HK1155588A1 - Permutation of ldpc coded bits to be applied before qam constellation mapping - Google Patents

Permutation of ldpc coded bits to be applied before qam constellation mapping

Info

Publication number
HK1155588A1
HK1155588A1 HK11109735.8A HK11109735A HK1155588A1 HK 1155588 A1 HK1155588 A1 HK 1155588A1 HK 11109735 A HK11109735 A HK 11109735A HK 1155588 A1 HK1155588 A1 HK 1155588A1
Authority
HK
Hong Kong
Prior art keywords
permutation
coded bits
applied before
constellation mapping
qam constellation
Prior art date
Application number
HK11109735.8A
Other languages
English (en)
Inventor
Giovanni Vitale
Vittoria Mignone
Original Assignee
Rai Radiotelevisione Italiana
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
Application filed by Rai Radiotelevisione Italiana filed Critical Rai Radiotelevisione Italiana
Publication of HK1155588A1 publication Critical patent/HK1155588A1/xx

Links

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
    • 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
    • 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]
    • 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]
    • H03M13/251—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 block coding
    • 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
    • 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
    • H03M13/35—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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
HK11109735.8A 2008-06-16 2011-09-15 Permutation of ldpc coded bits to be applied before qam constellation mapping HK1155588A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000472A ITTO20080472A1 (it) 2008-06-16 2008-06-16 Metodo di elaborazione di segnali digitali e sistema di trasmissione e ricezione che implementa detto metodo
PCT/IB2009/005886 WO2010004382A2 (en) 2008-06-16 2009-06-08 Method for processing digital signals, and transmission/reception system implementing said method

Publications (1)

Publication Number Publication Date
HK1155588A1 true HK1155588A1 (en) 2012-05-18

Family

ID=40302161

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11109735.8A HK1155588A1 (en) 2008-06-16 2011-09-15 Permutation of ldpc coded bits to be applied before qam constellation mapping

Country Status (10)

Country Link
US (1) US8385445B2 (it)
EP (1) EP2294738B1 (it)
JP (1) JP5242780B2 (it)
KR (1) KR101562082B1 (it)
CN (1) CN102090008B (it)
ES (1) ES2443299T3 (it)
HK (1) HK1155588A1 (it)
IT (1) ITTO20080472A1 (it)
PL (1) PL2294738T3 (it)
WO (1) WO2010004382A2 (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4788650B2 (ja) * 2007-04-27 2011-10-05 ソニー株式会社 Ｌｄｐｃ復号装置およびその復号方法、並びにプログラム
KR20110071225A (ko) * 2009-12-21 2011-06-29 한국전자통신연구원 우수한 비트 오류 성능을 갖는 4+12+16 ａｐｓｋ 변조 방식을 위한 비트 매핑 방법
US8724715B2 (en) 2011-02-17 2014-05-13 Massachusetts Institute Of Technology Rateless and rated coding using spinal codes
EP2506440A1 (en) * 2011-03-30 2012-10-03 Samsung Electronics Co., Ltd. Apparatus and method for mapping and demapping signals in a communication system using a low density parity check code
ITTO20110310A1 (it) * 2011-04-05 2012-10-06 Rai Radiotelevisione Italiana Metodo di elaborazione di segnali digitali e relativi sistemi di trasmissione e ricezione
EP2518922A1 (en) * 2011-04-26 2012-10-31 Panasonic Corporation Bit permutation patterns for BICM with LDPC codes of rate 1/3 and QAM constellations
EP2518923A1 (en) * 2011-04-26 2012-10-31 Panasonic Corporation Bit permutation patterns for BICM with LDPC codes of rate 2/5 and QAM constellations
EP2525496A1 (en) * 2011-05-18 2012-11-21 Panasonic Corporation Bit-interleaved coding and modulation (BICM) with quasi-cyclic LDPC codes
EP2525497A1 (en) 2011-05-18 2012-11-21 Panasonic Corporation Bit-interleaved coding and modulation (BICM) with quasi-cyclic LDPC codes
EP2525495A1 (en) * 2011-05-18 2012-11-21 Panasonic Corporation Bit-interleaved coding and modulation (BICM) with quasi-cyclic LDPC codes
EP2536030A1 (en) * 2011-06-16 2012-12-19 Panasonic Corporation Bit permutation patterns for BICM with LDPC codes and QAM constellations
US9160399B2 (en) 2012-05-24 2015-10-13 Massachusetts Institute Of Technology System and apparatus for decoding tree-based messages
US9793925B2 (en) 2013-05-02 2017-10-17 Sony Corporation Data processing device and data processing method
JP6229901B2 (ja) * 2013-05-02 2017-11-22 ソニー株式会社 データ処理装置、及びデータ処理方法
US9859922B2 (en) 2013-05-02 2018-01-02 Sony Corporation Data processing device and data processing method
JP6229900B2 (ja) * 2013-05-02 2017-11-22 ソニー株式会社 データ処理装置、及びデータ処理方法
US9270412B2 (en) * 2013-06-26 2016-02-23 Massachusetts Institute Of Technology Permute codes, iterative ensembles, graphical hash codes, and puncturing optimization
WO2015065040A1 (ko) * 2013-10-29 2015-05-07 엘지전자 주식회사 무선접속 시스템에서 256qam을 이용한 변조 심볼 전송 방법 및 장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8204149B2 (en) * 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
US7570698B2 (en) * 2004-11-16 2009-08-04 Intel Corporation Multiple output multicarrier transmitter and methods for spatial interleaving a plurality of spatial streams
US7516390B2 (en) * 2005-01-10 2009-04-07 Broadcom Corporation LDPC (Low Density Parity Check) coding and interleaving implemented in MIMO communication systems
WO2006083233A1 (en) * 2005-02-03 2006-08-10 Agency For Science, Technology And Research Method for transmitting data, method for receiving data, transmitter, receiver, and computer program products
WO2008155764A2 (en) * 2007-06-18 2008-12-24 Duolink Ltd. Wireless network architecture and method for base station utilization
US8386879B2 (en) * 2007-08-23 2013-02-26 Nec Laboratories America, Inc. GLDPC encoding with Reed-Muller component codes for optical communications
EP2056549B1 (en) 2007-10-30 2012-12-12 Sony Corporation Data processing apparatus and method
WO2009069625A1 (ja) * 2007-11-26 2009-06-04 Sony Corporation データ処理装置、及びデータ処理方法
US8718186B2 (en) * 2008-03-03 2014-05-06 Rai Radiotelevisione Italiana S.P.A. Methods for digital signal processing and transmission/reception systems utilizing said methods
ES2431337T3 (es) * 2008-06-04 2013-11-26 Sony Corporation Nueva estructura de trama para sistemas de múltiples portadoras

Also Published As

Publication number Publication date
ES2443299T3 (es) 2014-02-18
WO2010004382A3 (en) 2010-06-10
KR20110033211A (ko) 2011-03-30
KR101562082B1 (ko) 2015-10-20
EP2294738A2 (en) 2011-03-16
WO2010004382A2 (en) 2010-01-14
EP2294738B1 (en) 2013-10-23
PL2294738T3 (pl) 2014-05-30
JP5242780B2 (ja) 2013-07-24
US8385445B2 (en) 2013-02-26
CN102090008A (zh) 2011-06-08
ITTO20080472A1 (it) 2009-12-17
JP2011524680A (ja) 2011-09-01
US20110122960A1 (en) 2011-05-26
CN102090008B (zh) 2014-11-12

Similar Documents

Publication Publication Date Title
HK1155588A1 (en) Permutation of ldpc coded bits to be applied before qam constellation mapping
HK1150688A1 (en) Bit permutation patterns for ldpc coded modulation and qam constellations ldpc qam
ZA201307869B (en) Drill bits with axcially-tapered waterways
GB201113199D0 (en) Dynamic updating of thresholds in accordance with operating conditions
EP2145437A4 (en) METHODS AND SYSTEMS USED FOR MAPPING CODE WORDS ON LAYERS
GB0816880D0 (en) Improvements in or relating to organic compounds
SG10201709677PA (en) Organic electronic devices, compositions, and methods
HUE047538T2 (hu) Szimbólumhozzárendelési eljárás ismételt csatornakódolás számára
EP2443195A4 (en) COMPOSITIONS OF POLYELECTROLYTE MIXTURES WITH NANOAPARTICLES FOR ORGANIC / INORGANIC COMPOSITE MIXTURE MEMBRANE
EP2377037A4 (en) REMOTE DESKTOP PROTOCOL CODING ARCHITECTURE BASED ON USER MODE
EP2421212A4 (en) METHOD OF MAPPING CONSTELLATION
GB0801268D0 (en) Improvements to electrolysis
EP2418244A4 (en) RUBBER COMPOSITION
EP2316879A4 (en) RUBBER COMPOSITION
EP2274842A4 (en) LDPC-CODED MULTI-RANGE MODULATION SCHEME
EP2316880A4 (en) RUBBER COMPOSITION
GB0912646D0 (en) Improvements in or relating to organic compounds
EP2365956A4 (en) CURCUMIN COMPRISING SUSTAINED, PROLONGED NATURAL FUNCTIONAL GROUPS
EP2256157A4 (en) RUBBER COMPOSITION
EP2298834A4 (en) RUBBER COMPOSITION
EP2439236A4 (en) RUBBER COMPOSITION
EP2301997A4 (en) RUBBER COMPOSITION
GB0901712D0 (en) Improvements in or relating to organic compounds
GB0921601D0 (en) Improvements in or relating to organic compounds
GB0915943D0 (en) Improvements in or relating to organic compounds