JPH10112659A - 誤り訂正復号装置 - Google Patents

誤り訂正復号装置

Info

Publication number
JPH10112659A
JPH10112659A JP8267117A JP26711796A JPH10112659A JP H10112659 A JPH10112659 A JP H10112659A JP 8267117 A JP8267117 A JP 8267117A JP 26711796 A JP26711796 A JP 26711796A JP H10112659 A JPH10112659 A JP H10112659A
Authority
JP
Japan
Prior art keywords
galois field
circuit
polynomial
arithmetic
register
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.)
Pending
Application number
JP8267117A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10112659A5 (https=
Inventor
Tetsuya Shimizu
哲也 清水
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP8267117A priority Critical patent/JPH10112659A/ja
Priority to US08/943,026 priority patent/US5983389A/en
Priority to EP97307852A priority patent/EP0836285B1/en
Priority to DE69732076T priority patent/DE69732076T2/de
Publication of JPH10112659A publication Critical patent/JPH10112659A/ja
Publication of JPH10112659A5 publication Critical patent/JPH10112659A5/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
JP8267117A 1996-10-08 1996-10-08 誤り訂正復号装置 Pending JPH10112659A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8267117A JPH10112659A (ja) 1996-10-08 1996-10-08 誤り訂正復号装置
US08/943,026 US5983389A (en) 1996-10-08 1997-10-02 Error correction decoding apparatus
EP97307852A EP0836285B1 (en) 1996-10-08 1997-10-03 Reed-Solomon decoder with general-purpose processing unit and dedicated circuits
DE69732076T DE69732076T2 (de) 1996-10-08 1997-10-03 Reed-Solomon Dekodierer mit universeller Prozessoreinheit und speziellen Schaltungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8267117A JPH10112659A (ja) 1996-10-08 1996-10-08 誤り訂正復号装置

Publications (2)

Publication Number Publication Date
JPH10112659A true JPH10112659A (ja) 1998-04-28
JPH10112659A5 JPH10112659A5 (https=) 2004-10-14

Family

ID=17440311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8267117A Pending JPH10112659A (ja) 1996-10-08 1996-10-08 誤り訂正復号装置

Country Status (4)

Country Link
US (1) US5983389A (https=)
EP (1) EP0836285B1 (https=)
JP (1) JPH10112659A (https=)
DE (1) DE69732076T2 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100260415B1 (ko) * 1997-08-13 2000-07-01 윤종용 고속시리얼에러위치다항식계산회로
US6209114B1 (en) * 1998-05-29 2001-03-27 Texas Instruments Incorporated Efficient hardware implementation of chien search polynomial reduction in reed-solomon decoding
US6412090B1 (en) * 1998-06-18 2002-06-25 Globespanvirata, Inc. Galois field computation system and method
US6637002B1 (en) 1998-10-21 2003-10-21 Maxtor Corporation Decoder for error correcting block codes
JP2000172520A (ja) * 1998-12-04 2000-06-23 Fujitsu Ltd ガロア体演算プロセッサ
US6175941B1 (en) * 1998-12-08 2001-01-16 Lsi Logic Corporation Error correction apparatus and associated method utilizing parellel processing
US7890846B2 (en) * 2000-01-06 2011-02-15 Supertalent Electronics, Inc. Electronic data flash card with Reed Solomon error detection and correction capability
US7962836B1 (en) * 2000-01-06 2011-06-14 Supertalent Electronics, Inc. Electronic data flash card with bose, ray-chaudhuri, hocquenghem (BCH) error detection/correction
US6772385B2 (en) * 2000-01-31 2004-08-03 Sanyo Electric Co., Ltd. Error-correcting device and decoder enabling fast error correction with reduced circuit scale
US10648817B2 (en) 2008-05-30 2020-05-12 Here Global B.V. Data mining in a digital map database to identify speed changes on upcoming curves along roads and enabling precautionary actions in a vehicle
US9182241B2 (en) 2008-05-30 2015-11-10 Here Global B.V. Data mining in a digital map database to identify unusually narrow lanes or roads and enabling precautionary actions in a vehicle
US8688369B2 (en) 2008-05-30 2014-04-01 Navteq B.V. Data mining in a digital map database to identify blind intersections along roads and enabling precautionary actions in a vehicle
US8775073B2 (en) 2008-05-30 2014-07-08 Navteq B.V. Data mining in a digital map database to identify insufficient merge lanes along roads and enabling precautionary actions in a vehicle
US8698649B2 (en) * 2008-05-30 2014-04-15 Navteq B.V. Data mining in a digital map database to identify decreasing radius of curvature along roads and enabling precautionary actions in a vehicle
US9121716B2 (en) * 2008-05-30 2015-09-01 Here Global B.V. Data mining in a digital map database to identify insufficient superelevation along roads and enabling precautionary actions in a vehicle
US9413391B2 (en) * 2014-04-18 2016-08-09 Kabushiki Kaisha Toshiba Chien search device, storage device, and chien search method
CN112468160B (zh) * 2020-12-01 2023-12-29 西安邮电大学 一种基于钱搜索算法和福尼算法的并行电路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567594A (en) * 1983-06-07 1986-01-28 Burroughs Corporation Reed-Solomon error detecting and correcting system employing pipelined processors
US4841300A (en) * 1986-06-18 1989-06-20 Mitsubishi Denki K.K. Error correction encoder/decoder
US5325373A (en) * 1986-12-22 1994-06-28 Canon Kabushiki Kaisha Apparatus for encoding and decoding reed-solomon code
JPS63186338A (ja) * 1987-01-28 1988-08-01 Nec Corp 誤り訂正回路
US5212695A (en) * 1989-04-28 1993-05-18 Canon Kabushiki Kaisha Error check or erro correction code coding device
US5170399A (en) * 1989-08-30 1992-12-08 Idaho Research Foundation, Inc. Reed-Solomon Euclid algorithm decoder having a process configurable Euclid stack
JPH0458619A (ja) * 1990-06-28 1992-02-25 Canon Inc 誤り訂正システム
DE4140018A1 (de) * 1991-12-04 1993-06-09 Bts Broadcast Television Systems Gmbh, 6100 Darmstadt, De Verfahren und schaltungsanordnung zum decodieren von rs-codierten datensignalen
US5535225A (en) * 1993-10-12 1996-07-09 Hughes Aircraft Company Time domain algebraic encoder/decoder
JP3328093B2 (ja) * 1994-07-12 2002-09-24 三菱電機株式会社 エラー訂正装置
US5689727A (en) * 1994-09-08 1997-11-18 Western Digital Corporation Disk drive with pipelined embedded ECC/EDC controller which provides parallel operand fetching and instruction execution

Also Published As

Publication number Publication date
EP0836285A2 (en) 1998-04-15
DE69732076D1 (de) 2005-02-03
US5983389A (en) 1999-11-09
EP0836285A3 (en) 1999-09-15
DE69732076T2 (de) 2005-12-08
EP0836285B1 (en) 2004-12-29

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