DE68907150D1 - Sequentieller dekodierer. - Google Patents

Sequentieller dekodierer.

Info

Publication number
DE68907150D1
DE68907150D1 DE8989115740T DE68907150T DE68907150D1 DE 68907150 D1 DE68907150 D1 DE 68907150D1 DE 8989115740 T DE8989115740 T DE 8989115740T DE 68907150 T DE68907150 T DE 68907150T DE 68907150 D1 DE68907150 D1 DE 68907150D1
Authority
DE
Germany
Prior art keywords
sequential decoder
decoder
sequential
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
DE8989115740T
Other languages
English (en)
Other versions
DE68907150T2 (de
Inventor
Kaneyasu Shimoda
Yuzo Ageno
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE68907150D1 publication Critical patent/DE68907150D1/de
Application granted granted Critical
Publication of DE68907150T2 publication Critical patent/DE68907150T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE89115740T 1988-08-25 1989-08-25 Sequentieller Dekodierer. Expired - Fee Related DE68907150T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63209512A JP2531533B2 (ja) 1988-08-25 1988-08-25 逐次復号器

Publications (2)

Publication Number Publication Date
DE68907150D1 true DE68907150D1 (de) 1993-07-22
DE68907150T2 DE68907150T2 (de) 1993-12-02

Family

ID=16574024

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89115740T Expired - Fee Related DE68907150T2 (de) 1988-08-25 1989-08-25 Sequentieller Dekodierer.

Country Status (5)

Country Link
US (1) US5014275A (de)
EP (1) EP0355850B1 (de)
JP (1) JP2531533B2 (de)
CA (1) CA1320582C (de)
DE (1) DE68907150T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911999A1 (de) * 1989-04-12 1990-10-18 Philips Patentverwaltung Uebertragungssystem
US5230003A (en) * 1991-02-08 1993-07-20 Ericsson-Ge Mobile Communications Holding, Inc. Decoding system for distinguishing different types of convolutionally-encoded signals
US5428646A (en) * 1992-12-24 1995-06-27 Motorola, Inc. Device and method for frame synchronization in a multi-level trellis coding system
US5586128A (en) * 1994-11-17 1996-12-17 Ericsson Ge Mobile Communications Inc. System for decoding digital data using a variable decision depth
JPH08167919A (ja) * 1994-12-13 1996-06-25 Nec Corp ディジタル復調装置
US6026121A (en) * 1997-07-25 2000-02-15 At&T Corp Adaptive per-survivor processor
US6134277A (en) * 1997-09-04 2000-10-17 Ericsson Inc System and method for self-adaptive maximum likelihood sequence detection
US6725417B2 (en) * 2000-03-14 2004-04-20 Machine Learning Laboratory, Inc. Sequential decoding apparatus and method
JP3737388B2 (ja) * 2000-06-21 2006-01-18 株式会社 機械学習研究所 最尤符号探索装置及び方法
US6741981B2 (en) * 2001-03-02 2004-05-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration (Nasa) System, method and apparatus for conducting a phrase search
US6823333B2 (en) * 2001-03-02 2004-11-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration System, method and apparatus for conducting a keyterm search
JP4923347B2 (ja) * 2001-07-25 2012-04-25 パナソニック株式会社 薄膜シートの製造方法
US7298798B1 (en) * 2001-08-24 2007-11-20 Mediatek, Inc. Method and system for decoding block codes
US7712013B2 (en) * 2005-03-18 2010-05-04 Intel Corporation Block decoding methods and apparatus
JP2007175720A (ja) * 2005-12-27 2007-07-12 Yamada Dobby Co Ltd エキスパンドメタルの製造方法と装置
KR101134064B1 (ko) * 2007-05-14 2012-04-13 삼성전자주식회사 오류 제어 코드의 펑쳐링 장치 및 방법
JP6405417B1 (ja) 2017-06-22 2018-10-17 株式会社小林製作所 コンタクトロール

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457562A (en) * 1964-06-22 1969-07-22 Massachusetts Inst Technology Error correcting sequential decoder
US3815028A (en) * 1972-08-09 1974-06-04 Itt Maximum-likelihood detection system
US4015238A (en) * 1975-11-24 1977-03-29 Harris Corporation Metric updater for maximum likelihood decoder
GB8315363D0 (en) * 1983-06-03 1983-07-06 Gordon J A Decoding errorcorrecting codes
US4669084A (en) * 1985-05-23 1987-05-26 Harris Corporation Error correction processing scheme for sequential codec
US4730322A (en) * 1985-09-27 1988-03-08 California Institute Of Technology Method and apparatus for implementing a maximum-likelihood decoder in a hypercube network
JPS62183226A (ja) * 1986-02-07 1987-08-11 Fujitsu Ltd シ−ケンシャル復号器
CA1260143A (en) * 1986-02-24 1989-09-26 Atsushi Yamashita Path trace viterbi decoder

Also Published As

Publication number Publication date
EP0355850A2 (de) 1990-02-28
JP2531533B2 (ja) 1996-09-04
EP0355850B1 (de) 1993-06-16
JPH0258927A (ja) 1990-02-28
CA1320582C (en) 1993-07-20
EP0355850A3 (en) 1990-07-18
US5014275A (en) 1991-05-07
DE68907150T2 (de) 1993-12-02

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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