CA2893314C - Digital communication system - Google Patents

Digital communication system Download PDF

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Publication number
CA2893314C
CA2893314C CA2893314A CA2893314A CA2893314C CA 2893314 C CA2893314 C CA 2893314C CA 2893314 A CA2893314 A CA 2893314A CA 2893314 A CA2893314 A CA 2893314A CA 2893314 C CA2893314 C CA 2893314C
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Canada
Prior art keywords
soft
recursive
ldgm
decoder
demodulator
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CA2893314A
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English (en)
French (fr)
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CA2893314A1 (en
Inventor
Ingmar Rudiger LAND
Gottfried LECHNER
Alexander James Grant
David Victor Lawrie Haley
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Myriota Pty Ltd
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Myriota Pty Ltd
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Priority claimed from AU2012905588A external-priority patent/AU2012905588A0/en
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Publication of CA2893314A1 publication Critical patent/CA2893314A1/en
Application granted granted Critical
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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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • 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
    • H03M13/1157—Low-density generator matrices [LDGM]
    • 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
    • H03M13/1191—Codes on graphs other than LDPC codes
    • H03M13/1194—Repeat-accumulate [RA] codes
    • H03M13/1197—Irregular repeat-accumulate [IRA] 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
    • 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
    • H03M13/2957—Turbo codes and decoding
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3784—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 for soft-output decoding of 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
    • H03M13/61—Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
    • H03M13/615—Use of computational or mathematical techniques
    • H03M13/616—Matrix operations, especially for generator matrices or check matrices, e.g. column or row 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6325—Error control coding in combination with demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • 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
    • H04L1/0041—Arrangements at the transmitter end
    • H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6331—Error control coding in combination with equalisation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Electromagnetism (AREA)
  • Algebra (AREA)
  • Computing Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Error Detection And Correction (AREA)
CA2893314A 2012-12-20 2013-12-20 Digital communication system Active CA2893314C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2012905588A AU2012905588A0 (en) 2012-12-20 Digital Communication System
AU2012905588 2012-12-20
PCT/AU2013/001501 WO2014094064A1 (en) 2012-12-20 2013-12-20 Digital communication system

Publications (2)

Publication Number Publication Date
CA2893314A1 CA2893314A1 (en) 2014-06-26
CA2893314C true CA2893314C (en) 2019-07-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2893314A Active CA2893314C (en) 2012-12-20 2013-12-20 Digital communication system

Country Status (6)

Country Link
US (1) US9548877B2 (enExample)
EP (1) EP2936689B1 (enExample)
JP (1) JP6144357B2 (enExample)
AU (1) AU2013362820B2 (enExample)
CA (1) CA2893314C (enExample)
WO (1) WO2014094064A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106063175B (zh) * 2014-12-08 2020-03-06 Lg电子株式会社 广播信号发送装置、广播信号接收装置、广播信号发送方法以及广播信号接收方法
WO2017025133A1 (en) * 2015-08-11 2017-02-16 Telecom Italia S.P.A. Receiver for wireless communication networks
US10312945B2 (en) * 2017-02-13 2019-06-04 Lg Electronics Inc. Channel coding method using concatenated code structure and apparatus therefor
US10135475B1 (en) * 2017-10-11 2018-11-20 The Boeing Company Dynamic low-latency processing circuits using interleaving
US10715276B2 (en) 2018-05-26 2020-07-14 Ntwine, Llc Bandwidth constrained communication systems with optimized low-density parity-check codes
WO2021181278A1 (en) 2020-03-10 2021-09-16 Ntwine, Llc Bandwidth constrained communication systems with frequency domain information processing
US11990922B2 (en) 2021-01-11 2024-05-21 Ntwine, Llc Bandwidth constrained communication systems with neural network based detection
KR102602449B1 (ko) * 2021-10-07 2023-11-14 국방과학연구소 상향 링크 위성 통신의 비직교 다중 접속 시스템에서 신호 재생성을 이용한 간섭 제거 장치, 방법, 컴퓨터 판독 가능한 기록 매체 및 컴퓨터 프로그램

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69827885T2 (de) * 1997-09-02 2005-12-01 Alcatel Verfahren zur Erzeugung eines Multimodulationsrahmens und zugehöriger Modulator
JP2001251226A (ja) * 2000-03-03 2001-09-14 Yrp Kokino Idotai Tsushin Kenkyusho:Kk 双方向ビタビ型等化器
US6865235B2 (en) * 2001-03-06 2005-03-08 Agere Systems Inc. Multi-protocol modulator
US7418051B2 (en) * 2003-11-26 2008-08-26 Lucent Technologies Inc. Nonsystematic repeat-accumulate codes for encoding and decoding information in a communication system
WO2008155764A2 (en) * 2007-06-18 2008-12-24 Duolink Ltd. Wireless network architecture and method for base station utilization
JP2012191602A (ja) * 2011-02-25 2012-10-04 Nagoya Institute Of Technology 受信装置

Also Published As

Publication number Publication date
US20150333942A1 (en) 2015-11-19
EP2936689B1 (en) 2020-03-25
AU2013362820B2 (en) 2017-04-20
AU2013362820A1 (en) 2015-06-11
US9548877B2 (en) 2017-01-17
EP2936689A1 (en) 2015-10-28
WO2014094064A1 (en) 2014-06-26
CA2893314A1 (en) 2014-06-26
EP2936689A4 (en) 2016-10-19
JP2016506661A (ja) 2016-03-03
JP6144357B2 (ja) 2017-06-07

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