ES2095300T3 - Ecualizador de viterbi con numero variable de estados. - Google Patents

Ecualizador de viterbi con numero variable de estados.

Info

Publication number
ES2095300T3
ES2095300T3 ES91309712T ES91309712T ES2095300T3 ES 2095300 T3 ES2095300 T3 ES 2095300T3 ES 91309712 T ES91309712 T ES 91309712T ES 91309712 T ES91309712 T ES 91309712T ES 2095300 T3 ES2095300 T3 ES 2095300T3
Authority
ES
Spain
Prior art keywords
states
variable number
viterbi equalizer
multipath interference
viterbi algorithm
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
ES91309712T
Other languages
English (en)
Inventor
Patrick Hugh Waters
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Application granted granted Critical
Publication of ES2095300T3 publication Critical patent/ES2095300T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length

Abstract

SE PRESENTA UN ECUALIZADOR DEL TIPO DE LOS QUE USA UN ALGORITMO "VITERBI" PARA EL PROCESAMIENTO DE SEÑALES PARA REDUCIR LOS EFECTOS DE LA INTERFERENCIA MULTI LINEA, EL ECUALIZADOR COMPRENDE MEDIOS PARA MEDIR LA DURACION DE LA INTERFERENCIA MULTI LINEA, MEDIOS PROCESADORES DE SEÑAL QUE FUNCIONAN DE ACUERDO CON EL ALGORITMO "VITERBI" Y QUE TIENE UN NUMERO SELECCIONADO DE ESTADOS, Y MEDIOS PARA ADAPTAR EL NUMERO DE ESTADOS DEPENDIENDO DE LA DURACION DE LA INTERFERENCIA MULTI LINEA A MEDIDA QUE SE MIDE.
ES91309712T 1991-01-24 1991-10-21 Ecualizador de viterbi con numero variable de estados. Expired - Lifetime ES2095300T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9101570A GB2252221B (en) 1991-01-24 1991-01-24 Improvements in or relating to equalisers for digital radio communication systems

Publications (1)

Publication Number Publication Date
ES2095300T3 true ES2095300T3 (es) 1997-02-16

Family

ID=10688951

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91309712T Expired - Lifetime ES2095300T3 (es) 1991-01-24 1991-10-21 Ecualizador de viterbi con numero variable de estados.

Country Status (6)

Country Link
EP (1) EP0496152B1 (es)
AT (1) ATE146922T1 (es)
DE (1) DE69123830T2 (es)
DK (1) DK0496152T3 (es)
ES (1) ES2095300T3 (es)
GB (1) GB2252221B (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696604B1 (fr) * 1992-10-07 1994-11-04 Alcatel Radiotelephone Dispositif d'estimation d'un canal de transmission.
GB2271489B (en) * 1992-10-07 1996-04-24 Roke Manor Research Processing of digital communication signals
GB2271916B (en) * 1992-10-23 1996-05-22 Roke Manor Research Improvements in or relating to digital radio communication systems
JPH06140951A (ja) * 1992-10-27 1994-05-20 Sony Corp ビタビ等化器
JP2669350B2 (ja) * 1994-07-07 1997-10-27 日本電気株式会社 状態数可変最尤系列推定器
US5905742A (en) * 1995-12-27 1999-05-18 Ericsson Inc. Method and apparauts for symbol decoding
US6185259B1 (en) 1996-06-12 2001-02-06 Ericsson Inc. Transmitter/receiver for GMSK and offset-QAM
JP3266052B2 (ja) * 1997-06-06 2002-03-18 日本電気株式会社 データ受信装置
EP0954142A1 (en) * 1998-04-28 1999-11-03 Lucent Technologies Inc. Channel estimation using a sliding window technique
US6373888B1 (en) 1998-10-09 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Estimated channel with variable number of taps
DE69922405T2 (de) * 1998-11-09 2006-01-12 Broadcom Corp., Irvine Verfahren und system zur entscheidungrückgekoppelten dekodierung
US6477200B1 (en) 1998-11-09 2002-11-05 Broadcom Corporation Multi-pair gigabit ethernet transceiver
US6542560B1 (en) * 1999-04-23 2003-04-01 Lucent Technologies Inc. Method of channel estimation and compensation based thereon
US7116735B2 (en) 2000-11-01 2006-10-03 Ntt Docomo, Inc. Adaptive equalization apparatus and method
US6714607B2 (en) * 2001-12-20 2004-03-30 Sbc Technology Resources, Inc. Joint demodulation using a viterbi equalizer having an adaptive total number of states
EP1401164A1 (en) * 2002-09-19 2004-03-24 Telefonaktiebolaget Lm Ericsson Bandwith estimation and adaptive filtering
KR100802619B1 (ko) 2002-11-07 2008-02-13 엘지전자 주식회사 무선 링크 제어 프로토콜에 따르는 수신기에서의 알엘씨데이터 수신 윈도우 처리 방법
DE10326283A1 (de) * 2003-06-11 2005-01-13 Siemens Ag Verfahren zur Bestimmung von Kanalkoeffizienten eines Datenübertragungskanals

Also Published As

Publication number Publication date
DE69123830T2 (de) 1997-06-12
EP0496152B1 (en) 1996-12-27
EP0496152A2 (en) 1992-07-29
DE69123830D1 (de) 1997-02-06
EP0496152A3 (en) 1993-05-05
GB2252221A (en) 1992-07-29
GB2252221B (en) 1995-01-18
DK0496152T3 (da) 1997-06-09
ATE146922T1 (de) 1997-01-15
GB9101570D0 (en) 1991-03-06

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