WO2009069580A1 - データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法 - Google Patents

データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法 Download PDF

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WO2009069580A1
WO2009069580A1 PCT/JP2008/071312 JP2008071312W WO2009069580A1 WO 2009069580 A1 WO2009069580 A1 WO 2009069580A1 JP 2008071312 W JP2008071312 W JP 2008071312W WO 2009069580 A1 WO2009069580 A1 WO 2009069580A1
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Prior art keywords
data processing
coding
code
bits
bit
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Ceased
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PCT/JP2008/071312
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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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Application filed by Sony Corp filed Critical Sony Corp
Priority to DK08853412.8T priority Critical patent/DK2214318T6/da
Priority to BRPI0819644-3A priority patent/BRPI0819644A2/pt
Priority to EP15163589.3A priority patent/EP2924882B1/en
Priority to US12/743,384 priority patent/US8335964B2/en
Priority to JP2009543786A priority patent/JP5273055B2/ja
Priority to NZ585418A priority patent/NZ585418A/xx
Priority to EP08853412.8A priority patent/EP2214318B3/en
Priority to PL15163589T priority patent/PL2924882T3/pl
Priority to AU2008330716A priority patent/AU2008330716B8/en
Priority to ES08853412T priority patent/ES2639994T7/es
Priority to CN2008801184819A priority patent/CN101874352B/zh
Priority to PL08853412T priority patent/PL2214318T6/pl
Priority to EA201070630A priority patent/EA021966B1/ru
Priority to TW098103754A priority patent/TWI389460B/zh
Publication of WO2009069580A1 publication Critical patent/WO2009069580A1/ja
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
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • 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
    • H03M13/036—Heuristic code construction methods, i.e. code construction or code search based on using trial-and-error
    • 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
    • H03M13/271—Row-column interleaver with permutations, e.g. block interleaving with inter-row, inter-column, intra-row or intra-column permutations
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3488—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Error Detection And Correction (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

本発明は、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、並びに、符号化装置、及び符号化方法に関する。 DVB-S.2に規定されている、符号長が64800ビットで、符号化率が2/3のLDPC符号のmbビットの符号ビットが入れ替えられて、入れ替え後の符号ビットが、b個のシンボルのシンボルビットとされる。mが8で、bが2のとき、8×2ビットの符号ビットと、連続する2個のシンボルの8×2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biとyiとすると、b0はy15に、b1はy7に、b2はy1に、b3はy5に、b4はy6に、b5はy13に、b6はy11に、b7はy9に、b8はy8に、b9はy14に、b10はy12に、b11はy3に、b12はy0に、b13はy10に、b14はy4に、b15はy2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/JP2008/071312 2007-11-26 2008-11-25 データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法 Ceased WO2009069580A1 (ja)

Priority Applications (14)

Application Number Priority Date Filing Date Title
DK08853412.8T DK2214318T6 (da) 2007-11-26 2008-11-25 Bitpermutationsmønster til bicm med ldpc-koder af rate 2/3 og 256qam-konstellationer
BRPI0819644-3A BRPI0819644A2 (pt) 2007-11-26 2008-11-25 aparelho e método de processamento de dados, e, aparelho e método de codificação
EP15163589.3A EP2924882B1 (en) 2007-11-26 2008-11-25 Reception apparatus comprising multiplexer for rate 2/3 64k ldpc codes and 256qam
US12/743,384 US8335964B2 (en) 2007-11-26 2008-11-25 Data processing apparatus and data processing method as well as encoding apparatus and encoding method
JP2009543786A JP5273055B2 (ja) 2007-11-26 2008-11-25 データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法
NZ585418A NZ585418A (en) 2007-11-26 2008-11-25 Encoding method using low-density parity check matrix
EP08853412.8A EP2214318B3 (en) 2007-11-26 2008-11-25 Bit permutation pattern for bicm with ldpc codes of rate 2/3 and 256qam constellations
PL15163589T PL2924882T3 (pl) 2007-11-26 2008-11-25 Urządzenie odbiorcze zawierające multiplekser dla kodów LDPC 64K o szybkości kodowania 2/3 i konstelacji 256QAM
AU2008330716A AU2008330716B8 (en) 2007-11-26 2008-11-25 Data processing device, data processing method, coding device and coding method
ES08853412T ES2639994T7 (es) 2007-11-26 2008-11-25 Patrón de permutación de bits para BICM con códigos LDPC de tasa 2/3 y constelaciones 256QAM
CN2008801184819A CN101874352B (zh) 2007-11-26 2008-11-25 数据处理设备和数据处理方法以及编码设备和编码方法
PL08853412T PL2214318T6 (pl) 2007-11-26 2008-11-25 Wzorzec permutacji bitowej dla BICM z kodami LDPC o wskaźniku 2/3 i konstelacjach 256QAM
EA201070630A EA021966B1 (ru) 2007-11-26 2008-11-25 Устройство и способ обработки данных, а также кодирующее устройство и способ кодирования
TW098103754A TWI389460B (zh) 2008-03-18 2009-02-05 Data processing device and data processing method

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2007-304690 2007-11-26
JP2007-304689 2007-11-26
JP2007304689 2007-11-26
JP2007304690 2007-11-26
JP2008-070467 2008-03-18
JP2008070467 2008-03-18
PCT/JP2008/070960 WO2009069513A1 (ja) 2007-11-26 2008-11-18 データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法
JPPCT/JP2008/070960 2008-11-18

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WO2009069580A1 true WO2009069580A1 (ja) 2009-06-04

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PCT/JP2008/070960 Ceased WO2009069513A1 (ja) 2007-11-26 2008-11-18 データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法
PCT/JP2008/071312 Ceased WO2009069580A1 (ja) 2007-11-26 2008-11-25 データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法
PCT/JP2008/071382 Ceased WO2009069616A1 (ja) 2007-11-26 2008-11-26 データ処理装置、及びデータ処理方法、並びに、符号化装置、及び符号化方法

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US (2) US8402337B2 (ja)
EP (4) EP2214321B1 (ja)
JP (2) JP5273054B2 (ja)
KR (2) KR101481854B1 (ja)
CN (2) CN101911505B (ja)
AU (2) AU2008330816B2 (ja)
BR (2) BRPI0820163B1 (ja)
CO (1) CO6311122A2 (ja)
DK (2) DK2509270T3 (ja)
EA (2) EA021906B1 (ja)
ES (4) ES2649560T3 (ja)
MY (2) MY155083A (ja)
NZ (2) NZ585421A (ja)
PL (3) PL2509270T3 (ja)
PT (2) PT2509270T (ja)
TW (1) TW200939639A (ja)
WO (3) WO2009069513A1 (ja)
ZA (1) ZA201003529B (ja)

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