JP3815557B2 - 符号化装置及び符号化方法、並びに復号装置及び復号方法 - Google Patents

符号化装置及び符号化方法、並びに復号装置及び復号方法 Download PDF

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JP3815557B2
JP3815557B2 JP2002247318A JP2002247318A JP3815557B2 JP 3815557 B2 JP3815557 B2 JP 3815557B2 JP 2002247318 A JP2002247318 A JP 2002247318A JP 2002247318 A JP2002247318 A JP 2002247318A JP 3815557 B2 JP3815557 B2 JP 3815557B2
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decoding
degree sequence
check matrix
quantization width
encoding
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JP2004088468A5 (enExample
JP2004088468A (ja
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敦 菊池
雅之 服部
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Sony Corp
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Sony Corp
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/65Purpose and implementation aspects
    • H03M13/6577Representation or format of variables, register sizes or word-lengths and quantization
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error 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
    • H03M13/11Error 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
    • H03M13/1102Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1105Decoding
    • H03M13/1111Soft-decision decoding, e.g. by means of message passing or belief propagation algorithms

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  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
JP2002247318A 2002-08-27 2002-08-27 符号化装置及び符号化方法、並びに復号装置及び復号方法 Expired - Fee Related JP3815557B2 (ja)

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JP2002247318A JP3815557B2 (ja) 2002-08-27 2002-08-27 符号化装置及び符号化方法、並びに復号装置及び復号方法
US10/648,093 US7055090B2 (en) 2002-08-27 2003-08-26 Coding apparatus, coding method, decoding apparatus, and decoding method

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Application Number Priority Date Filing Date Title
JP2002247318A JP3815557B2 (ja) 2002-08-27 2002-08-27 符号化装置及び符号化方法、並びに復号装置及び復号方法

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JP2004088468A JP2004088468A (ja) 2004-03-18
JP2004088468A5 JP2004088468A5 (enExample) 2005-04-21
JP3815557B2 true JP3815557B2 (ja) 2006-08-30

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US (1) US7055090B2 (enExample)
JP (1) JP3815557B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017534190A (ja) * 2015-10-13 2017-11-16 華為技術有限公司Huawei Technologies Co.,Ltd. 復号デバイスおよび方法、および信号送信システム

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8140931B2 (en) * 2003-07-03 2012-03-20 Dtvg Licensing, Inc. Method and system for generating parallel decodable low density parity check (LDPC) codes
KR100922956B1 (ko) 2003-10-14 2009-10-22 삼성전자주식회사 저밀도 패리티 검사 코드의 부호화 방법
US20050160351A1 (en) * 2003-12-26 2005-07-21 Ko Young J. Method of forming parity check matrix for parallel concatenated LDPC code
KR100684168B1 (ko) * 2004-12-09 2007-02-20 한국전자통신연구원 최적붙임방법을 이용한 다중 부호율 ldpc 부호의디자인 방법
JP4551740B2 (ja) * 2004-11-08 2010-09-29 株式会社東芝 低密度パリティチェック符号復号器及び方法
JP4595650B2 (ja) * 2005-04-25 2010-12-08 ソニー株式会社 復号装置および復号方法
KR100693833B1 (ko) * 2005-07-19 2007-03-12 삼성전자주식회사 고정 노이즈 분산값을 사용하는 디코더 및 디코딩 방법
US7707479B2 (en) 2005-12-13 2010-04-27 Samsung Electronics Co., Ltd. Method of generating structured irregular low density parity checkcodes for wireless systems
US8306125B2 (en) * 2006-06-21 2012-11-06 Digital Video Systems, Inc. 2-bin parallel decoder for advanced video processing
US8607228B2 (en) 2006-08-08 2013-12-10 Intel Corporation Virtualizing performance counters
KR100712606B1 (ko) * 2006-09-25 2007-05-02 (주)카이로넷 채널 디코딩의 성능을 개선하기 위하여 가변적인 양자화스텝 사이즈를 결정하는 방법, 가변적인 양자화 스텝사이즈를 기초로 채널 디코딩을 수행하는 방법 및 장치
US8204753B2 (en) * 2007-08-23 2012-06-19 Texas Instruments Incorporated Stabilization and glitch minimization for CCITT recommendation G.726 speech CODEC during packet loss scenarios by regressor control and internal state updates of the decoding process
JP4626827B2 (ja) * 2007-10-19 2011-02-09 ソニー株式会社 受信装置および方法、並びにプログラム
US8739009B1 (en) * 2007-12-27 2014-05-27 Marvell International Ltd. Methods and apparatus for defect detection and correction via iterative decoding algorithms
JP4572937B2 (ja) * 2008-01-23 2010-11-04 ソニー株式会社 復号装置および方法、プログラム、並びに記録媒体
JP5135121B2 (ja) * 2008-08-22 2013-01-30 株式会社東芝 データ受信装置、データ受信方法、及びデータ受信プログラム
WO2010027136A1 (en) * 2008-09-03 2010-03-11 Lg Electronics Inc. Realy station and method of operating the same
KR101442259B1 (ko) * 2008-09-03 2014-09-25 엘지전자 주식회사 무선통신 시스템에서 중계기의 동작 방법
US8730825B2 (en) * 2009-05-26 2014-05-20 Indian Institute Of Science Packet retransmission optimization in wireless network
US9077377B2 (en) 2010-02-10 2015-07-07 Panasonic Intellectual Property Management Co., Ltd. Transmission device and reception device for communication in an environment with strong external noise, and transmission method and reception method for the same
US8681619B2 (en) * 2010-04-08 2014-03-25 Landis+Gyr Technologies, Llc Dynamic modulation selection
JP2014053297A (ja) * 2012-08-08 2014-03-20 Nitto Denko Corp 蓄電デバイス用正極、蓄電デバイスおよび蓄電デバイス正極用スラリーの製造方法
CN108886372B (zh) * 2016-04-06 2022-08-23 日本电信电话株式会社 无线通信系统以及通信方法
US12050279B2 (en) 2019-11-27 2024-07-30 Rockwell Collins, Inc. Doppler nulling spatial awareness (DNSA) solutions for non-terrestrial networks
US12407393B2 (en) 2019-11-27 2025-09-02 Rockwell Collins, Inc. System and method for spatial awareness overlay onto mobile ad hoc network (MANET) frequent message preambles
US12326506B2 (en) 2019-11-27 2025-06-10 Rockwell Collins, Inc. DNS spatial discoveries with on-going traffic
US12111406B2 (en) 2019-11-27 2024-10-08 Rockwell Collins, Inc. Adaptive doppler-nulling digitization for high-resolution
US12366625B2 (en) 2019-11-27 2025-07-22 Rockwell Collins, Inc. System and method using passive spatial awareness for GEO network routing
US11977173B2 (en) 2019-11-27 2024-05-07 Rockwell Collins, Inc. Spoofing and denial of service detection and protection with doppler nulling (spatial awareness)
US12137048B2 (en) 2019-11-27 2024-11-05 Rockwell Collins, Inc. System and method for spatial awareness network routing
US12316403B2 (en) 2022-05-20 2025-05-27 Rockwell Collins, Inc. Situational awareness (SA) in radio silence (spatial awareness)
US12153150B2 (en) 2019-11-27 2024-11-26 Rockwell Collins, Inc. Doppler nulling scanning (DNS) security (spatial awareness)
US12477583B2 (en) 2022-06-22 2025-11-18 Rockwell Collins, Inc. Aliasing for cell-based manet
US12335138B2 (en) 2019-11-27 2025-06-17 Rockwell Collins, Inc. Spatial awareness navigation techniques on unmanned aerial vehicles (spatial awareness)
US12474431B2 (en) 2019-11-27 2025-11-18 Rockwell Collins, Inc. Doppler-nulling and two-way timing and ranging (spatial awareness)
US11665658B1 (en) 2021-04-16 2023-05-30 Rockwell Collins, Inc. System and method for application of doppler corrections for time synchronized transmitter and receiver
CN120433779A (zh) * 2024-02-05 2025-08-05 华为技术有限公司 基于ldpc码的通信方法和通信装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6857097B2 (en) * 2001-05-16 2005-02-15 Mitsubishi Electric Research Laboratories, Inc. Evaluating and optimizing error-correcting codes using a renormalization group transformation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017534190A (ja) * 2015-10-13 2017-11-16 華為技術有限公司Huawei Technologies Co.,Ltd. 復号デバイスおよび方法、および信号送信システム
US10447300B2 (en) 2015-10-13 2019-10-15 Hauwei Technologies Co., Ltd. Decoding device, decoding method, and signal transmission system

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US7055090B2 (en) 2006-05-30
US20040123228A1 (en) 2004-06-24
JP2004088468A (ja) 2004-03-18

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