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 PDFInfo
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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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- Prior art keywords
- decoding
- degree sequence
- check matrix
- quantization width
- encoding
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- 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
- H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
-
- 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
- H03M13/1105—Decoding
- H03M13/1111—Soft-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)
Priority Applications (2)
| 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 |
| US10/648,093 US7055090B2 (en) | 2002-08-27 | 2003-08-26 | Coding apparatus, coding method, decoding apparatus, and decoding method |
Applications Claiming Priority (1)
| 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004088468A JP2004088468A (ja) | 2004-03-18 |
| JP2004088468A5 JP2004088468A5 (enExample) | 2005-04-21 |
| JP3815557B2 true JP3815557B2 (ja) | 2006-08-30 |
Family
ID=32054999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002247318A Expired - Fee Related 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 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7055090B2 (enExample) |
| JP (1) | JP3815557B2 (enExample) |
Cited By (1)
| 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 |
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| 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)
| 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 |
-
2002
- 2002-08-27 JP JP2002247318A patent/JP3815557B2/ja not_active Expired - Fee Related
-
2003
- 2003-08-26 US US10/648,093 patent/US7055090B2/en not_active Expired - Fee Related
Cited By (2)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7055090B2 (en) | 2006-05-30 |
| US20040123228A1 (en) | 2004-06-24 |
| JP2004088468A (ja) | 2004-03-18 |
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