WO2009031529A1 - 送信装置及び受信装置、並びに送信方法 - Google Patents

送信装置及び受信装置、並びに送信方法 Download PDF

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Publication number
WO2009031529A1
WO2009031529A1 PCT/JP2008/065751 JP2008065751W WO2009031529A1 WO 2009031529 A1 WO2009031529 A1 WO 2009031529A1 JP 2008065751 W JP2008065751 W JP 2008065751W WO 2009031529 A1 WO2009031529 A1 WO 2009031529A1
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WO
WIPO (PCT)
Prior art keywords
ldpc code
coding
apsk modulation
transmitter
receiver
Prior art date
Application number
PCT/JP2008/065751
Other languages
English (en)
French (fr)
Inventor
Akinori Hashimoto
Yoichi Suzuki
Takeshi Kimura
Kazuyoshi Shogen
Shoji Tanaka
Hisashi Sujikai
Masaaki Kojima
Makiko Yamamoto
Takashi Yokokawa
Tetsuhiro Futami
Hideyuki Matsumoto
Tamotsu Ikeda
Original Assignee
Nippon Hoso Kyokai
Sony Corporation
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 JP2007252889A external-priority patent/JP4856608B2/ja
Application filed by Nippon Hoso Kyokai, Sony Corporation filed Critical Nippon Hoso Kyokai
Priority to BRPI0815921A priority Critical patent/BRPI0815921B1/pt
Publication of WO2009031529A1 publication Critical patent/WO2009031529A1/ja

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Classifications

    • 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
    • H03M13/03—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
    • 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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Multimedia (AREA)
  • Error Detection And Correction (AREA)

Abstract

【課題】誤り訂正符号ごとに、最適な信号点の配置を行うことで、伝送特性の劣化を防止する。 【解決手段】LDPC符号化部１１－１は、符号化率が２７／４０等の特定の値のLDPC符号による誤り訂正符号化を行う。LDPC符号は、例えば、16APSK変調され、又は32APSK変調されて伝送される。16APSK変調及び32APSK変調の信号点は、各符号化率のLDPC符号ごとに、最適な位置に配置されている。本発明は、例えば、BSディジタル放送システム等に適用できる。
PCT/JP2008/065751 2007-09-07 2008-09-02 送信装置及び受信装置、並びに送信方法 WO2009031529A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0815921A BRPI0815921B1 (pt) 2007-09-07 2008-09-02 transmissor, método de transmissão que executa codificação por pelo menos um código de correção de erro e executa transmissão de dados digital, e, receptor.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-232271 2007-09-07
JP2007232271 2007-09-07
JP2007252889A JP4856608B2 (ja) 2007-09-07 2007-09-28 送信装置及び受信装置、並びに送信方法
JP2007-252889 2007-09-28

Publications (1)

Publication Number Publication Date
WO2009031529A1 true WO2009031529A1 (ja) 2009-03-12

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ID=40428845

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Application Number Title Priority Date Filing Date
PCT/JP2008/065751 WO2009031529A1 (ja) 2007-09-07 2008-09-02 送信装置及び受信装置、並びに送信方法

Country Status (1)

Country Link
WO (1) WO2009031529A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3070897A4 (en) * 2013-11-15 2017-07-12 Nippon Hoso Kyokai Modulator, demodulator, transmitter, and receiver
EP3070850A4 (en) * 2013-11-15 2017-07-19 Nippon Hoso Kyokai Encoder, decoder, transmission apparatus and reception apparatus
CN113300724A (zh) * 2021-05-14 2021-08-24 电子科技大学 一种开关矩阵多波束组件及开关矩阵多波束扩展式组件

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005277784A (ja) * 2004-03-24 2005-10-06 Toshiba Corp Ｌｐｃ符号を用いた符号化ビットのマッピング方法及び送信装置、受信装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005277784A (ja) * 2004-03-24 2005-10-06 Toshiba Corp Ｌｐｃ符号を用いた符号化ビットのマッピング方法及び送信装置、受信装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3070897A4 (en) * 2013-11-15 2017-07-12 Nippon Hoso Kyokai Modulator, demodulator, transmitter, and receiver
EP3070850A4 (en) * 2013-11-15 2017-07-19 Nippon Hoso Kyokai Encoder, decoder, transmission apparatus and reception apparatus
US10020821B2 (en) 2013-11-15 2018-07-10 Nippon Hoso Kyokai Encoder, decoder, transmission device, and reception device
CN113300724A (zh) * 2021-05-14 2021-08-24 电子科技大学 一种开关矩阵多波束组件及开关矩阵多波束扩展式组件

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