СПИСОК патентов США - подгруппа МПК16 H04L27/01


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2017

19608845Transmit apparatus and method
29602318Closed-loop high-speed channel equalizer adaptation
39596104Blind equalization tap coefficient adaptation in optical systems
49590734Method for data processing in an optical network component and optical network component
59578643Backhaul radio with antenna array and multiple RF carrier frequencies
69577786Pilot symbol generation for highly-spectrally-efficient communications
79577700Radio with asymmetrical directional antenna sub-arrays
89565041Adaptive equalization using correlation of edge samples with data patterns
99565037Adaptive serdes receiver
109559876Adaptive equalization processing circuit and adaptive equalization processing method
119553746System and method for multi-threaded OFDM channel equalizer with coprocessor
129553745High-speed signaling systems with adaptable pre-emphasis and equalization
139548840Modulation and equalization in an orthonormal time-frequency shifting communications system
149544172Signal processing apparatus and method
159544071Margin test methods and circuits

2016

169515785System and method for detecting loss of signal
179509438Determining a high data rate for backchannel communications for initialization of high-speed networks
189491016Equalization processing apparatus, wireless communication terminal, and equalization processing method
199485120Method and apparatus for signal detection and baseline wander cancellation
209467315Circuit and method for performing adaptation on all receiver branches
219467312Speed improvement for a decision feedback equalizer
229467251Method and system for forward error correction decoding with parity check for use in low complexity highly-spectrally efficient communications
239461851Circuits for and methods of robust adaptation of a continuous time linear equalizer circuit
249450792OFDM pre-equalizing
259432230Passive equalizer capable of use in a receiver
269432229Backchannel communications for initialization of high-speed networks
279432223Method of widely linear turbo-equalization in a multi-user context and for a multi-channel multi-antenna receiver
289426004Method for reducing jitter in receivers
299425996Iterative method for synthesizing digital filters for shaping a signal
309425900Chromatic dispersion processing apparatus and method
319419824Digital transmitter
329413574Systems and methods for DC offset correction
339413449Diversity reception apparatus, diversity reception method, reception program, and recording medium
349408215Full duplex backhaul radio with transmit beamforming
359407480Electric and electronic apparatus, circuit, and communication system
369397872System and method of link optimization
379391715High-speed optical communications system
389379920Decision feedback equalization with precursor inter-symbol interference reduction
399369213Demultiplexing processing for a receiver
409350411Full duplex backhaul radio with MIMO antenna array
419325548Electronic circuit and method for transmitting an ASK signal
429325546Data rate and PVT adaptation with programmable bias control in a SerDes receiver
439325539Requalization effort-balancing of transmit finite impulse response and receive linear equalizer or receive decision feedback equalizer structures in high-speed serial interconnects
449319250Turbo decoding techniques
459319186Receiver eye-monitor circuit and method
469313060System and method for multi-threaded OFDM channel equalizer with coprocessor
479312895Two stage radio frequency interference cancellation system and method
489307699Transition chamber from auger to elevator in combine harvester
499306780Optical transmission for binary and duobinary modulation formats
509306690Transmitter
519300374Communications terminal, apparatus, and method for detecting rank indication
529294318Symbol detection for alleviating inter-symbol interference
539288084Soft decision assisted equalizer adaptation
549288008Systems and methods for equalizing retransmission delays for data retransmission over bonded modems
559282560Full duplex backhaul radio with transmit beamforming and SC-FDE modulation
569281975Reducing pass-band ripple in radio-frequency (RF) filters used for pass-band filtering in a wireless communications system
579281974Equalizer circuitry having digitally controlled impedances
589277556Permitting a plurality of transmit antennas to transmit the same data to improve the reception quality through transmit diversity
599276785Waveform equalization apparatus
609270416Multi-mode transmitter for highly-spectrally-efficient communications
619264276Adaptations for partial response summation node embedded FPGA transceiver
629264275Method and apparatus for wide bandwidth mixed-mode wireless communications
639264179Decision feedback equalizer for highly spectrally efficient communications
649264123Antenna activity detection in multi-antenna communication
659252999Method and apparatus for performing channel estimation and equalization based on a signal field of a received packet
669252987Transmission apparatus and communication system
679252822Adaptive non-linear model for highly-spectrally-efficient communications
689241339Methods and apparatus for emphasizing frequency blocks containing priority data
699237046Receiver circuit
709231803Data receiver, data communication system, and data communication method
719231802Influence clock data recovery settling point by applying decision feedback equalization to a crossing sample
729231794Method and apparatus for multiple antenna communications, computer program product therefor
739231628Low-complexity, highly-spectrally-efficient communications

2015

749219628Equalizer and operating method thereof
759215115Apparatus and method for improved integration circuitry in decision feedback equalization
769215112Decision feedback equalizer
779215103Partial response receiver and related method
789210017Reception device, reception method, and program
799210012Frequency-domain turbo equalization, including multi-mode adaptive linear equalization, adaptive decision-directed channel estimation, adaptive noise variance estimation, and dynamic iteration control
809209843Fine phase estimation for highly spectrally efficient communications
819203664Measurement of intermodulation products of digital signals
829203656Receiver and method of estimating frequency response of transmission path by receiver
839197460Slicer trim methodolgy and device
849197458Edge equalization via adjustment of unroll threshold for crossing slicer
859197455Two stage adaptive equalizer for a batch receiver
869191253Adaptive equalizer
879191246Combined turbo decoding and turbo equalization techniques
889184975Methods and apparatus for wideband imbalance compensation
899184957High speed receivers circuits and methods
909184712Low power high-speed digital receiver
919178738Channel estimation in OFDM receiver equipment
929178558Backhaul radio with horizontally or vertically arranged receive antenna arrays
939171161Trusted device having virtualized registers
949166847Signal receiving apparatus and two-stage adaptive equalization method thereof
959166846Eye diagram construction display apparatus
969166841Receiving apparatus and receiving method
979166833Feed forward equalization for highly-spectrally-efficient communications
989166774Decoupling bang-bang CDR and DFE
999160438Receiving device and method
1009160383Method for estimating covariance matrices and use thereof
1019154347Adaptive equalizer
1029154346Method for reducing equalizer complexity in communication links
1039154337Non-linear time domain channel estimation in OFDM systems
1049148322High-speed signaling systems with adaptable pre-emphasis and equalization
1059148315Method and apparatus for reducing jitter in overlaid traces of an eye diagram of a recovered signal generated based on a received data signal
1069148162Digital down converter with equalization
1079143368Systems and methods for reducing quantization errors using adjustable equalizer granularities
1089137064Equalizer device, receiver device and equalization method
1099137063High-speed signaling systems with adaptable pre-emphasis and equalization
1109130638Modulation and equalization in an orthonormal time-frequency shifting communications system
1119130627Multi-mode receiver for highly-spectrally-efficient communications
1129130626Frequency dependent I/Q impairment compensation
1139124452Apparatus and method for iterative interference cancellation in a wireless communication network
1149118512Combined imbalance compensation and equalization of a signal
1159118511Reflective analog finite impulse response filter
1169112756System and method for coherent wideband channel generation using multiple received narrowband channels
1179106503Method and apparatus for recovering time-domain hybrid modulated QAM signals
1189106454Apparatus and method for selective single-carrier equalization
1199106292Coarse phase estimation for highly-spectrally-efficient communications
1209100071Timing pilot generation for highly-spectrally-efficient communications
1219094249Apparatus having programmable taps
1229094240Passive equalizer and high-speed digital signal transmission system using the same
1239094239Apparatus and method for polarity tap control
1249094238High-speed signaling systems with adaptable pre-emphasis and equalization
1259094117Channel diagnostics based on equalizer coefficients
1269083594Mechanism for performing equalization without prior knowledge of modulation type or constellation order
1279083570Level equalization to compensate for implementation impairments in optical communication systems with high-order modulations
1289077568Receiving apparatus and method for accelerating equalization convergence
1299071305Timing synchronization for reception of highly-spectrally-efficient communications
1309071288Inductive-coupling system and method with compensation to prevent interference
1319071286Modulation and equalization in an orthonormal time-frequency shifting communications system
1329071285Modulation and equalization in an orthonormal time-frequency shifting communications system
1339065690Method and apparatus for performing channel shortening equalization with frequency notch mitigation
1349059874Switched continuous time linear equalizer with integrated sampler
1359054906Adaptive equalization using correlation of edge samples with data patterns
1369054903Signal equalization with compensation for scrambling code correlation
1379054902Apparatus and system for switching equalization
1389031172Equalizing method and device for a non-linear transmission channel
1399020021Precoding loss reduction
1408995520Analog continuous-time phase equalizer for data transmission
1418976853Signal reception using non-linearity-compensated, partial response feedback
1428971396Windowed-based decision feedback equalizer and decision feedback sequence estimator
1438953665Pattern-based loss of signal detector
1448938015Orthogonal frequency division multiplex (OFDM) demodulator with improved cyclic ambiguity resolution

2014

1458923379Transmission apparatus and communication system
1468913653Efficient equalizer coefficient computation
1478878945Phasor-based pulse detection
1488862951Decision feedback equalizer
1498861582Decision feedback equalizer, receiving circuit, and decision feedback equalization processing method
1508848826Method for adaptively driving data transmission and communication device using the same
1518837626Conditional adaptation of linear filters in a system having nonlinearity
1528824539System and method for OFDM reception in the presence of dooppler effect based on time domain windowing
1538817865Linear distortion and interference estimation using decision feedback equalizer coefficients
1548804808Dynamic equalization systems and methods for use with a receiver for a multipath channel
1558779847Systems and methods for finite impulse response adaptation for gain and phase control
1568761235Digital transmitter
1578750347Code channel detecting method and related device and communication system
1588743987Symbol detection for alleviating inter-symbol interference
1598743942Demodulation using serial localization with indecision
1608737460Equalizer and detector arrangement employing joint entropy-based calibration
1618724689Narrowband ingress estimation and characterization using equalizer taps
1628711922Partial response decision feedback equalizer with distributed control
1638681837Digital Transmitter
1648675723Apparatus and methods for processing a vestigial sideband signal using a sectionalizing adaptive equalizer
1658654898Digital equalizer for high-speed serial communications

2013

1668611410Variable modulus mechanism for performing equalization without a priori knowledge of modulation type or constellation order
1678594172Adaptation of baseline wander correction loop gain settings
1688593525Phasor-based pulse detection
1698588317Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems
1708582637Low-complexity, highly-spectrally-efficient communications
1718582634OFDM signal demodulation method and device thereof
1728548108Adaptive phase equalizer
1738537932Wireless communication device, equalizer, computer-readable medium storing program for obtaining weight coefficients in the equalizer, and process for obtaining weight coefficients in the equalizer
1748537884Single path detection and equalizer optimization
1758532167Signal processing device having feed forward equalizing units with different tap numbers utilized in communication system
1768514924Joint demodulation and interference suppression using serial localization with indecision
1778498369Adaptive digital post distortion reduction
1788477860OFDM signal reception in the presence of interference
1798472510Receiver and method for equalizing received signal
1808457254Equalization and residual self-interference suppression using serial localization with indecision
1818457222Method for estimating channel statistics in an OFDM receiver
1828457191Adaptive equalizer and related methods
1838451382Systems and methods for cable equalization
1848442106Floating-tap decision feedback equalizer for communication channels with severe reflection
1858396108Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system
1868391348Apparatus and method for detecting interference wave
1878379709Channel estimation and equalization for hard-limited signals
1888369396Communication signal receiver and signal processing method thereof
1898351494Channel equalization and carrier recovery method and receiver in high speed wireless communication system

2012

1908340171Method and apparatus for improving communication system performance in Tomlinson Harashima Precoding (THP) mode with a zero edge filter
1918331499Receiver
1928326905Transversal filter circuit with a plurality of delay units, multiplexers, and full adders suited for a smaller decision feedback equalizer
1938315300Enhancement of transition region equalization in a decision feedback equalizer
1948306102Demodulation using serial localization with indecision
1958295341Cognitive radio device
1968290033Systems and methods for performing combined equalization in communication systems
1978279916Equalization using serial localization with indecision
1988275027Multi-mode transmitter
1998249139Apparatus for data receiving and method for adjusting the same in real time
2008238467Digital transmitter
2018218614Electronic equalization and electronic depolarization method, receiving end equipment, and communication system
2028189652Method and apparatus for detecting high-mobility state of mobile terminal and related device
2038135058Adaptive known signal canceller
2048111740Time-domain equalizer
2058107523Segmented equalizer
2068102910Re-adaption of equalizer parameter to center a sample point in a baud-rate clock and data recovery receiver

2011

2078085841Sampled current-integrating decision feedback equalizer and method
2088081677Receiver-based adaptive equalizer with pre-cursor compensation
2098077765Mixed minimum mean square error/zero-forcing FIR filter adaptation
2108019009Equalizer circuit
2117894516Method for equalizing a digital signal and equalizer
2127889786Operating frequency reduction for transversal FIR filter

2010

2137822112Apparatus for and method of controlling a feedforward filter of an equalizer

2008

2147406125Method for initialization of per tone frequency domain equalizer (FEQ) through noise reduction for multi-tone based modems

2007

2157308050Detection and mitigation of temporary impairments in a communications channel
2167184476Adaptive equalizer for controlling operation thereof by using sign and absolute value of output signal thereof

2006

2177079575Equalization for crosspoint switches
2187017104Method and system for decoding block codes by calculating a path metric according to a decision feedback sequence estimation algorithm

2005

2196947497Digital signal receiver and method for receiving digital signal
2206850562Digital equalizing method and radio communication receiver implementing said method

2004

2216829298Signal processing circuit for a digital signal receiving system
2226807229Decision feedback equalizer and method for updating tap coefficients thereof
2236680985Adaptive quadrature amplitude modulation decoding system
2246678317Adaptive equalizer device and method for controlling adaptive equalizer

2003

2256573948Equalizing intermediate-frequency signals before demodulating them in a digital television receiver

2002

2266456654Frame alignment and time domain equalization for communications systems using multicarrier modulation
2276438161Method of designing an equalizer
2286418164Adaptive equalizer with enhanced error quantization
2296400781Multiband detector

2000

2306137831Method and apparatus for reducing receiver imposed distortion
2316028895Distortion corrector for two data flows

1999

2325978415Automatic amplitude equalizer

1998

2335796814Digital transmission system comprising a receiver with cascaded equalizers
2345710794Initial phase-loading circuit for a fractionally-spaced linear equalizer

1995

2355448596All-digital method and apparatus for demodulating an analog signal
2365442582Transversal filter allrate equalizer for use at intermediate frequency

1994

2375361400Apparatus and method for removing distortion in a received signal
2385333149Process and a circuit for adapting coefficients in a modem equalizer
2395285474Method for equalizing a multicarrier signal in a multicarrier communication system

1992

2405153527Demodulation apparatus having reception state evaluation
2415144644Soft trellis decoding
2425113142QAM demodulator having automatic adaptive equalizer
2435090027Coherent PSK demodulator with adaptive line enhancer
2445088110Baseband-controlled passband equalizing arrangement

1991

2455077755Digital signal processing system in modem
2465067137Adjacent channel interference canceller with means for minimizing intersymbol interference
2475007068Doppler-corrected differential detection system

1990

2484908838Correlation detecting circuit operable in a low frequency

1989

2494847880Multipoint modem system having fast synchronization
2504847864Phase jitter compensation arrangement using an adaptive IIR filter
2514835483QAM demodulator with rapid resynchronization function
25248034388-phase phase-shift keying demodulator
2534800573Equalization arrangement
2544800572Adapter frequency range equalizer for digital radio relay systems

1988

2554759037Passband equalization of modulated quadrature-related carrier signals
2564757516Transversal equalizer
2574745625Transition detector
2584731800Raised-cosine filtering for modems

1987

2594709374Technique for decision-directed equalizer train/retrain
2604703282Digital demodulation system
2614679208Equalization system tuning device which updates equalizer coefficients based on selected decision regions
2624674103Method and arrangement for detecting the presence of a training signal in a modem receiver
2634672631Radio receiver with variable phase shift correction
2644656644Digital radio receiving apparatus
2654639935Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission
2664638495Automatic adaptive equalizer

1986

2674631488QAM demodulator with distortion compensation
2684627072Equalizer modifying a phase of a gain control signal to carry out equalization
2694615038Equalization of modulated data signals utilizing tentative and final decisions and replication of non-linear channel distortion
2704594725Combined adaptive equalization and demodulation circuit
2714567599Automatic adaptive equalizer having improved reset function
2724564952Compensation of filter symbol interference by adaptive estimation of received symbol sequences

1985

2734547888Recursive adaptive equalizer for SMSK data links

1984

2744489416Equalization system for modems in a polled arrangement
2754483009Tranversal equalizer
2764481646Method and apparatus for receiving a data signal modulated by means of a double sideband-quadrature carrier modulation technique
2774477913Automatic equalizer apparatus
2784475211Digitally controlled transversal equalizer
2794456893Equalizer having a substantially constant gain at a preselected frequency
2804453256Adaptive equalizer system for quadrature amplitude modulation

1983

2814422175Constrained adaptive equalizer
2824416015Timing acquisition in voiceband data sets
2834412341Interference cancellation method and apparatus
2844384355Control of coefficient drift for fractionally spaced equalizers
2854376308Control of coefficient drift for fractionally spaced equalizers

1982

2864344177Equalizer comprised of equalizer sections which include internal accumulation circuits
2874343759Equalizer section

1981

2884285061Equalizer sample loading in voiceband data sets
2894253184Phase-jitter compensation using periodic harmonically related components
2904247940Equalizer for complex data signals
2914245345Timing acquisition in voiceband data sets

1980

2924237554Coefficient tap leakage for fractionally-spaced equalizers
2934213095Feedforward nonlinear equalization of modulated data signals
2944181888Feedback nonlinear equalization of modulated data signals

1979

2954170758Process and device for the nonlinear equalization of digital signals
2964151491Technique for supplying reference for an adaptive equalizer when multiple phase signals are transmitted
2974140974Distortion corrector for the adaptive base band correction of a phase-modulated signal

1978

2984097807Automatic equalizing method and system
2994078159Modified duobinary repeatered span line

1977

3004053837Quadriphase shift keyed adaptive equalizer
3014035725Automatic passband equalizer for data transmission systems
3024028626Digital data receiver with automatic timing recovery and control
3034025719Phase-directed decision feedback equalizer

1976

3043974449Joint decision feedback equalization and carrier recovery adaptation in data transmission systems
3053947768Carrier-modulation data transmission equalizers
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017