WO2009069629A1 - データ処理装置、及びデータ処理方法 - Google Patents

データ処理装置、及びデータ処理方法 Download PDF

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Publication number
WO2009069629A1
WO2009069629A1 PCT/JP2008/071400 JP2008071400W WO2009069629A1 WO 2009069629 A1 WO2009069629 A1 WO 2009069629A1 JP 2008071400 W JP2008071400 W JP 2008071400W WO 2009069629 A1 WO2009069629 A1 WO 2009069629A1
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WIPO (PCT)
Prior art keywords
bits
data processing
code
symbol
processing device
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.)
Ceased
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PCT/JP2008/071400
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English (en)
French (fr)
Inventor
Takashi Yokokawa
Makiko Yamamoto
Satoshi Okada
Ryoji Ikegaya
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Sony Corp
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Sony Corp
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Filing date
Publication date
Priority to NZ58541908A priority Critical patent/NZ585419A/xx
Priority to JP2009543815A priority patent/JP5288213B2/ja
Priority to UAA201007577A priority patent/UA100536C2/ru
Priority to EP08854148.7A priority patent/EP2216907A4/en
Priority to US12/743,398 priority patent/US8499214B2/en
Priority to EA201070628A priority patent/EA022652B1/ru
Priority to CN200880118141.6A priority patent/CN101874351B/zh
Priority to KR1020107010859A priority patent/KR101519687B1/ko
Application filed by Sony Corp filed Critical Sony Corp
Priority to BRPI0820168-4A priority patent/BRPI0820168A2/pt
Priority to AU2008330672A priority patent/AU2008330672B2/en
Publication of WO2009069629A1 publication Critical patent/WO2009069629A1/ja
Priority to ZA2010/03441A priority patent/ZA201003441B/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H03M13/033—Theoretical methods to calculate these checking 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
    • H03M13/03—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
    • H03M13/11—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 using multiple parity bits
    • H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1148—Structural properties of the code parity-check or generator matrix
    • H03M13/116—Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices
    • H03M13/1165—QC-LDPC codes as defined for the digital video broadcasting [DVB] specifications, e.g. DVB-Satellite [DVB-S2]
    • 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
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H03M13/255—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with Low Density Parity Check [LDPC] 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
    • H03M13/27—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 using interleaving techniques
    • H03M13/2703—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 using interleaving techniques the interleaver involving at least two directions
    • H03M13/2707—Simple row-column interleaver, i.e. pure block interleaving
    • 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
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H03M13/356—Unequal error protection [UEP]
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6522—Intended application, e.g. transmission or communication standard
    • H03M13/6552—DVB-T2
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6522—Intended application, e.g. transmission or communication standard
    • H03M13/6555—DVB-C2
    • 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
    • H03M13/152—Bose-Chaudhuri-Hocquenghem [BCH] codes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

本発明は、データのエラーに対する耐性を向上させることができるデータ処理装置、及びデータ処理方法に関する。 デマルチプレクサ２５は、LDPC符号の符号ビットを、シンボルを表すシンボルビットに割り当てるための割り当てルールに従い、mbビットの符号ビットを入れ替えて、入れ替え後の符号ビットを、b個のシンボルのシンボルビットとする。例えば、mが12で、bが1のとき、12×1ビットの符号ビットと、1個のシンボルの12×1ビットのシンボルビットの最上位ビットからi+1ビット目を、それぞれ、ビットbiとyiとすると、例えば、b0はy8に、b1はy0に、b2はy6に、b3はy1に、b4はy4に、b5はy5に、b6はy2に、b7はy3に、b8はy7に、b9はy10に、b10はy11に、b11はy9に、それぞれ割り当てる入れ替えが行われる。本発明は、例えば、LDPC符号を伝送する伝送システム等に適用できる。
PCT/JP2008/071400 2007-11-26 2008-11-26 データ処理装置、及びデータ処理方法 Ceased WO2009069629A1 (ja)

Priority Applications (11)

Application Number Priority Date Filing Date Title
CN200880118141.6A CN101874351B (zh) 2007-11-26 2008-11-26 数据处理设备和数据处理方法
UAA201007577A UA100536C2 (ru) 2007-11-26 2008-11-26 Устройство ( варианты) обработки данных и способ (варианты) обработки данных
EP08854148.7A EP2216907A4 (en) 2007-11-26 2008-11-26 DATA PROCESSING DEVICE AND DATA PROCESSING METHOD
US12/743,398 US8499214B2 (en) 2007-11-26 2008-11-26 Data processing apparatus and data processing method
EA201070628A EA022652B1 (ru) 2007-11-26 2008-11-26 Демультиплексор и способ демультиплексирования
NZ58541908A NZ585419A (en) 2007-11-26 2008-11-26 Data processing utilising low density parity check codes
AU2008330672A AU2008330672B2 (en) 2007-11-26 2008-11-26 Data processing device and data processing method
KR1020107010859A KR101519687B1 (ko) 2007-11-26 2008-11-26 데이터 처리 장치 및 데이터 처리 방법
BRPI0820168-4A BRPI0820168A2 (pt) 2007-11-26 2008-11-26 Aparelho e método de processamento de dados
JP2009543815A JP5288213B2 (ja) 2007-11-26 2008-11-26 データ処理装置、及びデータ処理方法
ZA2010/03441A ZA201003441B (en) 2007-11-26 2010-05-14 Data processing device and data processing method

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP2007-304689 2007-11-26
JP2007-304690 2007-11-26
JP2007304689 2007-11-26
JP2007304690 2007-11-26
JP2008070467 2008-03-18
JP2008-070467 2008-03-18
JP2008185605 2008-07-17
JP2008-185605 2008-07-17
JP2008284352 2008-11-05
JP2008-284352 2008-11-05

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Publication Number Publication Date
WO2009069629A1 true WO2009069629A1 (ja) 2009-06-04

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PCT/JP2008/071400 Ceased WO2009069629A1 (ja) 2007-11-26 2008-11-26 データ処理装置、及びデータ処理方法

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US (1) US8499214B2 (ja)
EP (3) EP2216907A4 (ja)
JP (1) JP5288213B2 (ja)
KR (1) KR101519687B1 (ja)
CN (1) CN101874351B (ja)
BR (1) BRPI0820168A2 (ja)
EA (1) EA022652B1 (ja)
MY (1) MY159732A (ja)
NZ (1) NZ585419A (ja)
TW (1) TWI390856B (ja)
WO (1) WO2009069629A1 (ja)
ZA (1) ZA201003441B (ja)

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CN103477563B (zh) * 2011-01-19 2016-11-30 索尼公司 数据处理装置和数据处理方法

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Publication number Publication date
EA022652B1 (ru) 2016-02-29
EP2216907A1 (en) 2010-08-11
CN101874351B (zh) 2014-12-17
CN101874351A (zh) 2010-10-27
US20100269019A1 (en) 2010-10-21
EA201070628A1 (ru) 2011-02-28
EP2950452A2 (en) 2015-12-02
ZA201003441B (en) 2011-05-25
EP2237430A2 (en) 2010-10-06
KR101519687B1 (ko) 2015-05-12
TW200937871A (en) 2009-09-01
EP2216907A4 (en) 2015-11-18
NZ585419A (en) 2013-04-26
EP2237430A3 (en) 2015-09-30
JPWO2009069629A1 (ja) 2011-04-14
TWI390856B (zh) 2013-03-21
US8499214B2 (en) 2013-07-30
JP5288213B2 (ja) 2013-09-11
KR20100096096A (ko) 2010-09-01
AU2008330672A1 (en) 2009-06-04
MY159732A (en) 2017-01-31
BRPI0820168A2 (pt) 2015-06-16
AU2008330672A2 (en) 2010-07-08
EP2950452A3 (en) 2016-03-16

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