DE3750526T2 - Dekodierer. - Google Patents

Dekodierer.

Info

Publication number
DE3750526T2
DE3750526T2 DE3750526T DE3750526T DE3750526T2 DE 3750526 T2 DE3750526 T2 DE 3750526T2 DE 3750526 T DE3750526 T DE 3750526T DE 3750526 T DE3750526 T DE 3750526T DE 3750526 T2 DE3750526 T2 DE 3750526T2
Authority
DE
Germany
Prior art keywords
decoder
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
DE3750526T
Other languages
English (en)
Other versions
DE3750526D1 (de
Inventor
Hideo Mitsubishi Denki Yoshida
Tohru Mitsubishi Denki K Inoue
Atsuhiro Mitsubishi Yamagishi
Toshihisa Mitsubishi Nishijima
Yoshiaki Mitsubishi Denki Oda
Minoru Mitsubishi Denki Ozaki
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
Priority claimed from JP61141679A external-priority patent/JPS6379423A/ja
Priority claimed from JP16840286A external-priority patent/JPH0744467B2/ja
Priority claimed from JP61240685A external-priority patent/JPS6394720A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE3750526D1 publication Critical patent/DE3750526D1/de
Publication of DE3750526T2 publication Critical patent/DE3750526T2/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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/033—Theoretical methods to calculate these checking codes

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Error Detection And Correction (AREA)
DE3750526T 1986-06-18 1987-06-19 Dekodierer. Expired - Fee Related DE3750526T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61141679A JPS6379423A (ja) 1986-06-18 1986-06-18 チエンサ−チ回路
JP16840286A JPH0744467B2 (ja) 1986-07-17 1986-07-17 符号化回路
JP61240685A JPS6394720A (ja) 1986-10-08 1986-10-08 誤り訂正符号の復号化回路

Publications (2)

Publication Number Publication Date
DE3750526D1 DE3750526D1 (de) 1994-10-20
DE3750526T2 true DE3750526T2 (de) 1995-01-12

Family

ID=27318297

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3750526T Expired - Fee Related DE3750526T2 (de) 1986-06-18 1987-06-19 Dekodierer.

Country Status (4)

Country Link
US (1) US4841300A (de)
EP (1) EP0249982B1 (de)
CA (1) CA1291819C (de)
DE (1) DE3750526T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625055B1 (fr) * 1987-12-17 1993-09-24 Alcatel Thomson Faisceaux Procede de detection d'effacements affectant une liaison hertzienne numerique et chaine de reception mettant en oeuvre un tel procede
EP0413856B1 (de) * 1989-08-24 1994-12-21 Koninklijke Philips Electronics N.V. Verfahren und Einrichtung zur Decodierung von wortgeschützten Codewörtern durch einen nichtbinären BCH-Code gegen mindestens einen Symbolfehler
US5099482A (en) * 1989-08-30 1992-03-24 Idaho Research Foundation, Inc. Apparatus for detecting uncorrectable error patterns when using Euclid's algorithm to decode Reed-Solomon (BCH) codes
JP2504312B2 (ja) * 1990-08-29 1996-06-05 三菱電機株式会社 プライオリティエンコ―ダ及びそれを備えたデ―タ処理装置
US5343481A (en) * 1991-01-07 1994-08-30 Kraft Clifford H BCH error-location polynomial decoder
EP0611054B1 (de) * 1993-01-22 1998-04-08 Canon Kabushiki Kaisha Vorrichtung und Verfahren zur Ableitung von Polynomialmengen
US5517509A (en) * 1993-03-31 1996-05-14 Kabushiki Kaisha Toshiba Decoder for decoding ECC using Euclid's algorithm
US5463642A (en) * 1993-06-29 1995-10-31 Mitsubishi Semiconductor America, Inc. Method and apparatus for determining error location
JP3160448B2 (ja) * 1993-11-30 2001-04-25 富士通株式会社 データ訂正装置
US5642367A (en) * 1994-02-07 1997-06-24 Mitsubishi Semiconductor America, Inc. Finite field polynomial processing module for error control coding
JPH10112659A (ja) * 1996-10-08 1998-04-28 Canon Inc 誤り訂正復号装置
JP3850511B2 (ja) * 1997-05-07 2006-11-29 日本テキサス・インスツルメンツ株式会社 リードソロモン復号装置
US6154868A (en) * 1997-07-18 2000-11-28 International Business Machines Corporation Method and means for computationally efficient on-the-fly error correction in linear cyclic codes using ultra-fast error location
US6154869A (en) * 1998-02-03 2000-11-28 Texas Instruments Incorporated Combined error position circuit and chien search circuit for reed-solomon decoding
US6374383B1 (en) * 1999-06-07 2002-04-16 Maxtor Corporation Determining error locations using error correction codes
EP1460765A1 (de) * 2003-03-19 2004-09-22 STMicroelectronics S.r.l. Fehlerkorrekturmethode für als Symbolsequenz codierte digitale Daten
JP4891704B2 (ja) * 2006-08-28 2012-03-07 株式会社東芝 半導体記憶装置
JP5259343B2 (ja) * 2008-10-31 2013-08-07 株式会社東芝 メモリ装置
US9954553B1 (en) * 2015-06-05 2018-04-24 Altera Corporation Circuitry and methods for continuous parallel decoder operation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099160A (en) * 1976-07-15 1978-07-04 International Business Machines Corporation Error location apparatus and methods
US4162480A (en) * 1977-01-28 1979-07-24 Cyclotomics, Inc. Galois field computer
US4142174A (en) * 1977-08-15 1979-02-27 International Business Machines Corporation High speed decoding of Reed-Solomon codes
US4389636A (en) * 1980-11-03 1983-06-21 Riddle H S Jun Encoding/decoding syncronization technique
JPS5992688A (ja) * 1982-11-19 1984-05-28 Fuji Photo Film Co Ltd 適応形画像圧縮方式
US4567594A (en) * 1983-06-07 1986-01-28 Burroughs Corporation Reed-Solomon error detecting and correcting system employing pipelined processors
US4605921A (en) * 1983-06-20 1986-08-12 Riddle Herbert S Digital word-framing technique and system
US4584686A (en) * 1983-12-22 1986-04-22 Optical Storage International Reed-Solomon error correction apparatus
JPH071876B2 (ja) * 1983-12-29 1995-01-11 ソニー株式会社 Ｂｃｈ符号の復号装置
US4649541A (en) * 1984-11-21 1987-03-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Reed-Solomon decoder

Also Published As

Publication number Publication date
EP0249982B1 (de) 1994-09-14
EP0249982A3 (en) 1990-12-27
DE3750526D1 (de) 1994-10-20
CA1291819C (en) 1991-11-05
EP0249982A2 (de) 1987-12-23
US4841300A (en) 1989-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee