DK0496152T3 - Viterbi equalizer med et variabelt antal tilstande - Google Patents

Viterbi equalizer med et variabelt antal tilstande

Info

Publication number
DK0496152T3
DK0496152T3 DK91309712.7T DK91309712T DK0496152T3 DK 0496152 T3 DK0496152 T3 DK 0496152T3 DK 91309712 T DK91309712 T DK 91309712T DK 0496152 T3 DK0496152 T3 DK 0496152T3
Authority
DK
Denmark
Prior art keywords
modes
variable number
viterbi equalizer
multipath interference
states
Prior art date
Application number
DK91309712.7T
Other languages
Danish (da)
English (en)
Inventor
Patrick Hugh Waters
Original Assignee
Roke Manor Research
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 filed Critical Roke Manor Research
Application granted granted Critical
Publication of DK0496152T3 publication Critical patent/DK0496152T3/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Error Detection And Correction (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Circuits Of Receivers In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Dc Digital Transmission (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Inorganic Insulating Materials (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Noise Elimination (AREA)
DK91309712.7T 1991-01-24 1991-10-21 Viterbi equalizer med et variabelt antal tilstande DK0496152T3 (da)

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
DK0496152T3 true DK0496152T3 (da) 1997-06-09

Family

ID=10688951

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91309712.7T DK0496152T3 (da) 1991-01-24 1991-10-21 Viterbi equalizer med et variabelt antal tilstande

Country Status (6)

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

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 (de) * 1998-04-28 1999-11-03 Lucent Technologies Inc. Kanalschätzung unter Verwendung einer Gleitfenstertechnik
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
DE60131824T2 (de) * 2000-11-01 2008-11-27 Ntt Docomo Inc. Rückgewinnung des Symboltaktes
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 (de) * 2002-09-19 2004-03-24 Telefonaktiebolaget Lm Ericsson Bandbreitenabschätzung und adaptive Filterung
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
ATE146922T1 (de) 1997-01-15
DE69123830D1 (de) 1997-02-06
EP0496152A2 (de) 1992-07-29
EP0496152B1 (de) 1996-12-27
ES2095300T3 (es) 1997-02-16
GB2252221B (en) 1995-01-18
GB9101570D0 (en) 1991-03-06
GB2252221A (en) 1992-07-29
DE69123830T2 (de) 1997-06-12
EP0496152A3 (en) 1993-05-05

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