DE68921855T2 - Korrektur von Burst- und Zufallsfehlern. - Google Patents
Korrektur von Burst- und Zufallsfehlern.Info
- Publication number
- DE68921855T2 DE68921855T2 DE68921855T DE68921855T DE68921855T2 DE 68921855 T2 DE68921855 T2 DE 68921855T2 DE 68921855 T DE68921855 T DE 68921855T DE 68921855 T DE68921855 T DE 68921855T DE 68921855 T2 DE68921855 T2 DE 68921855T2
- Authority
- DE
- Germany
- Prior art keywords
- burst
- correction
- random errors
- errors
- random
- 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
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
- H03M13/159—Remainder calculation, e.g. for encoding and syndrome calculation
-
- 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
- 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
- H03M13/1515—Reed-Solomon 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
- H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer 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
- H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
- H03M13/2903—Methods and arrangements specifically for encoding, e.g. parallel encoding of a plurality of constituent 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
- H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
- H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block 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
- H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
- H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
- H03M13/2927—Decoding strategies
- H03M13/293—Decoding strategies with erasure setting
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/284,979 US4951284A (en) | 1988-12-14 | 1988-12-14 | Method and means for correcting random and burst errors |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68921855D1 DE68921855D1 (de) | 1995-04-27 |
DE68921855T2 true DE68921855T2 (de) | 1995-10-12 |
Family
ID=23092256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68921855T Expired - Fee Related DE68921855T2 (de) | 1988-12-14 | 1989-11-10 | Korrektur von Burst- und Zufallsfehlern. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4951284A (de) |
EP (1) | EP0373764B1 (de) |
JP (1) | JPH0831806B2 (de) |
DE (1) | DE68921855T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164944A (en) * | 1990-06-08 | 1992-11-17 | Unisys Corporation | Method and apparatus for effecting multiple error correction in a computer memory |
US5377208A (en) * | 1991-11-02 | 1994-12-27 | U.S. Philips Corporation | Transmission system with random error and burst error correction for a cyclically coded digital signal |
US5329535A (en) * | 1992-04-30 | 1994-07-12 | International Business Machines Corporation | Variable block lengths on-the-fly error correcting decoder |
KR100228267B1 (ko) * | 1992-12-30 | 1999-11-01 | 윤종용 | 영상부호화 시스템의 에러수정장치 |
US5383204A (en) * | 1993-06-29 | 1995-01-17 | Mitsubishi Semiconductor America, Inc. | Parallel encoding apparatus and method implementing cyclic redundancy check and Reed-Solomon codes |
US5465260A (en) * | 1993-11-04 | 1995-11-07 | Cirrus Logic, Inc. | Dual purpose cyclic redundancy check |
US5727003A (en) * | 1995-07-03 | 1998-03-10 | Cirrus Logic, Inc. | Method and apparatus for flash burst error correction |
US5721744A (en) * | 1996-02-20 | 1998-02-24 | Sharp Microelectronics Technology, Inc. | System and method for correcting burst errors in digital information |
US6219814B1 (en) | 1996-12-23 | 2001-04-17 | International Business Machines Corporation | Method and apparatus for selectively varying error correcting code (ECC) power in a direct access storage device (DASD) |
US6041430A (en) * | 1997-11-03 | 2000-03-21 | Sun Microsystems, Inc. | Error detection and correction code for data and check code fields |
US5946328A (en) * | 1997-11-17 | 1999-08-31 | International Business Machines Corporation | Method and means for efficient error detection and correction in long byte strings using integrated interleaved Reed-Solomon codewords |
US6275965B1 (en) * | 1997-11-17 | 2001-08-14 | International Business Machines Corporation | Method and apparatus for efficient error detection and correction in long byte strings using generalized, integrated, interleaved reed-solomon codewords |
US6574776B1 (en) * | 1999-04-09 | 2003-06-03 | Oak Technology, Inc. | Simultaneous processing for error detection and P-parity ECC encoding |
WO2003077247A2 (en) * | 2002-03-08 | 2003-09-18 | Koninklijke Philips Electronics N.V. | Method of joint decoding of possibly mutilated code words |
US7131052B2 (en) * | 2002-08-12 | 2006-10-31 | International Business Machines Corporation | Algebraic decoder and method for correcting an arbitrary mixture of burst and random errors |
US7231578B2 (en) | 2004-04-02 | 2007-06-12 | Hitachi Global Storage Technologies Netherlands B.V. | Techniques for detecting and correcting errors using multiple interleave erasure pointers |
US20080082896A1 (en) * | 2006-08-25 | 2008-04-03 | Broadcom Corporation | Burst error correction with offset for correction vector based on fire code |
US8136013B2 (en) * | 2006-08-25 | 2012-03-13 | Broadcom Corporation | Burst error correction based on fire code |
US7895502B2 (en) * | 2007-01-04 | 2011-02-22 | International Business Machines Corporation | Error control coding methods for memories with subline accesses |
US20100067338A1 (en) * | 2008-09-15 | 2010-03-18 | Lite-On It Corporation | Method of Determining the Quality of Data on an Optical Disc |
US8392807B2 (en) | 2010-07-23 | 2013-03-05 | Sandisk Technologies Inc. | System and method of distributive ECC processing |
US8856618B2 (en) * | 2012-10-04 | 2014-10-07 | HGST Netherlands B.V. | Scalable repair block error correction for sequential multiple data blocks in a magnetic data storage device |
US8959414B2 (en) * | 2013-06-13 | 2015-02-17 | Lsi Corporation | Systems and methods for hybrid layer data decoding |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4494234A (en) * | 1982-12-29 | 1985-01-15 | International Business Machines Corporation | On-the-fly multibyte error correcting system |
US4525838A (en) * | 1983-02-28 | 1985-06-25 | International Business Machines Corporation | Multibyte error correcting system involving a two-level code structure |
US4706250A (en) * | 1985-09-27 | 1987-11-10 | International Business Machines Corporation | Method and apparatus for correcting multibyte errors having improved two-level code structure |
US4833679A (en) * | 1987-08-31 | 1989-05-23 | International Business Machines Corporation | Method and apparatus with improved error correction and error information availability |
US4849975A (en) * | 1987-11-10 | 1989-07-18 | International Business Machines Corporation | Error correction method and apparatus |
-
1988
- 1988-12-14 US US07/284,979 patent/US4951284A/en not_active Expired - Fee Related
-
1989
- 1989-11-10 EP EP89311681A patent/EP0373764B1/de not_active Expired - Lifetime
- 1989-11-10 DE DE68921855T patent/DE68921855T2/de not_active Expired - Fee Related
- 1989-12-14 JP JP1322776A patent/JPH0831806B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0373764A3 (de) | 1991-10-23 |
DE68921855D1 (de) | 1995-04-27 |
JPH0831806B2 (ja) | 1996-03-27 |
JPH02189032A (ja) | 1990-07-25 |
EP0373764B1 (de) | 1995-03-22 |
EP0373764A2 (de) | 1990-06-20 |
US4951284A (en) | 1990-08-21 |
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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 |