SE8403269L - Avkodare for avkodning av kodord som er blockvis skyddade mot upptredandet av ett flertal symbolfel inom ett block medelst en reed-solomon-kod samt avlesningsanordning for optiskt lesbara uppteckningsberare som innefatt - Google Patents

Avkodare for avkodning av kodord som er blockvis skyddade mot upptredandet av ett flertal symbolfel inom ett block medelst en reed-solomon-kod samt avlesningsanordning for optiskt lesbara uppteckningsberare som innefatt

Info

Publication number
SE8403269L
SE8403269L SE8403269D SE8403269D SE8403269L SE 8403269 L SE8403269 L SE 8403269L SE 8403269 D SE8403269 D SE 8403269D SE 8403269 D SE8403269 D SE 8403269D SE 8403269 L SE8403269 L SE 8403269L
Authority
SE
Sweden
Prior art keywords
blockwise
recorders
decoders
reed
appearance
Prior art date
Application number
SE8403269D
Other languages
English (en)
Swedish (sv)
Other versions
SE8403269D0 (sv
Inventor
C P M J Baggen
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE8403269D0 publication Critical patent/SE8403269D0/xx
Publication of SE8403269L publication Critical patent/SE8403269L/xx

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
    • H03M13/1575—Direct decoding, e.g. by a direct determination of the error locator polynomial from syndromes and subsequent analysis or by matrix operations involving syndromes, e.g. for codes with a small minimum Hamming distance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • 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
    • 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
    • H03M13/3707—Adaptive decoding and hybrid decoding, e.g. decoding methods or techniques providing more than one decoding algorithm for one code

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
SE8403269D 1983-06-22 1984-06-19 Avkodare for avkodning av kodord som er blockvis skyddade mot upptredandet av ett flertal symbolfel inom ett block medelst en reed-solomon-kod samt avlesningsanordning for optiskt lesbara uppteckningsberare som innefatt SE8403269L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8302214A NL8302214A (nl) 1983-06-22 1983-06-22 Dekodeerinrichting voor het dekoderen van kodewoorden die bloksgewijs middels een reed-solomon-code tegen meerdere symboolfouten per blok beschermd zijn, en uitleesinrichting voor optisch uitleesbare opslaglichamen welke uitleesinrichting voorzien is van zo een dekodeerinrichting.

Publications (2)

Publication Number Publication Date
SE8403269D0 SE8403269D0 (sv) 1984-06-19
SE8403269L true SE8403269L (sv) 1984-12-23

Family

ID=19842050

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8403269D SE8403269L (sv) 1983-06-22 1984-06-19 Avkodare for avkodning av kodord som er blockvis skyddade mot upptredandet av ett flertal symbolfel inom ett block medelst en reed-solomon-kod samt avlesningsanordning for optiskt lesbara uppteckningsberare som innefatt
SE8403269A SE460243B (sv) 1983-06-22 1984-06-19 Foerfarande och apparat foer avkodning av kodord som aer blockvis skyddade mot upptraedande av ett flertal symbolfel inom ett block medelst en reed-solomon-kod

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE8403269A SE460243B (sv) 1983-06-22 1984-06-19 Foerfarande och apparat foer avkodning av kodord som aer blockvis skyddade mot upptraedande av ett flertal symbolfel inom ett block medelst en reed-solomon-kod

Country Status (8)

Country Link
US (1) US4642808A (xx)
JP (1) JPS6037833A (xx)
CA (1) CA1220865A (xx)
DE (1) DE3422461A1 (xx)
FR (1) FR2549319B1 (xx)
GB (1) GB2142752B (xx)
NL (1) NL8302214A (xx)
SE (2) SE8403269L (xx)

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JPH0728227B2 (ja) * 1985-06-07 1995-03-29 ソニー株式会社 Ｂｃｈ符号の復号装置
WO1987006368A1 (en) * 1986-04-11 1987-10-22 Ampex Corporation Apparatus and method for encoding and decoding attribute data into error checking symbols of main data
US5003539A (en) * 1986-04-11 1991-03-26 Ampex Corporation Apparatus and method for encoding and decoding attribute data into error checking symbols of main data
US4763330A (en) * 1986-05-06 1988-08-09 Mita Industrial Co., Ltd. Syndrome calculating apparatus
US4730321A (en) * 1986-05-30 1988-03-08 Quantum Corporation Disk drive with improved error correction code
EP0282877B1 (de) * 1987-03-10 1991-12-18 Siemens Nixdorf Informationssysteme Aktiengesellschaft Verfahren und Einrichtung zur Steuerung der Fehlerkorrektur innerhalb einer Datenübertragungssteuerung bei von bewegten peripheren Speichern, insbesondere Plattenspeichern, eines Datenverarbeitungssystems gelesenen Daten
US4845713A (en) * 1987-06-08 1989-07-04 Exabyte Corporation Method and apparatus for determining the coefficients of a locator polynomial
US5001715A (en) * 1988-05-12 1991-03-19 Digital Equipment Corporation Error location system
ATE116081T1 (de) * 1989-08-24 1995-01-15 Philips Nv Verfahren und einrichtung zur decodierung von wortgeschützten codewörtern durch einen nichtbinären bch-code gegen mindestens einen symbolfehler.
JP3154607B2 (ja) * 1993-12-28 2001-04-09 三菱電機株式会社 誤り訂正復号装置及び誤り訂正復号方法
US6023782A (en) * 1996-12-13 2000-02-08 International Business Machines Corporation RAM based key equation solver apparatus
US6173429B1 (en) * 1997-03-14 2001-01-09 Harris Corporation Apparatus for providing error correction data in a digital data transfer system
US6704902B1 (en) * 1998-09-07 2004-03-09 Sony Corporation Decoding system for error correction code
US6279137B1 (en) 1998-12-08 2001-08-21 Lsi Logic Corporation System and method for a storage-efficient parallel Chien Search
US6175941B1 (en) * 1998-12-08 2001-01-16 Lsi Logic Corporation Error correction apparatus and associated method utilizing parellel processing
US6961879B1 (en) * 2000-05-23 2005-11-01 Zoran Corporation Apparatus and method for counting error rates in an optical compact disc storage system
US7865806B2 (en) * 2006-03-03 2011-01-04 Peter Lablans Methods and apparatus in finite field polynomial implementations
US20140055290A1 (en) 2003-09-09 2014-02-27 Peter Lablans Methods and Apparatus in Alternate Finite Field Based Coders and Decoders
KR101437396B1 (ko) * 2008-02-27 2014-09-05 삼성전자주식회사 레이턴시를 줄일 수 있는 에러 정정 블록을 포함하는메모리 시스템 및 그것의 에러 정정 방법
JP5525498B2 (ja) * 2011-09-13 2014-06-18 株式会社東芝 誤り検出装置
RU2613760C2 (ru) * 2015-06-04 2017-03-21 Федеральное государственное образовательное бюджетное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет телекоммуникации им. проф. М.А. Бонч-Бруевича" Устройство мажоритарного декодирования кода Рида-Соломона по k-элементным участкам кодовой комбинации
CN111726124B (zh) * 2019-03-21 2023-09-29 博通集成电路（上海）股份有限公司 用于纠错的电路及其方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648236A (en) * 1970-04-20 1972-03-07 Bell Telephone Labor Inc Decoding method and apparatus for bose-chaudhuri-hocquenghem codes
US3781791A (en) * 1971-12-13 1973-12-25 Bell Telephone Labor Inc Method and apparatus for decoding bch codes
US3771126A (en) * 1972-04-10 1973-11-06 Bell Telephone Labor Inc Error correction for self-synchronized scramblers
US4142174A (en) 1977-08-15 1979-02-27 International Business Machines Corporation High speed decoding of Reed-Solomon codes
GB2093238B (en) * 1981-02-18 1985-04-17 Kokusai Denshin Denwa Co Ltd Error correcting system for simultaneous errors in a code

Also Published As

Publication number Publication date
SE460243B (sv) 1989-09-18
GB2142752A (en) 1985-01-23
FR2549319A1 (fr) 1985-01-18
NL8302214A (nl) 1985-01-16
SE8403269D0 (sv) 1984-06-19
DE3422461A1 (de) 1985-01-03
JPS6037833A (ja) 1985-02-27
FR2549319B1 (fr) 1986-12-12
GB2142752B (en) 1986-12-17
US4642808A (en) 1987-02-10
CA1220865A (en) 1987-04-21
JPH0553087B2 (xx) 1993-08-09
GB8415675D0 (en) 1984-07-25

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