ATE146922T1 - Viterbi-entzerrer mit einer variablen anzahl von zuständen - Google Patents

Viterbi-entzerrer mit einer variablen anzahl von zuständen

Info

Publication number
ATE146922T1
ATE146922T1 AT91309712T AT91309712T ATE146922T1 AT E146922 T1 ATE146922 T1 AT E146922T1 AT 91309712 T AT91309712 T AT 91309712T AT 91309712 T AT91309712 T AT 91309712T AT E146922 T1 ATE146922 T1 AT E146922T1
Authority
AT
Austria
Prior art keywords
states
variable number
viterbi equalizer
multipath interference
viterbi algorithm
Prior art date
Application number
AT91309712T
Other languages
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 ATE146922T1 publication Critical patent/ATE146922T1/de

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)
  • Filters That Use Time-Delay Elements (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Inorganic Insulating Materials (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AT91309712T 1991-01-24 1991-10-21 Viterbi-entzerrer mit einer variablen anzahl von zuständen ATE146922T1 (de)

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
ATE146922T1 true ATE146922T1 (de) 1997-01-15

Family

ID=10688951

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91309712T ATE146922T1 (de) 1991-01-24 1991-10-21 Viterbi-entzerrer mit einer variablen anzahl von zuständen

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
GB2271489B (en) * 1992-10-07 1996-04-24 Roke Manor Research Processing of digital communication signals
FR2696604B1 (fr) * 1992-10-07 1994-11-04 Alcatel Radiotelephone Dispositif d'estimation d'un canal de transmission.
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
ATE284108T1 (de) * 1998-11-09 2004-12-15 Broadcom Corp 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
DK0496152T3 (da) 1997-06-09
EP0496152A3 (en) 1993-05-05
DE69123830D1 (de) 1997-02-06
GB9101570D0 (en) 1991-03-06
DE69123830T2 (de) 1997-06-12
GB2252221B (en) 1995-01-18
EP0496152B1 (de) 1996-12-27
ES2095300T3 (es) 1997-02-16
GB2252221A (en) 1992-07-29
EP0496152A2 (de) 1992-07-29

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee