TW346711B - Communication system comprising test means for testing a communication channel, and test method - Google Patents

Communication system comprising test means for testing a communication channel, and test method

Info

Publication number
TW346711B
TW346711B TW085103494A TW85103494A TW346711B TW 346711 B TW346711 B TW 346711B TW 085103494 A TW085103494 A TW 085103494A TW 85103494 A TW85103494 A TW 85103494A TW 346711 B TW346711 B TW 346711B
Authority
TW
Taiwan
Prior art keywords
transmitting
channel
band
test
ratio
Prior art date
Application number
TW085103494A
Other languages
English (en)
Inventor
Giorgi Sabine
Chouly Antoine
Ballarin Bruno
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of TW346711B publication Critical patent/TW346711B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
TW085103494A 1995-03-08 1996-03-22 Communication system comprising test means for testing a communication channel, and test method TW346711B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9502712A FR2731571A1 (fr) 1995-03-08 1995-03-08 Systeme de communication muni de moyens pour tester un canal de transmission et procede de test

Publications (1)

Publication Number Publication Date
TW346711B true TW346711B (en) 1998-12-01

Family

ID=9476867

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085103494A TW346711B (en) 1995-03-08 1996-03-22 Communication system comprising test means for testing a communication channel, and test method

Country Status (6)

Country Link
US (1) US5802446A (zh)
EP (1) EP0731573B1 (zh)
JP (1) JP3945590B2 (zh)
DE (1) DE69623363T2 (zh)
FR (1) FR2731571A1 (zh)
TW (1) TW346711B (zh)

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FR2736781B1 (fr) * 1995-07-13 1997-09-26 Sgs Thomson Microelectronics Circuit de transmission de donnees binaires sur le reseau electrique utilisant plusieurs canaux de transmission
US5870429A (en) * 1996-06-17 1999-02-09 Motorola, Inc. Apparatus method, and software modem for utilizing envelope delay distortion characteristics to determine a symbol rate and a carrier frequency for data transfer
JPH1028088A (ja) * 1996-07-11 1998-01-27 Nec Corp 携帯電話無線基地局の試験用送受信装置
US5982752A (en) * 1997-04-25 1999-11-09 Mci Communications Corporation Method and apparatus for detecting multiplexing standard mismatches in communication networks
US6647058B1 (en) * 1997-06-23 2003-11-11 Paradyne Corporation Performance customization system and process for optimizing XDSL performance
US6005890A (en) * 1997-08-07 1999-12-21 Pittway Corporation Automatically adjusting communication system
US6021268A (en) * 1997-08-21 2000-02-01 Analytical Graphics, Inc. Method and apparatus for modeling receiver bandwidth for telecommunications analysis
US6167031A (en) * 1997-08-29 2000-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Method for selecting a combination of modulation and channel coding schemes in a digital communication system
US5991337A (en) * 1997-11-24 1999-11-23 3Com Corporation Method and apparatus for improving the signal-to-noise ratio of low-magnitude input signals in modems
US6775840B1 (en) 1997-12-19 2004-08-10 Cisco Technology, Inc. Method and apparatus for using a spectrum analyzer for locating ingress noise gaps
US6700875B1 (en) * 1998-03-31 2004-03-02 Motorola, Inc. System, device, and method for selecting a channel in a multichannel communication network
KR100548235B1 (ko) * 1998-12-15 2006-04-10 엘지전자 주식회사 반송파 주파수 결정 방법
US6574797B1 (en) * 1999-01-08 2003-06-03 Cisco Technology, Inc. Method and apparatus for locating a cleaner bandwidth in a frequency channel for data transmission
US7003078B2 (en) * 1999-01-29 2006-02-21 Sbc Knowledge Ventures, Lp Method and apparatus for telephone line testing
US6324167B1 (en) * 1999-02-23 2001-11-27 Ameritech Corporation Method and system for conveying multiple calls on a single telephone line
US6480315B1 (en) * 1999-08-06 2002-11-12 Nortel Networks Limited Method and apparatus for SNR measurement
US6418160B1 (en) 2000-03-29 2002-07-09 Sbc Technology Resources, Inc. Method for testing a communication channel
US6473597B1 (en) 2000-04-12 2002-10-29 Thomas M. Johnson Method and apparatus for modeling transmitter bandwidth for telecommunications analysis
JP2002245962A (ja) * 2000-12-12 2002-08-30 Jeol Ltd エレクトロスプレー・イオン源
US6541977B2 (en) * 2001-02-13 2003-04-01 Pulsar 2000, Inc. Electronic water line tracer
US7103637B2 (en) * 2001-03-16 2006-09-05 Emc Corporation Network file sharing method and system
JP2003070056A (ja) * 2001-08-28 2003-03-07 Ntt Docomo Inc 通信チャネル設定方法、通信制御装置及び無線通信システム
US7593511B2 (en) * 2001-11-19 2009-09-22 Alcatel Lucent Method for training line drivers in a communication system
JP3591726B2 (ja) * 2001-12-07 2004-11-24 ソニー株式会社 データ通信制御システム、送信機及び送信方法
US7620154B2 (en) 2002-12-23 2009-11-17 Cambron G Keith Equivalent working length determinative system for digital subscriber line circuits
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
US7768930B1 (en) * 2004-09-17 2010-08-03 Avaya Inc Method and apparatus for determining problems on digital systems using audible feedback
KR101606598B1 (ko) * 2009-09-30 2016-03-25 한국전자통신연구원 특이값 분해를 이용한 백색가우시안 잡음대역 결정 시스템 및 그 방법
US8225252B2 (en) * 2010-06-25 2012-07-17 Intel Corporation Systems, methods, apparatus and computer readable mediums for use in association with systems having interference
RU2705771C1 (ru) * 2019-03-27 2019-11-11 Акционерное общество "Калужский научно-исследовательский институт телемеханических устройств" Способ моделирования независимых и группирующихся ошибок канала связи

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DE4014766A1 (de) * 1990-04-19 1992-01-09 Siemens Ag Verfahren zum ermitteln von qualitaetsparametern einer uebertragungsstrecke fuer digitale datenstroeme mit zellenstruktur
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JP3135999B2 (ja) * 1992-09-18 2001-02-19 リーダー電子株式会社 Ｃｎ比測定装置
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Also Published As

Publication number Publication date
DE69623363D1 (de) 2002-10-10
JPH08265228A (ja) 1996-10-11
JP3945590B2 (ja) 2007-07-18
EP0731573B1 (fr) 2002-09-04
FR2731571A1 (fr) 1996-09-13
DE69623363T2 (de) 2003-06-26
US5802446A (en) 1998-09-01
EP0731573A1 (fr) 1996-09-11

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