF bandwidth using fixed bandwidth filters
31496725070Portable radio device
31506725027Multipath noise reducer, audio output circuit, and FM receiver
31516725026Intermodulation control device and method in mobile communication system
31526724840Adaptive interference cancellation method
31536721549Low-noise amplifier for a mobile communication terminal
31546721547In-band and out-of-band signal detection for automatic gain calibration systems
31556718166Multiple carrier adaptive notch filter
31566711380Method and apparatus for reducing interference effects caused by microwave sources
31576708023Method and apparatus for noise suppression of received audio signal in a cellular telephone
31586707858Low IF receiver
31596704378Interference detection, identification, extraction and reporting
31606700976Noise canceler system with adaptive cross-talk filters
31616697613System for canceling internal interference in a receiver
31626694129Direct conversion digital domain control
31636690927DECT transmit-receive terminal and method for communicating between a DECT transmit-receive terminal and a DECT base station
31646690805Audio signal noise reduction system
31656687491Direct conversion of low power high linearity receiver
31666678319Digital signal processing for high-speed communications
31676677732Charge and/or discharge circuit, and carrier detector circuit using same
31686674999Dynamically varying linearity system for an RF front-end of a communication device

2003

31696671331Carrier detecting circuit for detecting the level of a received signal and communication apparatus
31706670914RF system for rejection of L-band jamming in a GPS receiver
31716670901Dynamic range on demand receiver and method of varying same
31726668164Method and apparatus for reducing intermodulation distortion in a low current drain automatic gain control system
31736668028Low-power CDMA receiver
31746665526Multipath noise reducer, audio output circuit, and FM receiver
31756658245Radio receiver having a dynamic bandwidth filter and method therefor
31766654430Apparatus for receiving digital subscriber line signal having resilience to HAM radio interference and method therefor
31776651021System using adaptive circuitry to improve performance and provide linearity and dynamic range on demand
31786650624Cable modem apparatus and method
31796647252Adaptive threshold algorithm for real-time wavelet de-noising applications
31806646449Intermodulation detector for a radio receiver
31816643502Multi-standard reception
31826643339Receiver and receiving method
31836625238Low power and high linearity receivers with reactively biased front ends
31846622044System and method for removing narrowband noise
31856622008Method and apparatus for reduction of FM interference for FM in-band on-channel digital audio broadcasting system
31866618453Estimating interference in a communication system
31876614806Method and apparatus for interfering receiver signal overload protection
31886611679Device and method for controlling a receiving amplifier in a radio terminal
31896606488Communications receiver with intermodulation reduction, and method
31906606352Method and apparatus for converting between byte lengths and burdened burst lengths in a high speed modem
31916603799Method for detecting the hopping sequence of an interfering wireless system
31926583826Intermediate frequency circuit in television tuner with large attenuation of audio if signal in adjacent channel
31936577855Low IF receiver
31946577854System and method for radio signal reconstruction using signal processor
31956567646Method and apparatus in a radio communication system
31966564071Transmission of data over a radio frequency channel
31976563860Base station having a set of phased array antennas
31986553214Active window glass antenna system with automatic overload protection circuit
31996553075Method and apparatus for determining crosstalk
32006552591Method and apparatus for processing a wide dynamic range signal
32016546057Suppression of radio frequency interference and impulse noise in communications channels
32026542724Method and apparatus for performing image signal rejection
32036539202Interference canceling device
32046539068Receiver of wideband digital signal in the presence of a narrow band interfering signal
32056532358Overload distortion protection for a wideband receiver
32066519464Use of third party ultra wideband devices to establish geo-positional data
32076516026Data transmission equipment
32086505038Method of driving a receiver stage and respective apparatus

2002

32096498926Programmable linear receiver having a variable IIP3 point
32106496683Apparatus and method for suppressing frequency interference
32116493544FM signal quality detector during seek
32126492914Filter-provided device
32136480722Radio receiver
32146470047Apparatus for and method of reducing interference in a communications receiver
32156466163GPS receiver and portable communication apparatus
32166459727Very high speed digital subscriber line receiver, and programmable gain amplifier and narrow-band noise remover thereof
32176456832Antenna circuit
32186456831Amplitude change time activated phase locked controller in a selective call receiver
32196456673Digital radio frequency interference canceller
32206453272Spurious noise filter
32216452981Spatio-temporal processing for interference handling
32226449324Digital radio frequency interference canceller
32236445693Method and apparatus for estimating power of first adjacent analog FM interference in an in-band on-channel (IBOC) communication system
32246442382Filter switching system and method
32256442375Systems and methods for maintaining operation of a receiver co-located with a transmitter and susceptible to interference therefrom by desensitization of the receiver
32266442221Ghost eliminating equalizer
32276426971System and method for accurately predicting signal to interference and noise ratio to improve communications system performance
32286426934One-bit data reproducing system having controllable low pass filter characteristics
32296424825Feedforward and feedback control in a radio
32306408168Receiver with automatic gain control circuit
32316408039Radio communication apparatus employing a rake receiver
32326404891Volume adjustment as a function of transmission quality
32336404830Digital radio frequency interference canceller
32346404748Receipt circuit for a TDMA radio apparatus
32356400935Pilot tone detector
32366400934Method for radio receiver input off-channel and on-channel overload protection
32376400756Phased array spread spectrum receiver
32386397051Dual image-reject mixer receiver for multiple channel reception and processing
32396397050Multiband squelch method and apparatus
32406393260Method for attenuating spurious signals and receiver
32416393079Transient-suppressing mode switch
32426389273Adjacent channel interference reduction in a FM receiver
32436388526Methods and apparatus for high performance reception of radio frequency communication signals
32446385261Impulse noise detector and noise reduction system
32456377631Transmitter incorporating spatio-temporal processing
32466374082RF wireless communication system operating in periodic noise environments
32476373909Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
32486370370Method for improving the wanted signal in a radio receiving unit
32496370211Method and apparatus for facilitating reception of a signal on one of a plurality of contiguous channels
32506366766Input protection circuit for a radio frequency
32516360369Interference tolerant modem
32526360085System and method for receiving a signal
32536356748Spectrum control for direct conversion radio frequency reception
32546351504Reception circuit

2001

32556327464Frequency conversion circuit having a variable trap circuit tuned to the local oscillator frequency
32566324233Reception of modulated carriers having asymmetrical sidebands
32576311048Intelligent control of receiver linearity based on interference
32586304594Interference detection and avoidance technique
32596298221Adaptive receiver linearity techniques for a radio transceiver
32606292520Noise Canceler utilizing orthogonal transform
32616289048Apparatus and method for improving dynamic range in a receiver
32626272327High power wireless telephone with over-voltage protection
32636269133Co-channel interference canceler and driving method therefor
32646269093Adaptive removal of disturbance in TDMA acoustic peripheral devices
32656266361Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system
32666263449Data processor having radio communication function and method of controlling frequency of clock signals in data processor
32676259893Method and apparatus for reduction of FM interference for FM in-band on-channel digital audio broadcasting system
32686256486Method and apparatus for measuring co-channel interference
32696256477Avoiding interference from a potentially interfering transmitter in a wireless communication system
32706256340Phased array spread spectrum system and method5
32716253070Diode amplifier bypass circuit
32726240150Method and apparatus for filtering interference in a modem receiver
32736236846Wireless receiver having improved intelligibility of reception signals, and reception method therefor
32746236845System and method for radio signal reconstruction using signal processor
32756236842Radio receiver
32766236678Method and apparatus for converting between byte lengths and burdened burst lengths in a high speed cable modem
32776236265Radio station preamplifier circuit with interior and exterior preamplifiers
32786233442High frequency apparatus with reduced adjusting error
32796229858Phaselock threshold correction
32806219390Adaptive interference canceller using digital control techniques
32816219376Apparatuses and methods of suppressing a narrow-band interference with a compensator and adjustment loops
32826212245Communication apparatus
32836208849Receiver with suppressed intermodulation distortion and method for operating the same
32846208686System and method for dynamic amplitude adjustment of modulating signal in frequency modulated transceivers
32856201472Wireless communication system with increased dynamic range
32866192238Receiving method and receiver
32876192228Method and apparatus for improving the sensitivity of an RF receiver at certain frequencies
32886188880Apparatus and method for reducing low-frequency distortion in frequency converted signals
32896181201Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power
32906178321Telephone system comprising a base station and at least one handset, method implemented in such a system, subscriber station and base station suitable for such a system
32916178314Radio receiver with adaptive bandwidth controls at intermediate frequency and audio frequency sections
32926178211Digital processing radio receiver with adaptive bandwidth control
32936175279Amplifier with adjustable bias current
32946173166Detection and correction of multipath in an FM receiver
32956173003Dither noise source with notched frequency spectrum

2000

32966163686Signal selecting circuit
32976154641Wideband multiple channel frequency converter
32986151373Weak signal resolver
32996144936Method for substituting bad speech frames in a digital communication system
33006144711Spatio-temporal processing for communication
33016137831Method and apparatus for reducing receiver imposed distortion
33026134430Programmable dynamic range receiver with adjustable dynamic range analog to digital converter
33036134428Wrist mounted communicator
33046134282Method for lowpass filter calibration in a satellite receiver
33056131021Method for extending the RSSI range and radio transceiver operating in accordance with this method
33066122224Variable integration detection apparatus and method for multipath environments
33076112070High frequency receiving circuit for mobile communication apparatus
33086111452Wide dynamic range RF mixers using wide bandgap semiconductors
33096107960Reducing cross-interference in a combined GPS receiver and communication system
33106107878Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power
33116104919Intermodulation distortion reduction circuit utilizing variable attenuation
33126101228Receiver of wideband digital signal in the presence of a narrow band interfering signal
33136094463Phaselock threshold correction
33146088569Method and apparatus for receiving a plurality of signals having different frequency bandwidths
33156084904Method and apparatus for adjusting a power control setpoint threshold in a wireless communication system
33166078801Method and apparatus for optimized post detection filtering for simulcast receivers
33176078798Radio receiver with object station sensitivity
33186078797Method of controlling received signal level
33196078573Circuitry and method for demodulating code division multiple access (CDMA) signals
33206075811Receiving apparatus, receiving method, and terminal unit for use with radio system
33216072998Radio receiver for receiving a modulated digital signal
33226072845Simplified interference suppressor
33236072824Circuit arrangement for reducing intermodulation in a bandpass filter system
33246064870Interference detection circuit having amplitude frequency domain defined discrimination
33256061554Electromagnetic interference suppressing device
33266058148Digital processing radio receiver with adaptive bandwidth control
33276052572Mobile communication apparatus
33286052566Combined RSSI/SNR-driven intermodulation-mitigation scheme for CDMA terminals
33296047171Method and apparatus for combating adjacent channel interference using multiple IF filters
33306038259Asynchronous digital system, asynchronous data path circuit, asynchronous digital signal processing circuit and asynchronous digital signal processing method
33316035213Dual-mode cellular telephone system
33326035001Method and arrangement in a transmission system
33336035000Mitigating radio frequency interference in multi-carrier transmission systems
33346032048Method and apparatus for compensating for click noise in an FM receiver
33356032031Receiver for suppressing intermodulation
33366031884Carrier multipath estimation for weighted or modified tracking using weighted or modified correlations
33376031870Method of electronic control
33386029058Spectrum control for direct conversion radio frequency reception
33396028894SIR or SNR measurement apparatus
33406026310Method of reducing clicks in a data transmission system
33416026288Communications system with an apparatus for controlling overall power consumption based on received signal strength
33426026285Intermodulation distortion reduction circuit utilizing variable attenuation
33436023205Circuit arrangement for reducing passband ripple of a bandpass filter
33446021323Direct conversion receiver with reduced even order distortion
33456021156Apparatus and method for improving signal-to-jamming ratio in a spread spectrum receiver
33466018543Noisy channel avoidance method in a digital communication system
33476017247Arrangement of contact pairs for compensation of near-end crosstalk
33486014412Digital radio frequency interference canceller
33496011956Means for predicting fading state in radio communication system

1999

33506009316Receiver with an antenna switch, in which sensitivity and quality of reception is improved
33516009129Device and method for detection and reduction of intermodulation distortion
33526006071RF communications system operable in the presence of a repetitive interference source and related methods
33536005953Circuit arrangement for improving the signal-to-noise ratio
33546002727Interference signal cancellation system
33555999559Radio receiver for spread spectrum signal
33565999048Method and apparatus for spread spectrum pilot extraction for RF amplifiers
33575986505Circular stripline package incorporating a MMIC low noise amplifier
33585978690Reducing power consumption in low noise radiophone amplifiers
33595978665Receiver for extending the dynamic range of a received signal strength indicator
33605977835Method and circuit arrangement for reducing passband ripple of a bandpass filter
33615974101Spread spectrum modulation communication apparatus for narrow band interference elimination
33625966406Method and apparatus for noise burst detection in signal processors
33635963855Method for extending the RSSI range and radio transceiver operating in accordance with this method
33645953381Noise canceler utilizing orthogonal transform
33655940748Method and system for determining the integrity of a received signal
33665937017Complex signal limiting
33675933770Low distortion tuner-receiver with bridge-type diplexer
33685930696Broadband low-noise low-intermodulation receiver
33695930692Method and apparatus for increasing receiver immunity to interference
33705909645Receiver with dynamic attenuation control for adaptive intermodulation performance enhancement
33715907812Method and arrangement for spectrum sharing in a radio communication environment
33725907798Wireless telephone intermodulation performance enhancement techniques
33735901173Noise Estimator
33745900960Circuit arrangement for receiving light signals
33755890059Impulse noise blanking apparatus
33765889821Low noise front-end blanking and interleaving for satellite reception in pulsed interference environments
33775889488Mobile communication system
33785886547Circuit and method of controlling mixer linearity
33795867769Transmission power control apparatus in earth station for satellite communication
33805867539Methods and apparatus for reducing the effect of impulse noise on receivers
33815864754System and method for radio signal reconstruction using signal processor
33825864750Microcomputer-based carrier detection system for a cordless telephone by comparing an output signal which contains signals no higher in frequency with a frequency threshold value
33835862465Hysteresis-free anti-saturation circuit

1998

33845852567Iterative time-frequency domain transform method for filtering time-varying, nonstationary wide band signals in noise
33855850596Method and system for making unlicensed priority transmissions
33865844938Carrier based data operated squelch
33875842119Radio scanner and display system
33885839061Receiver quality measurement system for use in digital cordless telephones and like apparatus
33895838741Communication device and method for reducing effects of noise introduction by synchronizing data transfer to a received signal
33905838675Channelized receiver-front-end protection circuit which demultiplexes broadband signals into a plurality of different microwave signals in respective contiguous frequency channels, phase adjusts and multiplexes channels
33915828699Automatic differential absolute time delay equalizer
33925828660Multiple user communication system, device and method with overlapping uplink carrier spectra
33935826198Transmission of data over a radio frequency channel
33945812673Noise suppressing device
33955809400Intermodulation performance enhancement by dynamically controlling RF amplifier current
33965809399Method and circuit for filtering disturbances in a radio receiver
33975794134Receiving circuit for a portable telephone set
33985787129Decoder for a trellis encoded signal corrupted by NTSC co-channel interference and white noise
33995784466Co-channel interference detector
34005784465Stereo receiver
34015781851Heterodyne receiver
34025771293Switching arrangement for mobile radio receivers
34035765113Method and apparatus for avoiding desensitization of a radio frequency receiver
34045764193Diversity antenna for radio communications
34055761614Automated system and method for optimizing receive system performance
34065760747Energy diversity antenna
34075758296Mobile telephone receiver with adaptively inserted if filters and an if filter inserting method
34085758275Method and apparatus for scheduling adaptation for a notch filter
34095758273Receiver dynamic range extension method
34105754601Jitter circuit for reduced switching noise
34115745856Radio receiver for demodulating both wideband and narrowband modulated signals
34125745844Receiver control in a communication device by antenna de-tuning in strong signal conditions, and method therefor
34135745531Automatic gain control apparatus, communication system, and automatic gain control method
34145745075Multi-tone DGPS beacon transmitter and receiver
34155742900Voltage-variable biased inverting limiter for RFI suppression overview
34165740524Feed-forward RSSI assisted radio frequency amplifier power control
34175740207Complex signal limiting
34185732341Method and apparatus for increasing receiver immunity to interference
34195732329Radio transmitter/receiver
34205729576Interference canceling receiver
34215722063Method and apparatus for increasing receiver immunity to interference
34225722061Method and apparatus for increasing receiver immunity to interference
34235722060Radio receiver
34245717726Digital filter
34255717717Device and method for adaptive narrow band interference suppression in multiple-access communications
34265715282Method and apparatus for detecting interference in a receiver for use in a wireless communication system
34275710995Adaptive antenna receiver
34285710977Apparatus for measuring multipath propagation characteristics
34295710796Method and receiver for determining a phase error in a radio-frequency signal

1997

34305703595Method and apparatus for erratic doppler frequency shift compensation
34315697081Intermodulation distortion reduction circuit utilizing variable attenuation
34325696830Circuit arrangement for deriving a quality signal dependent on the quality of a received multiplex signal
34335696691Self-adjusting statistical noise analyzer with interference suppression
34345694396Method and apparatus for processing multicarrier signals
34355694395Method and apparatus for processing multicarrier signals
34365684830Noise removing device and data communication apparatus using the same
34375680469Method of insertion of noise and apparatus thereof
34385678221Apparatus and method for substantially eliminating noise in an audible output signal
34395678219Integrated electronic warfare antenna receiver
34405678218Circuit for removing random FM noise
34415678215Method for frequency locking onto a pilot reference signal affected by multipath fading
34425678214RF receiver using if amplifier operative during low level reception
34435678213Radio receiver for processing a multi-carrier signal with a large dynamic range
34445673324Radio receiver circuit for deriving at least one reception quality signal
34455669063Method of establishing line of sight propagation
34465668837Dual-mode radio receiver for receiving narrowband and wideband signals
34475661810Circuit arrangement for deriving signals for masking audio signals
34485661809Radio receiver having digital signal processing
34495659583Tone canceller for QAM demodulator
34505659572Phased array spread spectrum system and method
34515650908Surge arrestor for RF devices
34525640697Wideband multiple conversion receiver system with means for avoiding receiver spurs by combined switching of multiple local oscillator frequencies
34535640432Co-channel interference suppression system
34545633889Phased array spread spectrum system and method
34555633582Combined signal level meter and leakage detector
34565631963Circuit arrangement for the recognition of adjacent channel interference
34575631877Narrowband signal revealer
34585630210Method and apparatus for determining signal transmission quality levels of a transmitted signal
34595615411Method and apparatus for composite signal separation and FM demodulation
34605615233Method for channel estimation using individual adaptation
34615613230AM receiver search tuning with adaptive control
34625613218Method and apparatus in a radio communication system for mitigating noise and interference effects
34635610950Communication device with reduced sensitivity to in-channel interference
34645606735Slope equalizer using baseband detection
34655606619Circuit arrangement for deriving a signal indicating noise in a received stereo multiplex signal
34665604925Super low noise multicoupler
34675603114Distortionless receiving circuit
34685603087Interference detection technique
34695602484Delay-spread sensor and detection switching circuit using the same
34705592557Radio receiver with digital signal processing

1996

34715590411Method and apparatus for suppressing spurious third-order responses in transceivers
34725590156Multichannel wideband digital receiver making use of multiple wideband tuners having individually selectable gains to extend overall system dynamic range
34735584060Circuit arrangement for derivation of a signal dependent on the change direction of the incoming signal level
34745583891Noise attenuation circuit for amplitude modulated radio and method therefor
34755577270Receiver for eliminating a crosstalk of an adjacent broadcast
34765574979Periodic interference avoidance in a wireless radio frequency communication system
34775566365Active filter circuit and portable telephone apparatus
34785564099Radio signal reception with a PLL frequency controlled for an IF signal depending on coexistence of a spurious signal with the radio signal
34795564097Spread intermediate frequency radio receiver with adaptive spurious rejection
34805564095RFI suppression by cascading nonlinear devices
34815564094Radio receiver providing reduced intermodulation distortion
34825564092Differential feed-forward amplifier power control for a radio receiver system
34835555452Peak and valley signal measuring circuit using single digital-to-analog converter
34845555451High-quality reception indicating circuit for scanning AM recievers
34855551064Method and apparatus for communication unit frequency assignment
34865550924Reduction of background noise for speech enhancement
34875539781Combining diversity apparatus with squelch function
34885535444Diode loaded feed-forward radio frequency amplifier power control
34895533055Carrier to interference ratio measurement
34905526530Receiver with squelching responsive to input signal frequency
34915519890Method of selectively reducing spectral components in a wideband radio frequency signal
34925507037Apparatus and method for discriminating signal noise from saturated signals and from high amplitude signals
34935507025Method and apparatus for satellite receiver with variable predetection bandwidth
34945499396Transmission device for transmitting a wanted signal modulated on a carrier
34955499388Radio with frequency scanning and interference detection capability for remote controlled model aircraft
34965493720High-intercept bandlimited mixer
34975493717Adjacent channel interference detection & suppression circuit
34985493210Combined signal level meter and leakage detector
34995490166Data muting method and apparatus using delay circuits for communication systems
35005483694Radio receiver with an intermodulation detector
35015483691Zero intermediate frequency receiver having an automatic gain control circuit

1995

35025479452Method and apparatus for aligning a digital receiver
35035477532Radio transceiver
35045475869Radio base station capable of distinguishing between interference due to collisions of outgoing call signals and an external interference noise
35055471663Expanded microcomputer system for controlling radio frequency interference
35065469465Method and apparatus for mitigating distortion effects in the determination of signal usability
35075465412Apparatus and method for determining a point in time for detecting a sampled signal in a receiver
35085465410Method and apparatus for automatic frequency and bandwidth control
35095465408AGC circuit for operating in accordance with the nature of the interference signal and method for controlling this circuit
35105463403Automatic adjustment of receiver apparatus based on channel-bit-error-rate-affected parameter measurement
35115459750Apparatus and method for discriminating and suppressing noise within an incoming signal
35125457817Tuner of a double superheterodyne receiver
35135454118Method and apparatus for prevention of squelch chatter
35145450392Reduction of interchannel harmonic distortions in an analog and digital signal multiplex
35155448754Radio frequency sharing personal communications system
35165444738Signal processing circuit for selective waveform equalization without signal collision and omission
35175438690Tuner circuit substrate having a jack attachment plate electrically connected with an earth pattern
35185436934Differential high frequency level detector and data restoration circuit including squelch offset and slicing offset
35195430894Radio receiver noise suppression system
35205428832Noise suppression apparatus
35215428824Radio transceiver capable of avoiding intermodulation distortion
35225424674Wide dynamic range detection circuit
35235422908Phased array spread spectrum system and method
35245410750Interference suppressor for a radio receiver
35255408685Multipath detector using phase comparison of stereo pilot signal
35265406588Method and apparatus for mitigating distortion effects in the determination of signal usability
35275396657Selectable filter for reducing Gaussian noise, co-channel and adjacent channel interference in a radio-telephone receiver
35285396656Method for determining desired components of quadrature modulated signals
35295390345Method for preventing desensitization and radio interference of radio receivers
35305383164Adaptive system for broadband multisignal discrimination in a channel with reverberation
35315379449Automotive radio employing multipath correction strategy based on vehicle speed
35325379445Automatic gain control for reducing effects of jamming

1994

35335369799Radio pager with variable gain setting controlled according to presence and absence of sync codes
35345369793RF receiver adapted to process received RF pulses and reject RF continuous wave signals
35355369791Apparatus and method for discriminating and suppressing noise within an incoming signal
35365361401Channel hopping radio communication system and method
35375361294Method and apparatus for noise quieting during resynchronization of a digital communication system
35385359607Adaptive intermodulation control
35395355530Receiver using receiving condition signal for correcting influence of the reception band width
35405349606Apparatus for multipath DSSS communications
35415341398Method for repeaters to adaptively digitally code received analog information
35425339456Method and circuit for non-cooperative interference suppression of radio frequency signals
35435339455Radio receiver adjacent-channel interference suppression circuit
35445339454Automatic gain control for RF amplifier
35455333153Signal quality detection method and apparatus for optimum audio muting
35465327457Operation indicative background noise in a digital receiver
35475323457Circuit for suppressing white noise in received voice
35485323421Method and apparatus of estimating channel quality in a receiver
35495323337Signal detector employing mean energy and variance of energy content comparison for noise detection
35505321847Apparatus and method for detecting intermodulation distortion in a radio frequency receiver
35515319573Method and apparatus for noise burst detection in a signal processor
35525317522Method and apparatus for noise burst detection in a signal processor
35535313497Method of detecting a disturbing signal for a digital data demodulator, and apparatus implementing such a method
35545311087Noise removing circuit
35555307517Adaptive notch filter for FM interference cancellation
35565307515Adjacent channel controller for radio receiver
35575307379Automatic noise characterization for optimally enabling a receiver
35585303415Pulse noise detecting circuit of AM receiver
35595303413AM radio receiver with switchable IF bandwidth
35605303411Receiver sensitivity threshold extended with the combination of an unmodulated signal with the received signal
35615303408Squelch detector
35625303406Noise squelch circuit with adaptive noise shaping
35635303404Adjustable bandwidth in a radiotelephone
35645299233Apparatus and method for attenuating a received signal in response to presence of noise
35655295151Transition detection circuit for PSK signals using the SAW Chirp-Z algorithm (U)
35665287556Interference reduction using an adaptive receiver filter, signal strength, and BER sensing
35675287549Commuication device and method using transceiver squelch control
35685287115Automatic adjustment of receiver apparatus based on channel-bit-error-rate-affected parameter measurement
35695278870Reducing interference in r.f. signals

1993

35705272721Spread spectrum receiving device
35715271038Distortion suppression using thresholding techniques
35725265270Method and apparatus for providing power conservation in a communication system
35735263091Intelligent automatic threshold circuit
35745261004Noise blanking circuit for AM stero
35755260974Adaptive carrier detection
35765255319Noise suppressing circuit in an FM tuner
35775255094Muting circuit for eliminating transient signals generated due to power supply turn-on and turn-off
35785249233Multipath noise minimizer for radio receiver
35795241698Radio receiver operational checking method and system including reactive coupling
35805241687Phase controlling phase of local subcarrier signal to correspond to transmitted pilot signal
35815239683Cellular telephone system capable of reducing IM distortion at portable telephone
35825239675Reduced noise interference during handoff
35835230077Method of reducing the power requirements in a mobile radio receiver
35845226088Apparatus and methods for active noise suppression in stereo multiplex signals
35855226057Receiver and adaptive digital notch filter
35865222255Intermodulation controller for radio receiver
35875222247Method for maximizing channel selection in a communication system
35885222106Interference detection and reduction
35895220687Radio receiver having switch for switching between a wide filter and a narrow filter
35905216696Programmable noise bandwidth reduction by means of digital averaging
35915214687Method to determine transmission quality
35925212829Circuit arrangement for suppression of interference signals
35935212828Receiver apparatus
35945206884Transform domain quantization technique for adaptive predictive coding
35955204975Digitally-corrected temperature-compensated crystal oscillator having a correction-suspend control for communications service
35965204973Receiver capable of quickly suppressing defective effect of multipath reflection interference
35975204904Apparatus for receiving and processing frequency modulated electromagnetic signals
35985201062Noise reducing circuit
35995199048Noise canceler for keying pulse in CATV converter
36005191598System for reducing the affects of signal fading on received signals

1992

36015170489Noise blanker with continuous wave interference compensation
36025170392Intermodulation compensation in a receiver
36035168508Spread spectrum receiver
36045161185Method and apparatus for reducing noise in a digital voltage signal
36055159711Interference filter with high degree of selectivity for TVRO receiver system
36065157289FET adaptive limiter with high current FET detector
36075150384Carrier recovery method and apparatus having an adjustable response time determined by carrier signal parameters
36085148413Narrow band disturbing wave detecting device
36095144643Visual aid for VLF MSK signals
36105144296Adaptive battery saving controller with signal quality detecting means
36115144260Method and apparatus for perturbation cancellation of a phase locked oscillator
36125127020Bias control device
36135126848Circuit for preventing the interference of TV channel 6 broadcast
36145125105High-quality reception indicating circuit for FM receivers
36155103431Apparatus for detecting sonar signals embedded in noise
36165097221Adaptive filter technique for suppression of wideband or offset narrowband radio frequency interference
36175095534Radio receiver having improved signal-to-noise ratio for receiving voice and data signals

1991

36185073976Signal-to-noise ratio indicating circuit for FM receivers
36195058205Transceiver squelch control method and apparatus
36205052027Programmable noise bandwidth reduction by means of digital averaging
36215050237Radio receiver having automatic bandwidth control during tuning
36225048015Interference source identification
36235046129Reducing phase error in received FM multiplex signal
36245034963Apparatus for visually aiding MSK detection and interference recognition and classification
36255034002Auto-non-reusable syringe-needle system for injections for a unique use
36265029238Noise suppression circuit
36275020141Adaptive identifying signal detector
36285014343Squelch-tail eliminator
36295012490Varying bandwidth digital signal detector
36305008939AM noise reducing
36315003556Squelch circuit
36325001776Communication system with adaptive transceivers to control intermodulation distortion
36334998289Signal integrity control technique for an RF communication system
36344996717Radio receiver noise squelching and operational indicating alarm
36354991227Squelch circuit with variable squelch tail and variable hysteresis
36364989262Demodulator with multiple interference cancellers responsive to correlations between undesired signals and error signals

1990

36374972510Method and apparatus for squelching dependent on detected bond rate to reduce unwanted audible noise on a mixed voice data channel
36384965854Noise blanker with continuous wave interference compensation
36394955073Automatic search tuner
36404932039Pulse interference canceler of high power out-of-band pulse interference signals
36414910799Noise reduction apparatus
36424907293Adjacent channel interference suppressing system for FM receiver
36434903334System for preventing crosstalk in a multi-input electronic device
36444901350Closed-loop audio attenuator
36454899389Pulsating noise removal device
36464893349FM communication system with improved response to rayleigh-faded received signals
36474893347FM communication system with improved response to Rayleigh-faded companded signals
36484893082Noise suppression in magnetic resonance imaging

1989

36494882768FM communication device with avoidance of interference by substantially same channel FM signal
36504881274FM multipath noise reduction circuit
36514879758Communication receiver system having a decoder operating at variable frequencies
36524878252Modified multi-path detector
36534856084Noise blanking system for an AM radio receiver
36544856079Adaptive and programmable blanker
36554853972Radio transceiver including an antenna switching circuit capable of changing reception sensitivity
36564817198Radio receiver
36574815141Apparatus and methods for removing unwanted components from a communications signal
36584809337Audio noise gate
36594806906Data terminal

1988

36604792992Radio receiver
36614792991FM receiver having improved audio quality in response to Rayleigh faded received signals
36624777659Detector for indicating reception disturbances during ultrashort wave broadcast reception
36634761829Adaptive signal strength and/or ambient noise driven audio shaping system
36644761828Radio receiver
36654760540Adaptive interference cancelling system and method
36664759079Random noise detecting system and method
36674742570Multipath noise detecting circuit
36684731874Radio receiver having second receiver part for avoiding interference signals
36694727504Interference canceller and signal quantizer
36704726073Receiver including a multipath transmission detector

1987

36714710972SHF receiver
36724710723Receiver having a modulation amplifier for enhancing reception of a desired signal in the presence of interference
36734694500Control voltage generating circuit for activating a noise reduction circuit in an FM stereo receiver
36744690780Insulating material and use thereof in insulators
36754654884Radio receiver with switching circuit for elimination of intermodulation interference
36764653116Detector for indicating frequency deviation peaks
36774641368Radio frequency receiver
36784636972Method and apparatus for digital filtering
36794635298Interference wave detection circuit for use in radio receiver
36804635217Noise threshold estimator for multichannel signal processing

1986

36814631735Coded modulation system with feedback
36824622520FM demodulator with impulse noise elimination circuit
36834622250Insulating material and use thereof in insulators
36844602169Signal comparing circuit
36854584580Apparatus for rejecting jamming waves

1985

36864561114Cochannel interference measurement system
36874549312Radio receiver with automatic interference and distortion compensation
36884545072Method and apparatus for eliminating interference due to spurious signals generated in synthesized receivers
36894544899Controlled power line filters for suppressing interference
36904539566Automatic interference canceling apparatus
36914535460Method and apparatus to filter pulsed RF signals
36924535286Radio frequency receiver
36934525868Interference wave detection circuit for use in radio receiver
36944501004Device for eliminating FM or like interference from a digital microwave signal
36954498195Radio interference detection device for use in a multi-channel access angle-modulation radio system
36964491957FM-Receiver having multipath reception detector and noise pulse suppression

1984

36974490838Muting circuit for AM stereophonic receiver
36984480335Noise removing apparatus in an FM receiver
36994479252Device for reduction of the false alarm ratio and monitor receiver comprising such a device of this nature
37004479250Dual audio capture limiter squelch circuit
37014475215Pulse interference cancelling system for spread spectrum signals utilizing active coherent detection
37024466133Radio receiver apparatus including multipath fade compensating arrangement
37034457007Multipath interference reduction system
37044453137Signal processor for plural frequency detection and tracking over predetermined range of frequencies
37054434508Radio receiver with audio selectivity

1983

37064416024Distortion reducing circuit in FM receiver
37074414534Radio frequency detection circuitry having noise discrimination capability
37084408098Receiver with field-strength dependent noise reduction control
37094397040UHF Receiver with decreased distortion due to multipath reception
37104395779Jamming wave rejecting device
37114385244Extraneous signal separating device
37124383334Intermodulation cancelling mixer
37134380816Apparatus for recycling complete cycles of a stored periodic signal
37144380082Digital signal receiver with FM interference elimination capability

1982

37154363139Radio frequency receiver
37164356568Receptive condition automatic selection device for FM receiver
37174356567Radio receiver with bandwidth switching
37184355419Radio signal receiving system having means for selectively combining signals from a plurality of receiving sections
37194355407Device for disconnecting the receiver in case of a small signal-to-noise ratio for a digital-modulated radio system
37204353091Circuit for detecting faults in horizontal sync pulse signals
37214328589System for indicating multipath interference in radio receiver
37224320523Digital signal reception system

1981

37234306112Stereophonic receiver noise eliminating device
37244271535Noise eliminating system
37254268914Receiving apparatus for messages with in-band signals
37264267605Interference eliminator in communication receiver
37274266202Receiver protector having means for suppressing internally generated noise signal frequencies
37284258329Noise suppression system
37294254505Normalization method and apparatus used when quantitatively measuring the reception quality of a received frequency-modulated ultrashort-wave signal
37304249261Superheterodyne radio receiver with nearby-station interference detection

1980

37314236254Radio receiver blanker inhibit circuit
37324234883Noise adaptive correlator
37334228546AM Radio receiver
37344219888Surface acoustic signal defader
37354217554Circuits for reducing intermodulation noise
37364207529Radio receiver
37374207432Noise eliminating system
37384204169Muting circuit in an electronic tuning type receiver
37394204164Noise detector circuit
37404198602Limiter circuit for limiting pulsive noises
37414191851FM Noise suppressor
37424186349Adaptive narrow band noise estimator/suppressor radio receiver
37434185242Signal-to-noise ratio measurement of intermittent signals

1979

37444158814Automatic overload protection system
37454157455FM stereophonic receiver having muting and mode changing
37464153878Sectored antenna communications receiver with squelch circuit
37474143325Constant amplitude interference squelch system

1978

37484130805Noise clearing system
37494126828Intermodulation antiinterference device for superheterodyne receiver
37504107613Wireless microphone with FM receiver muting system responsive to excessive undesired AM level or low AGC control level
37514101839Analog-digital ratio detector
37524088955Interference rejection technique
37534087750Receiver for detecting and analyzing amplitude or angle modulated waves in the presence of interference
37544066845Pulsive noise removing apparatus for an FM receiver

1977

37554042883Automatic noise limiter
37564038604Signal to noise ratio indicating circuit
37574028627Sample and hold valley detector
37584025856Antenna apparatus
37594020421Muting circuit
37604006419Pulse interference blanking circuit for radio receivers

1976

37613999060Device for receiver for optical signals
37623996520Interference rejecting logarithmic receiver
37633995219Interference suppression circuit for automobile radio receivers
37643982186FM receiver with detector for multi-path reception
37653979679FM demodulator having squelch circuit using bucket brigade delay line
37663961274Noise riding threshold
37673958133Digital noise discriminator
37683953802Adjacent channel rejector
37693949301Digital click removal and squelch control circuit for an FM receiver
37703944932Receiver filtering out both systematic pulse noise and random noise
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017