ClassID:

225771

H04L2025/03522 - CPC Classification

Classification description:

Baseband systems; Details ; arrangements for supplying electrical power along data transmission lines; Shaping networks in transmitter or receiver, e.g. adaptive shaping networks; Arrangements for removing intersymbol interference characterised by equaliser structure; Fixed structures Frequency domain

Recent Application in this class:
#1
20260100869
2026-04-09

Passive Equalizer with Front-End Level-Shifter (Fels)

#2
20250358154
2025-11-20

EQUALIZATION SIGNAL PROCESSING CIRCUIT, RECEIVER, AND EQUALIZATION SIGNAL PROCESSING METHOD

#3
20250358153
2025-11-20

FIFTH GENERATION (5G) NEW RADIO CHANNEL EQUALIZATION

#4
20250184186
2025-06-05

RADIO RECEIVER WITH MULTI-STAGE EQUALIZATION

#5
20240195581
2024-06-13

DATA BLOCK TRANSMISSIONS

#6
20220052820
2022-02-17

Data block transmissions

#7
20210320825
2021-10-14

Fifth generation (5G) new radio channel equalization

#8
20210273732
2021-09-02

Phase variation compensation device, phase variation compensation method and communication device

#9
20200007361
2020-01-02

Discontinuous fast-convolution based filter processing

#10
20200007244
2020-01-02

Method and apparatus for antenna array calibration using on-board receiver

#11
20190182081
2019-06-13

Multi-stage sampler with increased gain

#12
20180234273
2018-08-16

Training sequences with enhanced IQ imbalance tolerances for training-aided frequency domain equalization

#13
20180115442
2018-04-26

Multi-stage sampler with increased gain

#14
20180054331
2018-02-22

Frequency characteristic adjusting circuit, optical transmitter, and optical transceiver

#15
20170310505
2017-10-26

Filter for linear modulation based communication systems

#16
20160261438
2016-09-08

Receiver unit and receiving method

#17
20160087830
2016-03-24

Multi-mode orthogonal frequency division multiplexing transmitter for highly-spectrally-efficient communications

#18
20150256293
2015-09-10

Reduced state sequence estimation with soft decision outputs

#19
20150117507
2015-04-30

Blind frequency domain interference aware chip-level equalization

#20
20140321525
2014-10-30

Highly-spectrally-efficient reception using orthogonal frequency division multiplexing

#21
20140233683
2014-08-21

Reduced state sequence estimation with soft decision outputs

#22
20120314753
2012-12-13

Equalizer with Controllably Weighted Parallel High Pass and Low Pass Filters and Receiver Including Such an Equalizer

#23
20120224661
2012-09-06

Digital Equalization Process and Mechanism

#24
20120106982
2012-05-03

Coherent optical receiver with adaptive equalizer initialization system

#25
20120099635
2012-04-26

Reception apparatus, reception method, and program

#26
20120051412
2012-03-01

Symmetrical data signal processing

#27
20120033721
2012-02-09

Receiver with ICI noise estimation

#28
20120008709
2012-01-12

Single carrier high rate wireless system

#29
20110222593
2011-09-15

Channel equalizer and method of processing broadcast signal in receiving system

#30
20110206385
2011-08-25

Method and apparatus for frame detection and polarization separation

#31
20110206108
2011-08-25

Method and system for providing a time equalizer for multiline transmission in communication systems

#32
20110176664
2011-07-21

Communication data using wideband communications

#33
20110058618
2011-03-10

Method and apparatus for interference mitigation in a baseband OFDM receiver

#34
20110026578
2011-02-03

METHOD FOR RECEPTION OF LONG RANGE SIGNALS IN BLUETOOTH

#35
20100316166
2010-12-16

METHOD FOR GENERATING A DATA BLOCK FOR TRANSMISSION USING A CPM SCHEME

#36
20100316107
2010-12-16

Frequency domain equalization method for continuous phase modulated signals

#37
20100303169
2010-12-02

Channel equalizer and method of processing broadcast signal in receiving system

#38
20100303161
2010-12-02

Receiver apparatus

#39
20100302929
2010-12-02

Method and device for data processing and communication system comprising such device

#40
20100299582
2010-11-25

MULTI-TAP FREQUENCY DOMAIN EQUALIZATION WITH DECISION FEEDBACK AND TRELLIS DECODING

#41
20100296570
2010-11-25

SYSTEMS AND METHODS FOR MULTICARRIER MODULATION USING MULTI-TAP FREQUENCY-DOMAIN EQUALIZER AND DECISION FEEDBACK

#42
20100293442
2010-11-18

MULTI-TAP FREQUENCY DOMAIN EQUALIZATION WITH DECISION FEEDBACK AND TRELLIS DECODING

#43
20100220797
2010-09-02

COMMUNICATION APPARATUS

#44
20100111212
2010-05-06

Decision feedback channel estimation and pilot tracking for OFDM systems

#45
20100098149
2010-04-22

SYSTEMS AND METHODS FOR MULTICARRIER MODULATION USING MULTI-TAP FREQUENCY-DOMAIN EQUALIZER AND DECISION FEEDBACK

#46
20100092181
2010-04-15

Low conversion rate digital dispersion compensation

#47
20100040179
2010-02-18

Channel estimation

#48
20090279647
2009-11-12

Reception device, reception method and integrated circuit

#49
20090262864
2009-10-22

Symmetrical data signal processing

#50
20090238295
2009-09-24

Communicating data using wideband communications

#51
20090232258
2009-09-17

Device and method for demodulating control signals

#52
20090219981
2009-09-03

Minimum mean square error equaliser with reduced complexity

#53
20090201796
2009-08-13

Low conversion rate digital dispersion compensation

#54
20090190559
2009-07-30

TD-SCDMA based SFN network and associated methods

#55
20090168910
2009-07-02

Transmitting device, transmitting/receiving device, transmitting method and transmitting/receiving method

#56
20090122855
2009-05-14

Systems and methods for mitigating the effects of upstream far-end cross talk

#57
20090116545
2009-05-07

Adaptive frequency equalizer

#58
20090110099
2009-04-30

Signal receiving apparatus, signal receiving method and program

#59
20090109947
2009-04-30

Techniques for frequency-domain joint detection in wireless communication systems

#60
20090060016
2009-03-05

Method of estimating inter-carrier interference (ICI) and ICI mitigating equalizer

#61
20090055459
2009-02-26

FREQUENCY-DOMAIN EQUALIZER

#62
20090046787
2009-02-19

Transmitting apparatus, receiving apparatus, and wireless communication method

#63
20090037506
2009-02-05

RECEIVING APPARATUS AND METHOD

#64
20090022253
2009-01-22

Channel estimation device, equalization device, and radio system

#65
20090010149
2009-01-08

Virtual multi-antenna method for OFDM system and OFDM-based cellular system

#66
20080317153
2008-12-25

Adaptive technique for inter-carrier-interference canceling in OFDM systems

#67
20080304403
2008-12-11

METHOD AND SYSTEM FOR DIVERSITY RECEIVER BASED ON TDS-OFDM TECHNOLOGY

#68
20080291972
2008-11-27

Method and Transmitter, Receiver and Transceiver Systems for Ultra Widebrand Communication

#69
20080279091
2008-11-13

Fourier-transform based linear equalization for MIMO CDMA downlink

#70
20080267321
2008-10-30

Extended algorithm data estimator

#71
20080240307
2008-10-02

Single carrier high rate wireless system

#72
20080225820
2008-09-18

Mobile station capable of and a method for generating chip patterns for transmission

#73
20080219340
2008-09-11

Frequency domain equalizer for wireless communications system

#74
20080215650
2008-09-04

Efficient multiple input multiple output signal processing method and apparatus

#75
20080214222
2008-09-04

Mobile station capable of and a method for generating chip patterns for transmission

#76
20080198954
2008-08-21

Channel equalization using frequency and phase compensation

#77
20080192850
2008-08-14

OFDM SIGNAL RECEIVING APPARATUS AND AN OFDM SIGNAL RECEIVING METHOD

#78
20080126461
2008-05-29

Signal processing system employing time and frequency domain partitioning

#79
20080107201
2008-05-08

Receiver and method performing adaptive overlap and add function in multi band orthogonal frequency division multiplexing scheme

#80
20080107190
2008-05-08

METHOD FOR FORMING A BIT LOG-LIKELIHOOD RATIO FROM SYMBOL LOG-LIKELIHOOD RATIO

#81
20080102751
2008-05-01

Passive system and method to equalize distortion in an RF satellite chain

#82
20080101452
2008-05-01

Systems and methods for multicarrier modulation using multi-tap frequency-domain equalizer and decision feedback

#83
20080069256
2008-03-20

Ultra-wideband communication apparatus and methods

#84
20080049852
2008-02-28

OFDM system, symbol estimating apparatus and inter-carrier interference cancellation method for estimating symbol value using output of forward error correction decoder

#85
20080002763
2008-01-03

Communication receiver with an adaptive equalizer

#86
20070297522
2007-12-27

Method for Signal Processing and a Signal Processor in an Ofdm System

#87
20070270098
2007-11-22

Method and apparatus for reception of long range signals in bluetooth

#88
20070253476
2007-11-01

Reduced complexity frequency domain equalization of multiple input multiple output channels

#89
20070248196
2007-10-25

Method and apparatus for receiving signals by a plurality of antennas

#90
20070220279
2007-09-20

Method and apparatus for content protection in a personal digital network environment

#91
20070217535
2007-09-20

Orthogonal frequency division multiplexing (OFDM) receiver, OFDM reception method and terrestrial digital receiver

#92
20070211812
2007-09-13

MULTI-TAP FREQUENCY DOMAIN EQUALIZATION WITH DECISION FEEDBACK AND TRELLIS DECODING

#93
20070206708
2007-09-06

Channel equalizer and method of processing broadcast signal in receiving system

#94
20070201546
2007-08-30

Equalizer with controllably weighted parallel high pass and low pass filters and receiver including such an equalizer

#95
20070189403
2007-08-16

Method and device for phase noise compensation in OFDM/OFDMA receivers, and receiver employing the method and the device

#96
20070183517
2007-08-09

Symmetrical data signal processing

#97
20070147529
2007-06-28

Frequency domain equalization method and apparatus for a single carrier receiver

#98
20070127929
2007-06-07

Signal regeneration device, optical receiver, and signal processing method

#99
20070104282
2007-05-10

Equalization in radio receiver

#100
20070098122
2007-05-03

Diversity receiver

#101
20070092014
2007-04-26

Apparatus and method for two-dimensional equalization in a communication system using orthogonal frequency division multiple access

#102
20070053454
2007-03-08

Compensation method and apparatus in orthogonal frequency division multiplexing (OFDM) systems

#103
20070053453
2007-03-08

Low noise inter-symbol and inter-carrier interference cancellation for multi-carrier modulation receivers

#104
20070053416
2007-03-08

Methods and apparatus to perform closed-loop transmit diversity with frequency-domain equalizers

#105
20070025461
2007-02-01

Phase noise compensation apparatus and an OFDM system having the apparatus and method thereof

#106
20070002985
2007-01-04

Equalizer and equalization method

#107
20060290819
2006-12-28

Communication device and communication method

#108
20060280257
2006-12-14

Method and apparatus for generating weights for transmit diversity in wireless communication

#109
20060227857
2006-10-12

Multipath interference reduction on pilot estimation with legacy system interoperability

#110
20060209976
2006-09-21

Telecommunications transmission systems

#111
20060176936
2006-08-10

Method and apparatus for transmission and reception of data

#112
20060159187
2006-07-20

System and method for utilizing different known guard intervals in single/multiple carrier communication systems

#113
20060146925
2006-07-06

Transform-domain sample-by-sample decision feedback equalizer

#114
20060146759
2006-07-06

MIMO Kalman equalizer for CDMA wireless communication

#115
20060140295
2006-06-29

Multi sub-carrier communication system and method providing improved frequency equalization performance

#116
20060126747
2006-06-15

Block linear equalization in a multicarrier communication system

#117
20060078058
2006-04-13

Orthogonal frequency division multiplexing (OFDM) receiver capable of correcting in-phase and quadrature-phase mismatch and method thereof

#118
20060067397
2006-03-30

Receiver for performing adaptive equalization and method

#119
20060056522
2006-03-16

Multiline transmission in communication systems

#120
20060029144
2006-02-09

Frequency domain equalization

#121
20060023799
2006-02-02

Apparatus for channel equalization and method thereof

#122
20060019627
2006-01-26

Adaptive correction of a received signal frequency response tilt

#123
20060007998
2006-01-12

Equalization for DMT and OFDM communication systems

#124
20050259757
2005-11-24

Frequency domain equalization in communications systems with scrambling

#125
20050259727
2005-11-24

Frequency-domain decision feedback equalizing device and method

#126
20050232133
2005-10-20

Method of receiving and processing a multi-carrier signal and multi-carrier reception device employing the method

#127
20050226341
2005-10-13

Decision feedback channel estimation and pilot tracking for OFDM systems

#128
20050220231
2005-10-06

Method for equalising and demodulating a data signal which is transmitted via a time-variant channel

#129
20050208895
2005-09-22

Method and device for processing mismatches between two quadrature paths of a chain of a reception adapted for example to the reception of a signal modulated according to a modulation of the OFDM type

#130
20050207334
2005-09-22

OFDM communication channel

#131
20050185573
2005-08-25

OFDM equalizer filter with shared multiplier

#132
20050180461
2005-08-18

Method of equalization in an OFDM system

#133
20050169393
2005-08-04

Receiver device of communication system

#134
20050163241
2005-07-28

Multi-carrier communication system and receiver thereof

#135
20050152467
2005-07-14

System and method for canceling radio frequency interferers (RFI's) in xDSL signals

#136
20050141657
2005-06-30

Adaptive channel equalizer for wireless system

#137
20050129100
2005-06-16

Architecture for per tone equalizer with reduced complexity for DMT-based xDSL modems

#138
20050122947
2005-06-09

Direct-sequence CDMA method and device

#139
20050117672
2005-06-02

Method and system for providing low power WLAN receiver

#140
20050117532
2005-06-02

Fourier-transform based linear equalization for CDMA downlink

#141
20050105461
2005-05-19

OFDM signal receiving apparatus and an OFDM signal receiving method

#142
20050073949
2005-04-07

OFDM signal receiving apparatus and OFDM signal receiving method

#143
20050069064
2005-03-31

Digital equalization process and mechanism

#144
20050068886
2005-03-31

Multi-symbol encapsulated OFDM system

#145
20050063479
2005-03-24

Communication data using wideband communications

#146
20050058193
2005-03-17

Frequency domain equalizer for wireless commuications system

#147
20050053229
2005-03-10

Common mode noise cancellation

#148
20050053128
2005-03-10

Adaptive frequency equalizer

#149
20050053121
2005-03-10

Ultra-wideband communication apparatus and methods

#150
20050053097
2005-03-10

Multi-channel communication system for multiple input, multiple output processing of an encoded signal

#151
20050052988
2005-03-10

Decision feedback transceiver for multichannel communication system

#152
20050041574
2005-02-24

Communication signal equalization systems and methods

#153
20050018763
2005-01-27

Method for echo cancellation in a DMT modem apparatus, DMT modem apparatus and computer program product thereof

#154
17027901
2021-11-16

Digital detection and tracking of signals over multiple frequency bins

#155
16205020
2020-07-14

Circuit for and method of receiving signals in an integrated circuit device

#156
15648256
2018-05-29

Adaptive filter with recursive processing

#157
15078021
2017-05-30

System and method for large dimension equalization using small dimension equalizers and bypassed equalizers

#158
14880974
2017-03-07

Equalization scheme in trans-impedance amplifier for optical communications