DE3852999T2 - Galois-feld-recheneinheit. - Google Patents

Galois-feld-recheneinheit.

Info

Publication number
DE3852999T2
DE3852999T2 DE3852999T DE3852999T DE3852999T2 DE 3852999 T2 DE3852999 T2 DE 3852999T2 DE 3852999 T DE3852999 T DE 3852999T DE 3852999 T DE3852999 T DE 3852999T DE 3852999 T2 DE3852999 T2 DE 3852999T2
Authority
DE
Germany
Prior art keywords
galois field
field calculator
calculator
galois
field
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 - Lifetime
Application number
DE3852999T
Other languages
English (en)
Other versions
DE3852999D1 (de
Inventor
Katsumi Murai
Makoto Usui
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP62162763A external-priority patent/JP2553565B2/ja
Priority claimed from JP62176167A external-priority patent/JP2553571B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE3852999D1 publication Critical patent/DE3852999D1/de
Application granted granted Critical
Publication of DE3852999T2 publication Critical patent/DE3852999T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/724—Finite field arithmetic
    • 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)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Error Detection And Correction (AREA)
DE3852999T 1987-06-30 1988-06-28 Galois-feld-recheneinheit. Expired - Lifetime DE3852999T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62162763A JP2553565B2 (ja) 1987-06-30 1987-06-30 ガロア体演算装置
JP62176167A JP2553571B2 (ja) 1987-07-15 1987-07-15 ガロア体演算装置
PCT/JP1988/000646 WO1989000363A1 (en) 1987-06-30 1988-06-28 Galois field arithmetic unit

Publications (2)

Publication Number Publication Date
DE3852999D1 DE3852999D1 (de) 1995-03-23
DE3852999T2 true DE3852999T2 (de) 1995-06-14

Family

ID=26488445

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3852999T Expired - Lifetime DE3852999T2 (de) 1987-06-30 1988-06-28 Galois-feld-recheneinheit.

Country Status (5)

Country Link
US (1) US5020060A (de)
EP (1) EP0329789B1 (de)
KR (1) KR890702340A (de)
DE (1) DE3852999T2 (de)
WO (1) WO1989000363A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5430739A (en) * 1990-03-27 1995-07-04 National Science Council Real-time Reed-Solomon decoder
US5440570A (en) * 1990-03-27 1995-08-08 National Science Council Real-time binary BCH decoder
JPH05158722A (ja) * 1991-12-10 1993-06-25 Hitachi Ltd 誤り検出・訂正方式
JP3176171B2 (ja) * 1993-04-21 2001-06-11 キヤノン株式会社 誤り訂正方法及びその装置
US5463642A (en) * 1993-06-29 1995-10-31 Mitsubishi Semiconductor America, Inc. Method and apparatus for determining error location
KR950010768B1 (ko) * 1993-10-20 1995-09-22 주식회사 Lg전자 에러 정정 코드 복호 장치 및 그 방법
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
EP0793352B1 (de) * 1996-02-28 1999-06-23 Daewoo Electronics Co., Ltd Vorrichtung zur Bestimmung des Fehlerwert-Polynoms zur Verwendung in einem Reed-Solomon Dekodierer
JP2907138B2 (ja) * 1996-08-15 1999-06-21 日本電気株式会社 誤り訂正の演算処理方法及び処理回路
US5942005A (en) * 1997-04-08 1999-08-24 International Business Machines Corporation Method and means for computationally efficient error and erasure correction in linear cyclic codes
US6510228B2 (en) * 1997-09-22 2003-01-21 Qualcomm, Incorporated Method and apparatus for generating encryption stream ciphers
US6252958B1 (en) * 1997-09-22 2001-06-26 Qualcomm Incorporated Method and apparatus for generating encryption stream ciphers
US6560338B1 (en) 1998-08-28 2003-05-06 Qualcomm Incorporated Limiting delays associated with the generation of encryption stream ciphers
US6490357B1 (en) 1998-08-28 2002-12-03 Qualcomm Incorporated Method and apparatus for generating encryption stream ciphers
US6341362B1 (en) 1999-04-22 2002-01-22 Vlsi Technology, Inc. Extended symbol Galois field error correcting device
US20080282128A1 (en) * 1999-08-04 2008-11-13 Super Talent Electronics, Inc. Method of Error Correction Code on Solid State Disk to Gain Data Security and Higher Performance
US6571368B1 (en) * 2000-02-02 2003-05-27 Macronix International Co., Ltd. Systolic Reed-Solomon decoder
FR2817418B1 (fr) * 2000-11-27 2003-02-21 Matra Nortel Communications Procede de decodage d'un bloc de symboles et dispositif mettant en oeuvre un tel procede
US7114116B2 (en) * 2002-09-13 2006-09-26 Sun Microsystems, Inc. Accelerated Galois data integrity crosscheck system and method
US7418645B2 (en) 2003-09-24 2008-08-26 Hitachi Global Storage Technologies Netherlands B.V. Error correction/detection code adjustment for known data pattern substitution
US20050071595A1 (en) * 2003-09-25 2005-03-31 International Business Machines Corporation Methods and apparatus for allocating memory
US7188296B1 (en) 2003-10-30 2007-03-06 Sun Microsystems, Inc. ECC for component failures using Galois fields
US7681105B1 (en) 2004-08-09 2010-03-16 Bakbone Software, Inc. Method for lock-free clustered erasure coding and recovery of data across a plurality of data stores in a network
US7681104B1 (en) * 2004-08-09 2010-03-16 Bakbone Software, Inc. Method for erasure coding data across a plurality of data stores in a network
US7689894B2 (en) * 2006-05-11 2010-03-30 Mediatek Inc. Decoding apparatus and method therefor
KR101466694B1 (ko) * 2007-08-28 2014-11-28 삼성전자주식회사 Ｅｃｃ 회로, ｅｃｃ 회로를 구비하는 메모리 시스템 및그의 오류 정정 방법
US9054742B2 (en) * 2013-03-14 2015-06-09 Intel Corporation Error and erasure decoding apparatus and method
US9997233B1 (en) 2015-10-08 2018-06-12 Rambus Inc. Memory module with dynamic stripe width
KR20230021949A (ko) * 2021-08-06 2023-02-14 삼성전자주식회사 메모리 장치 및 이의 동작 방법
US11962327B2 (en) * 2022-01-13 2024-04-16 Micron Technology, Inc. Iterative decoding technique for correcting DRAM device failures

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162480A (en) * 1977-01-28 1979-07-24 Cyclotomics, Inc. Galois field computer
JPS58123144A (ja) * 1982-01-18 1983-07-22 Nec Home Electronics Ltd リ−ド・ソロモン符号復号方式
JPS607543A (ja) * 1983-06-24 1985-01-16 Hiroichi Okano 誤り訂正および検出を行うｂｃｈ符号の復号装置
US4584686A (en) * 1983-12-22 1986-04-22 Optical Storage International Reed-Solomon error correction apparatus
JP2578739B2 (ja) * 1983-11-25 1997-02-05 松下電器産業株式会社 イレ−ジャ訂正方法
US4719628A (en) * 1983-12-20 1988-01-12 Sony Corporation Method and apparatus for decoding error correction code
NL8400629A (nl) * 1984-02-29 1985-09-16 Philips Nv Snelle decodeur voor reed-solomon-codes, welke mede als encodeur te gebruiken is, alsmede opname/reproduktie-apparaat voorzien van zo een encodeur/decodeur.
US4555784A (en) * 1984-03-05 1985-11-26 Ampex Corporation Parity and syndrome generation for error detection and correction in digital communication systems
US4597083A (en) * 1984-04-06 1986-06-24 Ampex Corporation Error detection and correction in digital communication systems
US4875211A (en) * 1986-12-10 1989-10-17 Matsushita Electric Industrial Co., Ltd. Galois field arithmetic logic unit

Also Published As

Publication number Publication date
EP0329789A1 (de) 1989-08-30
EP0329789B1 (de) 1995-02-08
DE3852999D1 (de) 1995-03-23
WO1989000363A1 (en) 1989-01-12
US5020060A (en) 1991-05-28
EP0329789A4 (en) 1991-08-28
KR890702340A (ko) 1989-12-23

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