SG97857A1 - Method and arrangement to estimate transmission channel characteristics - Google Patents

Method and arrangement to estimate transmission channel characteristics

Info

Publication number
SG97857A1
SG97857A1 SG200001146A SG200001146A SG97857A1 SG 97857 A1 SG97857 A1 SG 97857A1 SG 200001146 A SG200001146 A SG 200001146A SG 200001146 A SG200001146 A SG 200001146A SG 97857 A1 SG97857 A1 SG 97857A1
Authority
SG
Singapore
Prior art keywords
arrangement
transmission channel
channel characteristics
estimate transmission
estimate
Prior art date
Application number
SG200001146A
Other languages
English (en)
Inventor
Frank Ryckebusch
Stan Claes
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of SG97857A1 publication Critical patent/SG97857A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • 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
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317—Testing of digital circuits
    • G01R31/31712—Input or output aspects
    • G01R31/31717—Interconnect testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/305—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance
    • H04M3/306—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop testing of physical copper line parameters, e.g. capacitance or resistance for frequencies above the voice frequency, e.g. xDSL line qualification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
SG200001146A 1999-03-31 2000-03-02 Method and arrangement to estimate transmission channel characteristics SG97857A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99400793A EP1041731B1 (en) 1999-03-31 1999-03-31 Method and arrangement to estimate transmission channel characteristics

Publications (1)

Publication Number Publication Date
SG97857A1 true SG97857A1 (en) 2003-08-20

Family

ID=8241937

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200001146A SG97857A1 (en) 1999-03-31 2000-03-02 Method and arrangement to estimate transmission channel characteristics

Country Status (10)

Country Link
US (3) US6606719B1 (es)
EP (2) EP1699143B1 (es)
JP (1) JP2000332662A (es)
CN (2) CN1171403C (es)
AU (1) AU1957200A (es)
CA (1) CA2300398A1 (es)
DE (2) DE69938070T2 (es)
ES (2) ES2262295T3 (es)
IL (1) IL134793A0 (es)
SG (1) SG97857A1 (es)

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EP1699143B1 (en) * 1999-03-31 2008-01-23 Alcatel Lucent Method and arrangement to estimate transmission channel characteristics
ES2407155T3 (es) 2000-01-07 2013-06-12 Aware, Inc. Sistemas y métodos para la determinación de la longitud del bucle y la longitud de tomas puenteadas de una línea de transmisión
DK1245093T3 (da) 2000-01-07 2006-11-20 Aware Inc Diagnostiske fremgangsmåder og systemer til multicarrier-modemmer
EP2267914A3 (en) 2000-01-07 2012-09-26 Aware, Inc. Systems and methods for loop length and bridged tap length determination of a transmission line
KR20020087990A (ko) 2000-04-18 2002-11-23 어웨어, 인크. 가변 신호대 잡음비 실행한계를 갖는 데이터 할당
FR2820908B1 (fr) * 2001-02-15 2004-06-25 Sagem Modem adaptatif comportant une chaine de reception de signaux de symboles numeriques
EP1382188A2 (en) 2001-04-26 2004-01-21 Aware, Inc. Systems and methods for loop characterization from double-ended measurements
AU2002339858A1 (en) 2001-08-31 2003-03-18 Adaptive Networks, Inc. Communicating data using wideband communications
US7106833B2 (en) * 2002-11-19 2006-09-12 Telcordia Technologies, Inc. Automated system and method for management of digital subscriber lines
FR2861928B1 (fr) * 2003-10-31 2007-02-02 Wavecom Procede de transmission d'une estimation d'au moins un canal de propagation d'un recepteur vers un emetteur, emetteur et recepteur correspondants
US7302379B2 (en) * 2003-12-07 2007-11-27 Adaptive Spectrum And Signal Alignment, Inc. DSL system estimation and parameter recommendation
US7809116B2 (en) * 2003-12-07 2010-10-05 Adaptive Spectrum And Signal Alignment, Inc. DSL system estimation including known DSL line scanning and bad splice detection capability
FR2861927B1 (fr) * 2004-12-07 2006-05-05 Wavecom Procede de transmission d'une estimation d'au moins un canal de propagation d'un recepteur vers un emetteur, emetteur et recepteur correspondants
US7839775B2 (en) * 2005-03-15 2010-11-23 Cornell Research Foundation, Inc. Methods and systems for channel sensing multiple access communications with multipacket reception
US7623630B2 (en) * 2005-04-08 2009-11-24 Ikanos Communications, Inc. Double-ended line probing (DELP) for DSL systems
CA2614936A1 (en) * 2005-07-10 2007-01-18 Adaptive Spectrum And Signal Alignment, Inc. Dsl system estimation
US20070253443A1 (en) * 2006-04-27 2007-11-01 Sbc Knowledge Ventures L.P. Data services over G.SHDSL transport infrastructure
US7881403B2 (en) * 2006-10-10 2011-02-01 Futurewei Technologies, Inc. System for realizing emergency rate adjustment
WO2008085093A1 (en) * 2007-01-10 2008-07-17 Telefonaktiebolaget Lm Ericsson (Publ) Method for classifying radio channels
FI121980B (fi) * 2007-02-16 2011-06-30 Voyantic Oy Menetelmä radiolinkin karakterisoimiseksi
US8078928B2 (en) * 2007-10-12 2011-12-13 Oracle America, Inc. System and method for verifying the transmit path of an input/output component
CN101562487B (zh) * 2008-04-18 2013-09-11 华为技术有限公司 频谱优化方法、装置及数字用户线系统
CN101572569B (zh) * 2008-05-04 2013-01-23 华为技术有限公司 一种线路拓扑管理方法、系统及相关装置
CN101277129A (zh) * 2008-05-26 2008-10-01 杭州华三通信技术有限公司 基带epcn系统中下行通道的衰减检测方法和设备
US8352577B2 (en) * 2008-07-22 2013-01-08 Lockheed Martin Corporation Method and apparatus for updating information on an embedded system
CN102624578A (zh) * 2011-11-28 2012-08-01 江苏奇异点网络有限公司 支持局域网离线的计算机硬件信息自适应监测方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0465089A2 (en) * 1990-07-03 1992-01-08 AT&T Corp. Automated channel test unit
US5644573A (en) * 1995-01-20 1997-07-01 Amati Communications Corporation Methods for coordinating upstream discrete multi-tone data transmissions
US5812786A (en) * 1995-06-21 1998-09-22 Bell Atlantic Network Services, Inc. Variable rate and variable mode transmission system

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US4105995A (en) 1976-06-16 1978-08-08 Hewlett-Packard Company Digitally controlled transmission impairment measuring apparatus
US4512034A (en) * 1983-07-11 1985-04-16 At&T Bell Laboratories Technique for digital radio space diversity combining
US4995057A (en) * 1988-11-02 1991-02-19 At&T Bell Laboratories Technique for achieving the theoretical coding gain of digital signals incorporating error correction
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US5361402A (en) * 1992-03-30 1994-11-01 Motorola, Inc. Test device for analyzing communication channels in a trunked radio system
AU5550694A (en) * 1992-11-06 1994-06-08 Pericle Communications Company Adaptive data rate modem
US5479650A (en) * 1992-12-24 1995-12-26 At&T Corp. Method and apparatus for switching communications from a secondary channel to a primary channel
GB2298338B (en) * 1995-02-15 1999-09-29 Motorola Ltd A method for reverse channel sounding in a communications system
US6865232B1 (en) * 1996-09-02 2005-03-08 Stmicroelectronics N.V. Multi-carrier transmission systems
US5933421A (en) * 1997-02-06 1999-08-03 At&T Wireless Services Inc. Method for frequency division duplex communications
US6873652B1 (en) * 1998-04-01 2005-03-29 Panasonic Communications Co., Ltd. Activation of multiple xDSL modems with implicit channel probe
EP1699143B1 (en) * 1999-03-31 2008-01-23 Alcatel Lucent Method and arrangement to estimate transmission channel characteristics
US6473871B1 (en) * 1999-08-31 2002-10-29 Sun Microsystems, Inc. Method and apparatus for HASS testing of busses under programmable control
US6685232B2 (en) * 2001-09-06 2004-02-03 Franklin Fastener Company Banjo clip for flange head flow bolt

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0465089A2 (en) * 1990-07-03 1992-01-08 AT&T Corp. Automated channel test unit
US5644573A (en) * 1995-01-20 1997-07-01 Amati Communications Corporation Methods for coordinating upstream discrete multi-tone data transmissions
US5812786A (en) * 1995-06-21 1998-09-22 Bell Atlantic Network Services, Inc. Variable rate and variable mode transmission system

Also Published As

Publication number Publication date
US20070288806A1 (en) 2007-12-13
ES2297817T3 (es) 2008-05-01
ES2262295T3 (es) 2006-11-16
DE69938070D1 (de) 2008-03-13
US7216268B2 (en) 2007-05-08
EP1041731B1 (en) 2006-06-14
EP1041731A1 (en) 2000-10-04
CN1171403C (zh) 2004-10-13
DE69931889D1 (de) 2006-07-27
DE69938070T2 (de) 2009-01-15
US7653843B2 (en) 2010-01-26
CN1272006A (zh) 2000-11-01
US6606719B1 (en) 2003-08-12
EP1699143B1 (en) 2008-01-23
IL134793A0 (en) 2001-04-30
CN1536862A (zh) 2004-10-13
AU1957200A (en) 2000-10-05
DE69931889T2 (de) 2007-04-05
JP2000332662A (ja) 2000-11-30
US20030193902A1 (en) 2003-10-16
EP1699143A2 (en) 2006-09-06
EP1699143A3 (en) 2007-05-23
CA2300398A1 (en) 2000-09-30

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