KR940004975A - 2차원 에러정정방법 및 복호화장치 - Google Patents

2차원 에러정정방법 및 복호화장치 Download PDF

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KR940004975A
KR940004975A KR1019920014568A KR920014568A KR940004975A KR 940004975 A KR940004975 A KR 940004975A KR 1019920014568 A KR1019920014568 A KR 1019920014568A KR 920014568 A KR920014568 A KR 920014568A KR 940004975 A KR940004975 A KR 940004975A
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South Korea
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code
block
data
subblock
decoding
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KR1019920014568A
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English (en)
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KR0155702B1 (ko
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김태응
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강진구
삼성전자 주식회사
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Priority to KR1019920014568A priority Critical patent/KR0155702B1/ko
Priority to US08/038,638 priority patent/US5386425A/en
Priority to JP5108495A priority patent/JP2950529B2/ja
Publication of KR940004975A publication Critical patent/KR940004975A/ko
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • 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
    • H03M13/2909—Product codes

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Error Detection And Correction (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

서브블럭의 데이타에 대해 수직방향으로 외부호를 부가하고 블럭식별부호(ID)와 서브블럭의 데이타 혹은 블럭식별부호(ID)와 외부호에 대해 수평방향으로 내부호를 부가하는 2차원 에러정정방법에 있어서 블럭식별부호(ID)에 대한 외부호 북호화를 가능하게 하는 방법이 개시된다. 블럭식별부호(ID)가 순환적인 패턴을 갖는 것을 이용하여 블럭식별부호(ID)에 대한 외부호를 예측하여 부호화한 결과로써 블럭식별부호(ID)에 대한 외부호 복호화를 행하여 블럭식별부호(ID)에 대한 에러정정능력을 제고시킨 2차원 에러정정방법을 제공한다.

Description

2차원 에러정정방법 및 복호화장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명의 에러정정방법을 보이는 도면이다.
재6도는 본 발명의 에러정정방법에 적항한 복호화장치의 일 실시예를 보이는 블럭도이다.
제7A-7C도는 제6도에 있어서 각 메모리에 기록되거나 각 메모리로부터 독출되는 데이타 형태를 보이는 도면이다.

Claims (2)

  1. 서브블럭의 데이타에 대해 수직방향으로 외부호를 부가하고 블럭식별부호(ID)와 서브블럭의 데이타 흑은 블럭식별부호(ID)와 외부호에 대해 수평방향으로 내부호를 부가하는 부호화과정과, 상기 서브블럭의 데이타를 상기 외부호와 내부호에 의해 복호화하고 상기 블럭식 별부호를 상기 내부호에 의해 복호화하는 2차원 에러정정방법에 있어서, 상기 블럭식별부호의 순환전 패턴에 따라 예측된 에러정정 외부호를 미리 구하여 저장하는 과정과; 상기 저장된 에러정정 외부호를 독출하여 상기 블럭식별부호의 복호화시 에러정정온 수행하는 과정을 더 구비하는 것을 특징으로 하는 2차원 에러정정방법,
  2. 서브블럭의 데이타에 대해 수직방향으로 부가된 외부호와 블럭식별부호(ID)와 서브블럭의 데이타 혹은 블럭식별부호(ID)와 외부호에 대해 수평방향으로 부가된 내부호를 갖는 블럭구조의 데이타를 복호화하기 위하여 상기 내부호에 의해 상기 블럭식별부호와 서브블럭의 데이타 혹은 볼럭식별부호와 외부호를 복호화하는 내부호 복호화기와, 상기 내부호복호화기의 후단에 접속되어 상기 외부호에 의해 상기 서브블럭의 데이타를 수직방향으로 복호화하는 제1외부호 복호화기를 갖는 복호화장치에 있어서, 상기 블럭식별부호의 순환적인 패턴에 따른 예 측부호화된 외부를 저장하는 롬(ROM)과; 상기 제1외부호 복호화기에 병렬로 접속되며 상기 롬(ROM)에 저장된 예측부호화된 외부호에 의해 상기 블럭식별부호를 외부호복호화하는 제2외부호 복호화수단을 더 구비하는 것을 특징으로 하는 복호화장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920014568A 1992-08-13 1992-08-13 2차원 에러정정방법 및 복호화장치 KR0155702B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019920014568A KR0155702B1 (ko) 1992-08-13 1992-08-13 2차원 에러정정방법 및 복호화장치
US08/038,638 US5386425A (en) 1992-08-13 1993-03-29 Two-dimensional error correcting method and decoder
JP5108495A JP2950529B2 (ja) 1992-08-13 1993-05-10 ２次元エラー訂正方法及び復号化装置

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KR1019920014568A KR0155702B1 (ko) 1992-08-13 1992-08-13 2차원 에러정정방법 및 복호화장치

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KR940004975A true KR940004975A (ko) 1994-03-16
KR0155702B1 KR0155702B1 (ko) 1998-12-15

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JP (1) JP2950529B2 (ko)
KR (1) KR0155702B1 (ko)

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US5386425A (en) 1995-01-31
JPH06112847A (ja) 1994-04-22
KR0155702B1 (ko) 1998-12-15
JP2950529B2 (ja) 1999-09-20

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