ClassID:

227583

H04M3/34 - CPC Classification

Classification description:

Automatic or semi-automatic exchanges; Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring Testing for cross-talk

Recent Application in this class:
#1
20210194539
2021-06-24

Method and apparatus for determination of vectoring matrices

#2
20210013925
2021-01-14

CROSSTALK MITIGATION

#3
20200350951
2020-11-05

Method and apparatus for transmitting data in a communication system

#4
20200091948
2020-03-19

Reducing interference in radio broadcast bands

#5
20200059256
2020-02-20

Low complexity MIMO digital pre-distortion

#6
20190305816
2019-10-03

Crosstalk mitigation for out-of-band tones

#7
20190280723
2019-09-12

Reducing interference in radio broadcast bands

#8
20190207736
2019-07-04

Dynamic resource allocation (DRA) for communication systems

#9
20190158142
2019-05-23

Crosstalk mitigation

#10
20190097682
2019-03-28

Method and system for estimating crosstalk between electrical transmission lines

#11
20180167104
2018-06-14

Line simulator

#12
20180138943
2018-05-17

Communication system for telephone line access with crosstalk stability

#13
20180054235
2018-02-22

Performing upstream symbol alignment under FEXT

#14
20180048768
2018-02-15

Nearby talker obscuring, duplicate dialogue amelioration and automatic muting of acoustically proximate participants

#15
20180027113
2018-01-25

Systems, methods, and apparatuses for implementing DSL line fault determination and localization via selt, delt, and melt diagnostics

#16
20170366227
2017-12-21

Method for automatically removing crosstalk and an apparatus thereof

#17
20170331515
2017-11-16

Communication system for telephone line access with crosstalk mitigation

#18
20170257141
2017-09-07

System and method to reduce crosstalk of digital subscriber lines

#19
20170134569
2017-05-11

Crosstalk estimation method, apparatus, and system

#20
20170041045
2017-02-09

Performing upstream symbol alignment under FEXT

#21
20170006154
2017-01-05

MULTI-OPERATOR VECTORING IN DIGITAL SUBSCRIBER LINE MODEMS

#22
20170005700
2017-01-05

Reducing the feedback overhead during crosstalk precoder initialization

#23
20160329978
2016-11-10

Selective channel estimation

#24
20160295014
2016-10-06

Channel ordering for multi-channel multi-carrier communication systems

#25
20160286037
2016-09-29

Methods and systems for determining crosstalk for a line in a vectored system

#26
20160277069
2016-09-22

Power adjustment device and method

#27
20160248475
2016-08-25

Crosstalk mitigation

#28
20160191117
2016-06-30

Randomization of crosstalk probing signals

#29
20160156383
2016-06-02

Detection of demapping errors

#30
20160142098
2016-05-19

Determining downstream power back-off parameters

#31
20160028436
2016-01-28

System and method to reduce crosstalk of digital subscriber lines

#32
20160020823
2016-01-21

Managing crosstalk in vectored transmissions

#33
20150381236
2015-12-31

Method and apparatus in a communications network

#34
20150381233
2015-12-31

Managing crosstalk in DSL systems

#35
20150350417
2015-12-03

DETECTION OF WIRING DEFECTS

#36
20150350415
2015-12-03

Methods and systems for determining crosstalk for a joining line in a vectored system

#37
20150341487
2015-11-26

Mitigation of disconnect events in vectoring based DSL systems

#38
20150295621
2015-10-15

Method and device for line initialization

#39
20150288811
2015-10-08

System for diagnosing and optimizing vectored DSL lines

#40
20150229355
2015-08-13

Method and device for identifying crosstalk

#41
20150215000
2015-07-30

Communication system for telephone line access with crosstalk mitigation

#42
20150214999
2015-07-30

Communication system for telephone line access with crosstalk stability

#43
20150195005
2015-07-09

Method and apparatus for fast and accurate acquisition of crosstalk coefficients

#44
20150163350
2015-06-11

Method, apparatus and system for compatibility with VDSL2 legacy customer premises equipment

#45
20150155914
2015-06-04

Method and device for determining a parameter that characterizes a number of spare positions to be used for cancelling the crosstalk of lines joining a digital subscriber line vectoring group

#46
20150124943
2015-05-07

Performance monitoring for discontinuous operation modes

#47
20150063551
2015-03-05

Data processing in a digital subscriber line environment

#48
20150023494
2015-01-22

Vectored DSL crosstalk cancellation

#49
20140376604
2014-12-25

Power adaptation avoidance during crosstalk measurements

#50
20140369430
2014-12-18

Method and apparatus for reducing the power of a signal electromagnetically coupled from a PLC medium to a DSL medium

#51
20140334283
2014-11-13

Dynamic rate adaptation methods in a vectored G.fast system

#52
20140307749
2014-10-16

Performing upstream symbol alignment under FEXT

#53
20140233724
2014-08-21

Digital subscriber line management using virtual noise calculation

#54
20140233722
2014-08-21

Reducing the feedback overhead during crosstalk precoder initialization

#55
20140185701
2014-07-03

Power control in linear precoder design for MIMO DSL transmission

#56
20140185659
2014-07-03

Communication system capable of measuring crosstalk in legacy line

#57
20140153629
2014-06-05

Method and apparatus for analyzing crosstalk between lines

#58
20140133534
2014-05-15

Signal processing method, device and system

#59
20130301824
2013-11-14

Crosstalk cancellation device and method with improved vectoring stabilisation

#60
20130238308
2013-09-12

Modular unit for stimulating performance in multi-lines digital subscriber line (xDSL) system

#61
20130215951
2013-08-22

Methods and systems for reducing crosstalk

#62
20130215935
2013-08-22

Methods and systems for reducing crosstalk

#63
20130170628
2013-07-04

Diagnostics primitives on L2/ERB normalized error samples

#64
20130101093
2013-04-25

Methods, apparatus, and articles of manufacture to trigger preemptive maintenance in vectored digital subscriber line (DSL) systems

#65
20130093434
2013-04-18

Signal processing apparatuses and methods for identifying cable connections between ports

#66
20130051536
2013-02-28

Method and device for clustering lines of a wireline network in a number of virtual binders

#67
20130022178
2013-01-24

Detection of wiring defects

#68
20130010931
2013-01-10

Estimating pair symmetry status for a communication line

#69
20120250491
2012-10-04

Systems and methods for adjusting time slots of vectoring streams based on bit loading

#70
20120250490
2012-10-04

Systems and methods for bypassing failed line cards in multi-card vectoring groups

#71
20120243404
2012-09-27

Systems and methods for communicating vectoring streams in multi-card vectoring groups

#72
20120224683
2012-09-06

Systems and methods selectively excluding tones from vectoring

#73
20120224674
2012-09-06

Systems and methods for handling crosstalk vectoring failures in multi-card vectoring groups

#74
20120140901
2012-06-07

Methods, apparatus, and articles of manufacture to trigger preemptive maintenance in vectored digital subscriber line (DSL) systems

#75
20120082258
2012-04-05

Channel estimation utilizing control signals transmitted by an activating line during initialization

#76
20120075984
2012-03-29

METHOD AND APPARATUS FOR ESTIMATING FAR-END CROSSTALK CHANNEL

#77
20120020395
2012-01-26

SYSTEM AND METHOD FOR DIGITAL SUBSCRIBER LOOP CROSSTALK CANCELLATION

#78
20110235692
2011-09-29

Method and system for robust digital subscriber loop communication

#79
20110122937
2011-05-26

METHOD AND DEVICE FOR SNR MEASUREMENT AND COMMUNICATION SYSTEM COMPRISING SUCH DEVICE

#80
20110103574
2011-05-05

System and method to reduce crosstalk of digital subscriber lines

#81
20110080938
2011-04-07

Vectored DSL crosstalk cancellation

#82
20110075834
2011-03-31

CROSSTALK CONTROL USING DELAYED POST-COMPENSATION IN A MULTI-CHANNEL COMMUNICATION SYSTEM

#83
20110058468
2011-03-10

Method and apparatus for crosstalk cancellation during SELT testing

#84
20110007623
2011-01-13

Method for Estimating the Strength of a Crosstalk Channel

#85
20100322363
2010-12-23

Adaptive interference canceling system and method

#86
20100296648
2010-11-25

Method, device and system for line management

#87
20100278330
2010-11-04

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

#88
20100271039
2010-10-28

Apparatus for detecting imbalances in a paired line

#89
20100260282
2010-10-14

Method, device and system for managing lines

#90
20100238785
2010-09-23

Cancellation of crosstalk energy in communication loops

#91
20100208785
2010-08-19

Method for determining automatically a FEXT/NEXT transfer-function

#92
20100195817
2010-08-05

Reducing the feedback overhead during crosstalk precoder initialization

#93
20100195816
2010-08-05

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

#94
20100172232
2010-07-08

Noise compensation in data transmission

#95
20100135374
2010-06-03

Method and device for crosstalk evaluation and communication system comprising such device

#96
20100067665
2010-03-18

Method and apparatus for determining a change in network-generated crosstalk levels caused by a multi-line phone

#97
20090304060
2009-12-10

Probing and estimation of cross-coupling

#98
20090296792
2009-12-03

Method, device and system for eliminating DSL crosstalk

#99
20090245081
2009-10-01

Fast seamless joining of channels in a multi-channel communication system

#100
20090175156
2009-07-09

Communication apparatus and method

#101
20090092036
2009-04-09

Method and apparatus for estimating crosstalk

#102
20090086800
2009-04-02

Adaptive FEC codeword management

#103
20090086798
2009-04-02

Low power state for DSL system and devices

#104
20090074011
2009-03-19

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, CONTROL METHOD AND STORAGE MEDIUM

#105
20090073868
2009-03-19

Device and associated method for measuring crosstalk

#106
20080316937
2008-12-25

Method and device for obtaining crosstalk information

#107
20080267391
2008-10-30

Method and apparatus for reducing crosstalk between digital subscriber lines

#108
20080188185
2008-08-07

Method, apparatus and system for crosstalk test on multi-subscriber communication lines

#109
20080160915
2008-07-03

Far-end crosstalk (FEXT) canceller

#110
20080151742
2008-06-26

Determining information indicating a length of a part of a first cable

#111
20080106270
2008-05-08

Apparatus for detecting imbalances in a paired line

#112
20080100308
2008-05-01

Apparatus for detecting imbalances in a paired line

#113
20080071516
2008-03-20

DSL system estimation and parameter recommendation

#114
20070258514
2007-11-08

Apparatus for and method of far-end crosstalk (FEXT) detection and estimation

#115
20070140289
2007-06-21

Transceiver power backoff

#116
20070133787
2007-06-14

METHOD AND APPARATUS FOR IDENTIFYING CROSSTALK SOURCES

#117
20070082519
2007-04-12

Telecommunications components having reduced alien crosstalk

#118
20070004286
2007-01-04

Cancellation of crosstalk energy in communication loops

#119
20060039454
2006-02-23

Interference cancellation system

#120
20050195892
2005-09-08

Training and updating for multiple input-output wireline communications

#121
20050152385
2005-07-14

High speed multiple loop DSL system

#122
20050138524
2005-06-23

Adaptive FEC codeword management

#123
20050123028
2005-06-09

Adaptive margin and band control in digital subscriber line (DSL) systems

#124
20050123027
2005-06-09

DSL system estimation and parameter recommendation

#125
20050018596
2005-01-27

System for crosstalk noise reduction on twisted pair, ethernet, polyphase and shielded wire systems

#126
20050013353
2005-01-20

Method and apparatus for channel equalization and cyclostationary interference rejection for ADSL-DMT modems

#127
15410696
2017-10-03

Training-based backplane crosstalk cancellation

#128
15183772
2017-06-06

System and method of analyzing crosstalk without measuring aggressor signal

#129
15041187
2018-12-25

Shared schedule time slot allocation

#130
14863042
2019-03-12

Transmission power level configuration for crosstalk relationship

#131
13593875
2014-08-05

Method and apparatus for detecting crosstalk between a plurality of devices communicating in accordance with a universal serial bus (USB) protocol