ClassID:

225753

H04L25/03331 - 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; Arrangements involving sequence estimation techniques Arrangements for the joint estimation of multiple sequences

Recent Application in this class:
#1
20250211337
2025-06-26

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

#2
20250192895
2025-06-12

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

#3
20250192894
2025-06-12

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

#4
20240113915
2024-04-04

SELECTING A JOINT EQUALIZATION AND DECODING MODEL

#5
20230086078
2023-03-23

Selecting a joint equalization and decoding model

#6
20230041216
2023-02-09

User matching and power distribution methods for MIMO-NOMA downlink communication system

#7
20220224420
2022-07-14

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

#8
20220123970
2022-04-21

RECEIVER FOR RECEIVING A COMBINATION SIGNAL TAKING INTO ACCOUNT INTER-SYMBOL INTERFERENCE, METHOD FOR RECEIVING A COMBINATION SIGNAL, AND COMPUTER PROGRAM

#9
20220077961
2022-03-10

Data synchronization in optical networks and devices

#10
20220077931
2022-03-10

Data synchronization in optical networks and devices

#11
20220069974
2022-03-03

Data synchronization in optical networks and devices

#12
20220052765
2022-02-17

Data synchronization in optical networks and devices

#13
20210399870
2021-12-23

Data synchronization in optical networks and devices

#14
20200328922
2020-10-15

System for demodulating or for blind searching the characteristics of digital telecommunication signals

#15
20200328921
2020-10-15

Error retro-propagation for a chain for the blind demodulation of a digital telecommunication signal

#16
20190326960
2019-10-24

Electronic device and method for use in network control point and central processing node

#17
20190260616
2019-08-22

Apparatus for supporting a plurality of wireless communication systems and operating method of the same

#18
20190149368
2019-05-16

Wireless receiver for multiuser detection incorporating residual estimation errors

#19
20180249452
2018-08-30

Method for transmitting and receiving signals on basis of non-orthogonal multiple access scheme, and apparatus therefor

#20
20180212801
2018-07-26

Wireless receiver for multiuser detection incorporating residual estimation errors

#21
20180097724
2018-04-05

Tree structured spreading codes

#22
20170373807
2017-12-28

Methods and devices for handling and assigning uplink pilots

#23
20170063578
2017-03-02

Sequence estimation device and method

#24
20170054487
2017-02-23

Reception apparatus of multi input multi output system and reception signal processing method

#25
20140286460
2014-09-25

Symbol detection for alleviating inter-symbol interference

#26
20140247896
2014-09-04

Low complexity maximum likelihood detection of concatenated space codes for wireless applications

#27
20140241314
2014-08-28

Spatio-temporal processing for communication

#28
20140226745
2014-08-14

Multi-user multiple input multiple output wireless communications

#29
20140153676
2014-06-05

Joint demodulation of a desired signal and an interfering signal based on a carrier-to-interference ratio estimate

#30
20130294482
2013-11-07

Method and device for eliminating interference in mobile communication system

#31
20130279634
2013-10-24

Methods and devices for estimating channel quality

#32
20130272462
2013-10-17

Method and apparatus for multiple antenna communications, and related systems and computer program

#33
20130230115
2013-09-05

Signaling in wireless communication systems

#34
20130215955
2013-08-22

Apparatus and method for detecting communications from multiple sources

#35
20130101062
2013-04-25

Interference cancelling block modulation

#36
20130039436
2013-02-14

Techniques for detection of signals in multiple-input multiple-output communication systems

#37
20130034181
2013-02-07

Antenna selection scheme based on information bits

#38
20130034044
2013-02-07

Method of transmitting a digital signal for a marc system with a full-duplex relay, a corresponding program product and relay device

#39
20120321022
2012-12-20

Method and apparatus for detecting a plurality of symbol blocks using a decoder

#40
20120294393
2012-11-22

METHOD FOR POST DETECTION IMPROVEMENT IN MIMO

#41
20120294381
2012-11-22

Multi-user multiple input multiple output wireless communications

#42
20120269254
2012-10-25

Channel architecture with multiple signal processing branches for a given physical channel

#43
20120263222
2012-10-18

Maximum-likelihood MIMO demodulation for frequency-selective channels

#44
20120188888
2012-07-26

Method and device for controlling the downlink transmission in the coordinated multi-point transmission system

#45
20120155444
2012-06-21

Method for eliminating interference in a receiver, and associated apparatus

#46
20120098612
2012-04-26

Reduced complexity FDM-CPM detector with multiple access interference cancellation

#47
20120063541
2012-03-15

Method and device for determining estimated values for transmitted symbols in a MIMO-OFDM system

#48
20120051467
2012-03-01

Incrementally inclusive frequency domain symbol joint detection

#49
20120051466
2012-03-01

Frequency-domain multi-stage group detection for alleviating inter-symbol interference

#50
20120051463
2012-03-01

Method and apparatus for multiple antenna communications, and related systems and computer program

#51
20120051416
2012-03-01

Symbol detection for alleviating inter-symbol interference

#52
20120044956
2012-02-23

Joint demodulation using a viterbi equalizer having an adaptive total number of states

#53
20120028592
2012-02-02

Shared soft metric buffer for carrier aggregation receivers

#54
20120027115
2012-02-02

Method and apparatus for impairment correlation estimation in a wireless communication receiver

#55
20120014482
2012-01-19

Data communication devices, methods, and systems

#56
20110310996
2011-12-22

Spatio-temporal processing for communication

#57
20110280347
2011-11-17

Method for demodulating signals from a multi-access system able to collide and equipment for implementing same

#58
20110268203
2011-11-03

Techniques for decoding transmitted signals using reactive taboo searches (RTS)

#59
20110268168
2011-11-03

Methods and systems for increased communication throughput

#60
20110268019
2011-11-03

Using joint decoding engine in a wireless device

#61
20110255632
2011-10-20

Signaling of mixture combination sets

#62
20110255582
2011-10-20

Selective joint demodulation

#63
20110217942
2011-09-08

ITERATIVE MULTI-STAGE DETECTION TECHNIQUE FOR A DIVERSITY RECEIVER HAVING MULTIPLE ANTENNA ELEMENTS

#64
20110211508
2011-09-01

ITERATIVE MULTI-STAGE DETECTION TECHNIQUE FOR A DIVERSITY RECEIVER HAVING MULTIPLE ANTENNA ELEMENTS

#65
20110170637
2011-07-14

Signal separator

#66
20110164517
2011-07-07

COMPLEXITY MANAGEMENT IN A MULTI-USER COMMUNICATIONS SYSTEM

#67
20110129043
2011-06-02

Method and apparatus for detecting a plurality of symbol blocks using a decoder

#68
20110129042
2011-06-02

Method and apparatus for detecting a plurality of symbol blocks using a decoder

#69
20110129000
2011-06-02

Method and apparatus for efficient AMLD matrix computations

#70
20110096873
2011-04-28

Method for post detection improvement in MIMO

#71
20110096722
2011-04-28

Signaling in wireless communication systems

#72
20110075769
2011-03-31

Method and apparatus for generating soft bit values

#73
20110075767
2011-03-31

Method and apparatus for detecting a plurality of symbol blocks

#74
20110069791
2011-03-24

Parallel viterbi decoder with end-state information passing

#75
20110019771
2011-01-27

Spatio-temporal processing for communication

#76
20100271988
2010-10-28

Hybrid-QRD-SIC and imbalanced MCS system and method for MIMO

#77
20100232551
2010-09-16

Efficient optimal ML detector

#78
20100220813
2010-09-02

Protocol operation and message design for SDMA data transmission to a plurality of stations

#79
20100172443
2010-07-08

SYSTEMS AND METHODS OF CLASSIFYING AND DECODING WIRELESS SIGNALS

#80
20100119006
2010-05-13

Low complexity maximum likelihood detection of concatenated space codes for wireless applications

#81
20100091912
2010-04-15

Methods and systems using norm approximation for maximum likelihood MIMO decoding

#82
20100091906
2010-04-15

Spatio-temporal processing for communication

#83
20100067597
2010-03-18

Methods and systems for maximum-likelihood detection using post-squaring compensation

#84
20090327835
2009-12-31

Techniques for reducing joint detection complexity in a channel-coded multiple-input multiple-output communication system

#85
20090323795
2009-12-31

Equalizing structure and equalizing method

#86
20090310720
2009-12-17

Equalizing structure and equalizing method

#87
20090285342
2009-11-19

Perturbed decoder, perturbed decoding method and apparatus in communication system using the same

#88
20090207985
2009-08-20

DSL system

#89
20090185610
2009-07-23

Joint demodulation using a Viterbi equalizer having an adaptive total number of states

#90
20090175390
2009-07-09

Receiver apparatus in multi-user communication system and control method thereof

#91
20090168910
2009-07-02

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

#92
20090154599
2009-06-18

Apparatus and method for detecting communications from multiple sources

#93
20090141820
2009-06-04

Apparatus, computer program and method for determining a symbol estimate

#94
20090111404
2009-04-30

Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements

#95
20090111403
2009-04-30

Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements

#96
20090110104
2009-04-30

Equalization of transmit diversity space-time coded signals

#97
20090110037
2009-04-30

Channel estimation for time division duplex communication systems

#98
20090092182
2009-04-09

Method and apparatus for transmitting and receiving space block coding signal through iterative multi-user detection

#99
20090086846
2009-04-02

Channel architecture with multiple signal processing branches for a given physical channel

#100
20080310554
2008-12-18

Method and apparatus for multiple antenna communications, and related systems and computer program

#101
20080309526
2008-12-18

Method and apparatus for a simplified maximum likelihood demodulator for dual carrier modulation

#102
20080280580
2008-11-13

Image compensation for wireless receiver

#103
20080260057
2008-10-23

METHOD AND APPARATUS FOR GENERATING TRAINING SEQUENCE CODES IN A COMMUNICATION SYSTEM

#104
20080198941
2008-08-21

Low-complexity scalable architecture for concatenation-assisted symbol-level combining

#105
20080112515
2008-05-15

Joint demodulation using a viterbi equalizer having an adaptive total number of states

#106
20080075022
2008-03-27

Method and System, for Mimo Detection

#107
20080031369
2008-02-07

Apparatus and methods for multi-carrier wireless access with energy spreading

#108
20080019426
2008-01-24

Channel estimation for time division duplex communication systems

#109
20070258354
2007-11-08

Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements

#110
20070223411
2007-09-27

Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements

#111
20070201569
2007-08-30

Apparatus, method and computer program product providing joint detection for increasing throughout with data in uplink that multiplexes users using codes and that multiplexes users using frequency multiplexing

#112
20070197173
2007-08-23

Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements

#113
20070196072
2007-08-23

Wireless communication system and receiving device

#114
20070195907
2007-08-23

Method of transmitting and receiving data using superposition modulation in a wireless communication system

#115
20070177659
2007-08-02

Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements

#116
20070171963
2007-07-26

Iterative multi-stage detection technique for a diversity receiver having multiple antenna elements

#117
20070161350
2007-07-12

METHOD OF SEPARATING SIGNALS IN A CELLULAR MULTI-CARRIER TELECOMMUNICATION SYSTEM

#118
20070140374
2007-06-21

Spatio-temporal processing for communication

#119
20070049199
2007-03-01

Interference cancellation method and module for OFDMA mobile communication system

#120
20070036250
2007-02-15

M-Algorithm multiuser detector with correlation based pruning

#121
20070019754
2007-01-25

Spatio-temporal processing for communication

#122
20070015545
2007-01-18

Null deepening for an adaptive antenna based communication station

#123
20060274842
2006-12-07

Frequency domain joint detection for wireless communication systems

#124
20060256841
2006-11-16

Channel estimation for time division duplex communication systems

#125
20060251156
2006-11-09

Method and apparatus for impairment correlation estimation in a wireless communication receiver

#126
20060245348
2006-11-02

Efficient optimal ML detector

#127
20060233289
2006-10-19

Mixed direct-indirect adaptation procedure applied to receiver filter

#128
20060217080
2006-09-28

High-quality detection based on sequential interference cancellation techniques

#129
20060202893
2006-09-14

Communications device with adaptive decoding and associated methods

#130
20060120471
2006-06-08

Tree structured multicarrier multiple access systems

#131
20060115026
2006-06-01

M-algorithm with prioritized user ordering

#132
20060056494
2006-03-16

Channel estimation for time division duplex communication systems

#133
20060018396
2006-01-26

Equalization of transmit diversity space-time coded signals

#134
20050281214
2005-12-22

Multi-user detection using an adaptive combination of joint detection and successive interference cancellation

#135
20050259771
2005-11-24

Signal separation device and signal separation method

#136
20050259762
2005-11-24

Decoding techniques for multi-antenna systems

#137
20050220174
2005-10-06

Multiuser detection aided multiple access differential frequency-hopped spread spectrum

#138
20050195915
2005-09-08

Spatio-temporal processing for communication

#139
20050195790
2005-09-08

Receiver with multiple collectors in a multiple user detection system

#140
20050169412
2005-08-04

Pattern-dependent equalization and detection

#141
20050157810
2005-07-21

Spatio-temporal processing for communication

#142
20050152484
2005-07-14

Multicarrier receivers and methods for separating transmitted signals in a multiple antenna system

#143
20050105630
2005-05-19

Low complexity maximum likelihood detection of concatenated space codes for wireless applications

#144
20050097423
2005-05-05

Voting system for improving the performance of single-user decoders within an iterative multi-user detection system

#145
20050095985
2005-05-05

Method and apparatus for multi-user interference determination an rejection

#146
20050018793
2005-01-27

Hybrid turbo-mud for multiple access systems

#147
20050008091
2005-01-13

Sphere decoding of symbols transmitted in a telecommunication system

#148
14642187
2016-06-14

Demultiplexing processing for a receiver