DE69940749D1 - Verfahren und Vorrichtung zum Messen von Fernnebensprechen - Google Patents

Verfahren und Vorrichtung zum Messen von Fernnebensprechen

Info

Publication number
DE69940749D1
DE69940749D1 DE69940749T DE69940749T DE69940749D1 DE 69940749 D1 DE69940749 D1 DE 69940749D1 DE 69940749 T DE69940749 T DE 69940749T DE 69940749 T DE69940749 T DE 69940749T DE 69940749 D1 DE69940749 D1 DE 69940749D1
Authority
DE
Germany
Prior art keywords
end crosstalk
measuring far
far
measuring
crosstalk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69940749T
Other languages
English (en)
Inventor
Henriecus Koeman
Jeffrey S Bottman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fluke Corp
Original Assignee
Fluke Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fluke Corp filed Critical Fluke Corp
Application granted granted Critical
Publication of DE69940749D1 publication Critical patent/DE69940749D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/487—Testing crosstalk effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69940749T 1998-09-11 1999-09-06 Verfahren und Vorrichtung zum Messen von Fernnebensprechen Expired - Lifetime DE69940749D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/152,153 US6285653B1 (en) 1998-09-11 1998-09-11 Method and apparatus to measure far end crosstalk for the determination of equal level far end crosstalk

Publications (1)

Publication Number Publication Date
DE69940749D1 true DE69940749D1 (de) 2009-05-28

Family

ID=22541712

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69931713T Expired - Lifetime DE69931713T2 (de) 1998-09-11 1999-09-06 Verfahren und Vorrichtung zur Messung des Fernnebensprechens um das Fernnebensprechen-Dämpfungsverhältnis zu ermitteln
DE69940749T Expired - Lifetime DE69940749D1 (de) 1998-09-11 1999-09-06 Verfahren und Vorrichtung zum Messen von Fernnebensprechen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69931713T Expired - Lifetime DE69931713T2 (de) 1998-09-11 1999-09-06 Verfahren und Vorrichtung zur Messung des Fernnebensprechens um das Fernnebensprechen-Dämpfungsverhältnis zu ermitteln

Country Status (7)

Country Link
US (1) US6285653B1 (de)
EP (2) EP0985933B1 (de)
JP (1) JP3484377B2 (de)
KR (1) KR100676519B1 (de)
CN (1) CN100409591C (de)
DE (2) DE69931713T2 (de)
TW (1) TW444124B (de)

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JP3097677B2 (ja) * 1998-10-08 2000-10-10 三菱電機株式会社 通信装置および通信方法
US7085230B2 (en) * 1998-12-24 2006-08-01 Mci, Llc Method and system for evaluating the quality of packet-switched voice signals
US7653002B2 (en) * 1998-12-24 2010-01-26 Verizon Business Global Llc Real time monitoring of perceived quality of packet voice transmission
US6985559B2 (en) * 1998-12-24 2006-01-10 Mci, Inc. Method and apparatus for estimating quality in a telephonic voice connection
US7099282B1 (en) * 1998-12-24 2006-08-29 Mci, Inc. Determining the effects of new types of impairments on perceived quality of a voice service
SE514948C2 (sv) * 1999-03-29 2001-05-21 Ericsson Telefon Ab L M Förfarande och anordning för att reducera överhörning
US6895081B1 (en) * 1999-04-20 2005-05-17 Teradyne, Inc. Predicting performance of telephone lines for data services
GB2355361B (en) * 1999-06-23 2004-04-14 Teradyne Inc Qualifying telephone lines for data transmission
US6487276B1 (en) * 1999-09-30 2002-11-26 Teradyne, Inc. Detecting faults in subscriber telephone lines
US6704277B1 (en) * 1999-12-29 2004-03-09 Intel Corporation Testing for digital signaling
GB0005227D0 (en) * 2000-03-03 2000-04-26 Teradyne Inc Technique for estimatio of insertion loss
US7016822B2 (en) * 2000-06-30 2006-03-21 Qwest Communications International, Inc. Method and system for modeling near end crosstalk in a binder group
GB2365253B (en) * 2000-07-19 2004-06-16 Teradyne Inc Method of performing insertion loss estimation
WO2002058369A2 (en) * 2000-10-19 2002-07-25 Teradyne, Inc. Method and apparatus for bridged tap impact analysis
US6553061B1 (en) 2001-02-08 2003-04-22 Worldcom, Inc. Method and apparatus for detecting a waveform
EP1246398B1 (de) 2001-03-02 2011-01-05 Broadcom Corporation Verfahren und Vorrichtung zur Durchführung eines diagnostischen Tests unter Zuhilfenahme eines Transceivers
DE60219622T2 (de) * 2001-05-30 2007-12-27 Worldcom, Inc., Clinton Bestimmung der effekte neuer arten von beeinträchtigungen auf die wahrgenommene qualität eines sprachdienstes
ATE413736T1 (de) * 2001-10-03 2008-11-15 Alcatel Lucent Verfahren und vorrichtung zum messen des übersprechens in einem xdsl-netz
US6961373B2 (en) * 2002-07-01 2005-11-01 Solarflare Communications, Inc. Method and apparatus for channel equalization
US7133425B2 (en) * 2002-07-10 2006-11-07 Solarflare Communications, Inc. Communication system
US7809021B2 (en) * 2002-07-10 2010-10-05 Solarflare Communications, Inc. Communication system and encoding method having low overhead
US7164764B2 (en) * 2002-11-07 2007-01-16 Solarflare Communications, Inc. Method and apparatus for precode crosstalk mitigation
CN100520418C (zh) * 2002-12-12 2009-07-29 理想工业公司 局域网电缆线路测试系统及局域网测试器的接插线长度测量
WO2004055527A1 (en) * 2002-12-12 2004-07-01 Ideal Industries, Inc. Patchcord length measurement for a lan testers
US6847213B2 (en) * 2002-12-12 2005-01-25 Ideal Industries, Inc. Hand-held tester and method for local area network cabling
US8363535B2 (en) * 2003-04-28 2013-01-29 Marvell International Ltd. Frequency domain echo and next cancellation
US20040213354A1 (en) * 2003-04-28 2004-10-28 Jones William W. Mixed domain cancellation
US7002897B2 (en) * 2003-04-28 2006-02-21 Solarflare Communications, Inc. Multiple channel interference cancellation
JP4881736B2 (ja) 2003-05-16 2012-02-22 マーベル インターナショナル リミテッド イコライゼーションおよびクロストーク緩和の方法および器具
JP5006036B2 (ja) 2003-07-11 2012-08-22 パンドウィット・コーポレーション 強化パッチコードによるエイリアン・クロストーク抑制
US8140980B2 (en) 2003-08-05 2012-03-20 Verizon Business Global Llc Method and system for providing conferencing services
US7386039B2 (en) * 2003-09-26 2008-06-10 Tollgrade Communications, Inc. Method and apparatus for identifying faults in a broadband network
US7593315B2 (en) * 2004-02-09 2009-09-22 Cisco Technology, Inc. Cable diagnostics for 10GBASE-T transceivers
CN100336311C (zh) * 2004-02-12 2007-09-05 中兴通讯股份有限公司 一种解决数字用户线路远端串扰的方法
WO2005104782A2 (en) 2004-04-27 2005-11-10 Fluke Corporation Fext cancellation of mated rj45 interconnect
TWI380032B (en) * 2004-04-30 2012-12-21 Fluke Corp Method and apparatus for measuring employing main and remote units
US7342400B2 (en) 2004-05-03 2008-03-11 Fluke Corporation Method and apparatus for measuring employing main and remote units
CN1965498B (zh) * 2004-05-18 2013-03-06 适应性频谱和信号校正股份有限公司 估计多线路、矢量化dsl系统的运行特性的方法和设备
US7081763B1 (en) * 2005-08-03 2006-07-25 Agilent Technologies, Inc. Test system and method for field measurement of alien cross-talk
EP1760904B1 (de) * 2005-08-29 2011-10-19 Alcatel Lucent Verfahren und Vorrichtung zum Messen des Nebensprechens
US8761387B2 (en) 2006-05-04 2014-06-24 Mindspeed Technologies, Inc. Analog transmit crosstalk canceller
US7720068B2 (en) 2006-08-23 2010-05-18 Solarflare Communications, Inc. Method and system for a multi-rate gigabit media independent interface
US7808407B2 (en) * 2007-06-15 2010-10-05 Solarflare Communications, Inc. Sub-channel distortion mitigation in parallel digital systems
US7948862B2 (en) 2007-09-26 2011-05-24 Solarflare Communications, Inc. Crosstalk cancellation using sliding filters
US8984304B2 (en) * 2007-11-12 2015-03-17 Marvell International Ltd. Active idle communication system
US8320555B2 (en) * 2008-09-12 2012-11-27 Centurylink Intellectual Property Llc Method and apparatus for determining a change in network-generated crosstalk levels caused by a multi-line phone
US8357013B2 (en) * 2009-01-22 2013-01-22 Hirose Electric Co., Ltd. Reducing far-end crosstalk in electrical connectors
CN105956309B (zh) * 2016-05-13 2019-05-14 南京航空航天大学 一种消除传输线远端稳态串扰的“编码器”设计方法
CN112865836B (zh) * 2020-12-22 2023-03-31 中天通信技术有限公司 电缆测量方法以及室内分布式天线系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US557029A (en) * 1896-03-24 Drying apparatus for cans
US5502391A (en) * 1992-09-11 1996-03-26 Microtest, Inc. Apparatus for measuring the crosstalk in a cable
US5570029A (en) * 1994-03-30 1996-10-29 Fluke Corporation Cable crosstalk measurement system
US5548222A (en) * 1994-09-29 1996-08-20 Forte Networks Method and apparatus for measuring attenuation and crosstalk in data and communication channels
US5532603A (en) * 1995-01-27 1996-07-02 Fluke Corporation Cross-talk measurement apparatus with near-end compensation
EP0789462B1 (de) * 1996-02-12 2004-09-29 Fluke Corporation Verfahren und Gerät zum Verarbeiten von Zeitbereich-Übersprechdaten
US5821760A (en) * 1996-07-31 1998-10-13 Fluke Corporation Method and apparatus for measuring near-end cross-talk in patch cords
US5731706A (en) * 1997-02-18 1998-03-24 Koeman; Henriecus Method for efficient calculation of power sum cross-talk loss

Also Published As

Publication number Publication date
JP3484377B2 (ja) 2004-01-06
DE69931713D1 (de) 2006-07-20
EP0985933B1 (de) 2006-06-07
EP1681777A1 (de) 2006-07-19
CN1248826A (zh) 2000-03-29
KR20000023049A (ko) 2000-04-25
CN100409591C (zh) 2008-08-06
KR100676519B1 (ko) 2007-01-31
EP0985933A2 (de) 2000-03-15
DE69931713T2 (de) 2007-05-16
US6285653B1 (en) 2001-09-04
EP1681777B1 (de) 2009-04-15
EP0985933A3 (de) 2003-07-30
JP2000101489A (ja) 2000-04-07
TW444124B (en) 2001-07-01

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Legal Events

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8364 No opposition during term of opposition