ClassID:

225725

H04L25/03133 - 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 operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure

Recent Application in this class:
#1
20240243950
2024-07-18

DETERMINING A COMPOSITE ZERO-FORCING EQUALIZER

#2
20230353177
2023-11-02

PAM-4 DFE architectures with symbol-transition dependent DFE tap values

#3
20220217024
2022-07-07

Multilevel driver for high speed chip-to-chip communications

#4
20220149876
2022-05-12

PAM-4 DFE architectures with symbol-transition dependent DFE tap values

#5
20210152205
2021-05-20

PAM-4 DFE architectures with symbol-transition dependent DFE tap values

#6
20210014089
2021-01-14

Multilevel driver for high speed chip-to-chip communications

#7
20200228122
2020-07-16

Multiplying delay lock loop (MDLL) and method of averaging ring oscillator signals for jitter compensation

#8
20200153468
2020-05-14

PAM-4 DFE architectures with symbol-transition dependent DFE tap values

#9
20200106412
2020-04-02

Voltage sampler driver with enhanced high-frequency gain

#10
20190394070
2019-12-26

Multilevel driver for high speed chip-to-chip communications

#11
20190245725
2019-08-08

Reference signal-free transmission for wireless systems

#12
20190028307
2019-01-24

Multilevel driver for high speed chip-to-chip communications

#13
20190020512
2019-01-17

Method and node in a wireless communication network

#14
20180337804
2018-11-22

Equalizer and method for equalizing a receive signal

#15
20180248577
2018-08-30

PAM-4 DFE architectures with symbol-transition dependent DFE tap values

#16
20170302482
2017-10-19

Linear equalization for use in low latency high speed communication systems

#17
20170302267
2017-10-19

Line driver apparatus with combined feed-through capacitance and feed-forward equalization

#18
20170272120
2017-09-21

Multi-stage equalisation method and apparatus for use in telemetry

#19
20160352540
2016-12-01

Steepest descent FFE computation and tracking

#20
20160191275
2016-06-30

Blind equalization tap coefficient adaptation in optical systems

#21
20160013835
2016-01-14

Multi-stage equalisation method and apparatus for use in telemetry

#22
20150276873
2015-10-01

Test circuits

#23
20150180586
2015-06-25

Optical receiving device

#24
20140211837
2014-07-31

Receiver with Doppler tolerant equalization

#25
20140177695
2014-06-26

Multipass approach for performing channel equalization training

#26
20140036698
2014-02-06

Iterative covariance inversion based on linear receiver designs

#27
20140029660
2014-01-30

Method and apparatus for sparse polynomial equalization of RF receiver chains

#28
20130148699
2013-06-13

Non-redundant equalization

#29
20120236924
2012-09-20

Spatial and temporal pre-equalization

#30
20120207203
2012-08-16

Analog continuous-time phase equalizer for data transmission

#31
20120163431
2012-06-28

Method and apparatus for digitally equalizing a signal in a distributed antenna system

#32
20120155515
2012-06-21

Techniques and systems for providing data over power in communications based on time reversal

#33
20120127870
2012-05-24

Method and Apparatus for Enabling an Enhanced Frequency Domain Equalizer

#34
20120027418
2012-02-02

Equalizer for an optical transmission system

#35
20110311008
2011-12-22

Apparatus and method thereof for clock and data recovery of N-PAM encoded signals using a conventional 2-PAM CDR circuit

#36
20110293051
2011-12-01

Receiving device, linearizer, and distortion compensation method

#37
20110286508
2011-11-24

Techniques and systems for communications based on time reversal pre-coding

#38
20110211653
2011-09-01

Device and method for the optimal estimation of distortion of a transmission medium, comprising the sequential emission of pairs of quadrature complementary sequences

#39
20110206109
2011-08-25

System and method for high speed communications using digital signal processing

#40
20110150071
2011-06-23

Adaptive pade filter and transceiver

#41
20110032977
2011-02-10

Dual-port input equalizer

#42
20100310024
2010-12-09

Methods and systems for DSP-based receivers

#43
20100220822
2010-09-02

Inter-carrier interference reduction for multi-carrier signals

#44
20100189170
2010-07-29

Method and apparatus for digitally equalizing a signal in a distributed antenna system

#45
20100134700
2010-06-03

Channel filter, in particular for a digital television receiver

#46
20100008399
2010-01-14

Radio transmitter device

#47
20090290629
2009-11-26

Time-domain equalizer

#48
20090285271
2009-11-19

SYSTEM AND TRANSCEIVER FOR DSL COMMUNICATIONS BASED ON SINGLE CARRIER MODULATION, WITH EFFICIENT VECTORING, CAPACITY APPROACHING CHANNEL CODING STRUCTURE AND PREAMBLE INSERTION FOR AGILE CHANNEL ADAPTATION

#49
20090207899
2009-08-20

Equalize training method using re-encoded bits and known training sequences

#50
20090168856
2009-07-02

System and Method for Adaptive Equalization of In-Package Signals

#51
20090052517
2009-02-26

Diversity GMSK-receiver with interference cancellation and methods therein

#52
20080304554
2008-12-11

Method and apparatus for estimating impairment covariance matrices using unoccupied spreading codes

#53
20080285693
2008-11-20

RECEIVER APPARATUS FOR PROCESSING AMPLITUDE-MODULATED SIGNAL

#54
20080279270
2008-11-13

High speed data packet access minimum mean squared equalization with direct matrix inversion training

#55
20080279267
2008-11-13

Signal processing apparatus, signal processing method, and program

#56
20080232439
2008-09-25

Adaptive equalizer for communication channels

#57
20080192872
2008-08-14

Multi transmit antenna synchronization channel transmission cell ID detection

#58
20080123571
2008-05-29

Equalizer-based receiver to eliminate training sequence interference in TDD systems

#59
20080112501
2008-05-15

Optimal estimation of distortion of a transmission medium using sequential emission of pairs of quadrature complementary sequences

#60
20070297499
2007-12-27

Efficient channel shortening in communication systems

#61
20070263673
2007-11-15

Methods and systems for DSP-based receivers

#62
20070217496
2007-09-20

Colored noise detection algorithms

#63
20060268973
2006-11-30

GFSK/GMSK detector with enhanced performance in co-channel interference and AWGN channels

#64
20060198434
2006-09-07

Equalizer training method using re-encoded bits and known training sequences

#65
20060198433
2006-09-07

Colored noise detection algorithms

#66
20060198432
2006-09-07

Single antenna interference cancellation within a wireless terminal

#67
20060050726
2006-03-09

Transmit adaptive equalization for communication system with one or more serial data channels

#68
20060029171
2006-02-09

Radio receiver and/or transmitter including a programmable equalizer

#69
20060018367
2006-01-26

Method of noise factor computation for chip equalizer in spread spectrum receiver

#70
20050286624
2005-12-29

Method and apparatus to automatically control a step size of an LMS type equalizer

#71
20050201455
2005-09-15

Equalizer architecture

#72
20050169359
2005-08-04

Apparatus and method for multi-channel equalization

#73
20050152487
2005-07-14

Adaptive channel equalization technique and method for wideband passive digital receivers

#74
20050135519
2005-06-23

Apparatus for canceling intersymbol interference in semiconductor memory device and method thereof

#75
20050105646
2005-05-19

Methods and apparatus for pre-filtering a signal to increase signal-to-noise ratio and decorrelate noise

#76
20050058231
2005-03-17

Equalizer for reduced intersymbol interference via partial clock switching

#77
20050058189
2005-03-17

Method for training a receiving modem