DE69803250T2 - Kanalimpulsantwortschätzer für einen Viterbi-Equaliser - Google Patents

Kanalimpulsantwortschätzer für einen Viterbi-Equaliser

Info

Publication number
DE69803250T2
DE69803250T2 DE69803250T DE69803250T DE69803250T2 DE 69803250 T2 DE69803250 T2 DE 69803250T2 DE 69803250 T DE69803250 T DE 69803250T DE 69803250 T DE69803250 T DE 69803250T DE 69803250 T2 DE69803250 T2 DE 69803250T2
Authority
DE
Germany
Prior art keywords
impulse response
channel impulse
viterbi equalizer
response estimator
estimator
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 - Fee Related
Application number
DE69803250T
Other languages
English (en)
Other versions
DE69803250D1 (de
Inventor
Kazuo Tanada
Hiroshi Kubo
Keishi Murakami
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69803250D1 publication Critical patent/DE69803250D1/de
Publication of DE69803250T2 publication Critical patent/DE69803250T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Correction Of Errors (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69803250T 1997-07-23 1998-01-26 Kanalimpulsantwortschätzer für einen Viterbi-Equaliser Expired - Fee Related DE69803250T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9196689A JPH1141115A (ja) 1997-07-23 1997-07-23 ディジタルデータ復調装置

Publications (2)

Publication Number Publication Date
DE69803250D1 DE69803250D1 (de) 2002-02-21
DE69803250T2 true DE69803250T2 (de) 2002-07-25

Family

ID=16361966

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803250T Expired - Fee Related DE69803250T2 (de) 1997-07-23 1998-01-26 Kanalimpulsantwortschätzer für einen Viterbi-Equaliser

Country Status (4)

Country Link
US (1) US6219388B1 (de)
EP (1) EP0895383B1 (de)
JP (1) JPH1141115A (de)
DE (1) DE69803250T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370397B1 (en) * 1998-05-01 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Search window delay tracking in code division multiple access communication systems
US6973615B1 (en) * 2000-12-15 2005-12-06 Conexant Systems, Inc. System of and method for decoding trellis codes
GB2371953A (en) * 2001-01-31 2002-08-07 Matsushita Comm Ind Uk Ltd Viterbi equalizer which compares received data with predicted data based on the channel response estimate to generate path metrics
US7017104B1 (en) * 2001-08-24 2006-03-21 Mediatek Inc. Method and system for decoding block codes by calculating a path metric according to a decision feedback sequence estimation algorithm
US7024206B2 (en) 2003-04-24 2006-04-04 Matsushita Electric Industrial Co., Ltd. Mobile terminal apparatus capable of resuming an interrupted application
US8904266B2 (en) * 2010-08-10 2014-12-02 Nxp, B.V. Multi-standard viterbi processor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62105531A (ja) * 1985-11-01 1987-05-16 Kokusai Denshin Denwa Co Ltd <Kdd> 逐次復号誤り訂正方式
US5117427A (en) 1988-03-03 1992-05-26 Mitsubishi Denki Kabushiki Kaisha Communication system with concatenated coding error correction
JPH03195129A (ja) * 1989-12-22 1991-08-26 Mitsubishi Electric Corp 最尤系列推定装置
CA2039373C (en) * 1990-03-30 1996-09-10 Kazuhiro Okanoue Digital data communication system with adaptive channel response estimation
CA2048210C (en) 1990-07-31 1995-11-28 Yukitsuna Furuya Blind type sequence estimator for use in communications system
SE469052B (sv) * 1991-09-10 1993-05-03 Ericsson Telefon Ab L M Foerfarande att bilda ett kanalestimat foer en tidsvarierande radiokanal
JP2876856B2 (ja) 1991-10-31 1999-03-31 日本電気株式会社 系列推定方法および装置
JPH06140951A (ja) 1992-10-27 1994-05-20 Sony Corp ビタビ等化器
DE69432100T2 (de) 1993-11-05 2003-09-25 Nippon Telegraph & Telephone Replikherstellendes adaptives demodulationsverfahren und dieses verwendender demodulator
JP2846959B2 (ja) * 1993-12-15 1999-01-13 エヌ・ティ・ティ移動通信網株式会社 適応等化器
US5550870A (en) * 1994-03-02 1996-08-27 Lucent Technologies Inc. Viterbi processor
JP3674111B2 (ja) * 1995-10-25 2005-07-20 三菱電機株式会社 データ伝送装置

Also Published As

Publication number Publication date
JPH1141115A (ja) 1999-02-12
EP0895383A3 (de) 1999-02-10
EP0895383A2 (de) 1999-02-03
US6219388B1 (en) 2001-04-17
EP0895383B1 (de) 2001-11-21
DE69803250D1 (de) 2002-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee