JP5020247B2 - 無線通信装置および誤り検出符号化方法 - Google Patents
無線通信装置および誤り検出符号化方法 Download PDFInfo
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- JP5020247B2 JP5020247B2 JP2008530964A JP2008530964A JP5020247B2 JP 5020247 B2 JP5020247 B2 JP 5020247B2 JP 2008530964 A JP2008530964 A JP 2008530964A JP 2008530964 A JP2008530964 A JP 2008530964A JP 5020247 B2 JP5020247 B2 JP 5020247B2
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- 238000001514 detection method Methods 0.000 title claims description 64
- 238000004891 communication Methods 0.000 title claims description 57
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- 230000005540 biological transmission Effects 0.000 claims description 46
- 239000011159 matrix material Substances 0.000 claims description 40
- 230000009897 systematic effect Effects 0.000 claims description 34
- 208000011580 syndromic disease Diseases 0.000 claims description 23
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- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
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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
- H03M13/03—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
-
- 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
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- 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
- H04L1/0072—Error control for data other than payload data, e.g. control data
- H04L1/0073—Special arrangements for feedback channel
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
-
- 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
- H03M13/6306—Error control coding in combination with Automatic Repeat reQuest [ARQ] and diversity transmission, e.g. coding schemes for the multiple transmission of the same information or the transmission of incremental redundancy
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Description
Low-Density Parity-Check (LDPC) Coded OFDM Systems - Coding/Decoding Over Time and Frequency Domains -, Hisashi FUTAKI and Tomoaki OHTSUKI, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS, TECHNICAL REPORT OF IEICE, NS2001-91, RCS2001-92, pp.79-84, 2001-07 R1-051383, "Rate-compatible LDPC codes with low complexity & decoder", Mitsubishi Electric Corporation, NTT DoCoMo, 3GPP TSG-RAN WG1 #43 Meeting 寄書, 2005/11
ビットのLDPC符号化データのうち、1ビット目の列重みは11となり、2ビット目の列重みは9となる。3ビット目〜24ビット目についても同様である。
きる。
り検出に要する処理時間を削減することができるとともに、再送遅延を減少させることができる。
バイオ技術の適用等が可能性としてありえる。
Claims (9)
- 送信ビット列のうちLDPC符号化の検査行列の列重みが閾値未満のビットのみに対して誤り検出符号化を行って第1符号化データを得る第1符号化手段と、
前記第1符号化データに対して前記検査行列を用いたLDPC符号化を行って第2符号化データを得る第2符号化手段と、
前記第2符号化データを送信する送信手段と、を具備し、
前記閾値は、前記送信ビット列の各ビットに対応する列重みのうちの最大値および最小値を基に算出した値である、
データ送信側の無線通信装置。 - 前記第1符号化手段は、前記列重みが閾値未満のビットのみに対するCRCビットを前記送信ビット列に付加する前記誤り検出符号化を行う、
請求項1記載の無線通信装置。 - 受信データに対しLDPC復号を行って復号ビット列を得るとともに、前記復号ビット列と前記LDPC復号の検査行列とからシンドローム値を求める復号手段と、
前記シンドローム値の総和が閾値未満の場合にのみ前記復号ビット列のシステマチックビットに対する誤り検出を行う誤り検出手段と、
を具備するデータ受信側の無線通信装置。 - 前記誤り検出手段は、前記検査行列の列重みが閾値未満のシステマチックビットのみに対して前記誤り検出を行う、
請求項3記載の無線通信装置。 - 請求項1記載の無線通信装置を具備する無線通信基地局装置。
- 請求項1記載の無線通信装置を具備する無線通信移動局装置。
- 請求項3記載の無線通信装置を具備する無線通信基地局装置。
- 請求項3記載の無線通信装置を具備する無線通信移動局装置。
- LDPC符号化がなされる送信ビット列に対する誤り検出符号化方法であって、
前記送信ビット列のうちLDPC符号化の検査行列の列重みが閾値未満のビットのみに対して誤り検出符号化を行い、
前記閾値は、前記送信ビット列の各ビットに対応する列重みのうちの最大値および最小値を基に算出した値である、
誤り検出符号化方法。
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JP2008530964A JP5020247B2 (ja) | 2006-08-25 | 2007-08-24 | 無線通信装置および誤り検出符号化方法 |
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JP2006229810 | 2006-08-25 | ||
JP2006229810 | 2006-08-25 | ||
JP2008530964A JP5020247B2 (ja) | 2006-08-25 | 2007-08-24 | 無線通信装置および誤り検出符号化方法 |
PCT/JP2007/066444 WO2008023790A1 (fr) | 2006-08-25 | 2007-08-24 | Dispositif de communication sans fil et procédé de codage à détection d'erreur |
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JPWO2008023790A1 JPWO2008023790A1 (ja) | 2010-01-14 |
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US (1) | US8225169B2 (ja) |
EP (1) | EP2056465A4 (ja) |
JP (1) | JP5020247B2 (ja) |
CN (1) | CN101502002A (ja) |
WO (1) | WO2008023790A1 (ja) |
Families Citing this family (9)
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CN103354456B (zh) | 2008-07-02 | 2017-06-23 | 松下电器(美国)知识产权公司 | 发送装置、接收装置、发送方法和接收方法 |
US8181084B1 (en) * | 2008-08-14 | 2012-05-15 | Marvell International Ltd. | Detecting insertion/deletion using LDPC code |
CN102130745B (zh) * | 2011-04-07 | 2013-04-17 | 山东大学 | 一种改进的ldpc码的线性规划译码方法 |
US9166663B2 (en) * | 2012-12-14 | 2015-10-20 | Futurewei Technologies, Inc. | System and method for open-loop MIMO communications in a SCMA communications system |
KR20180063475A (ko) | 2016-12-02 | 2018-06-12 | 삼성전자주식회사 | 반도체 장치의 오류 검출 코드 생성 회로, 이를 포함하는 메모리 컨트롤러 및 반도체 메모리 장치 |
CN106559180B (zh) * | 2016-12-08 | 2019-08-02 | 西安烽火电子科技有限责任公司 | 基于速率兼容ldpc码的arq短报文通信方法 |
TWI652677B (zh) * | 2017-11-29 | 2019-03-01 | 群聯電子股份有限公司 | 解碼方法、記憶體儲存裝置及記憶體控制電路單元 |
CN114050889B (zh) * | 2021-11-06 | 2023-09-26 | 东南大学 | 一种带权错误检测的低功耗广域网抗干扰方法 |
CN115037415B (zh) * | 2022-05-31 | 2024-02-09 | 江苏屹信航天科技有限公司 | 基于crc的纠错编码的方法、装置、终端 |
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JP2005039585A (ja) * | 2003-07-16 | 2005-02-10 | Science Univ Of Tokyo | 情報送信方法及び装置 |
JP2006060695A (ja) * | 2004-08-23 | 2006-03-02 | Science Univ Of Tokyo | 情報復号方法、情報符号化方法、情報通信方法、情報復号装置、送信装置及び情報通信システム |
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JPH0946321A (ja) | 1995-08-01 | 1997-02-14 | Fujitsu Ltd | データ通信方法及び装置 |
US7184486B1 (en) * | 2000-04-27 | 2007-02-27 | Marvell International Ltd. | LDPC encoder and decoder and method thereof |
US20030152158A1 (en) * | 2002-02-11 | 2003-08-14 | Vocal Technologies, Ltd. | Method of asymmetrical forward error correction in a communication system. application to wireless local area networks (WLAN) using turbo codes and low density parity check codes |
CA2454574C (en) * | 2002-07-03 | 2008-12-09 | Hughes Electronics Corporation | Method and system for memory management in low density parity check (ldpc) decoders |
US7103825B2 (en) * | 2003-08-19 | 2006-09-05 | Mitsubishi Electric Research Laboratories, Inc. | Decoding error-correcting codes based on finite geometries |
JP2006229810A (ja) | 2005-02-21 | 2006-08-31 | Seiko Epson Corp | 複数画素ずつコード化しながら画像を出力する画像出力システム |
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- 2007-08-24 CN CNA2007800288981A patent/CN101502002A/zh active Pending
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Patent Citations (4)
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JP2000004171A (ja) * | 1998-06-15 | 2000-01-07 | Oki Electric Ind Co Ltd | 移動体通信方法 |
JP2004253017A (ja) * | 2003-02-18 | 2004-09-09 | Fujitsu Ltd | 記録媒体再生装置、記録媒体再生方法およびハードディスクコントローラ |
JP2005039585A (ja) * | 2003-07-16 | 2005-02-10 | Science Univ Of Tokyo | 情報送信方法及び装置 |
JP2006060695A (ja) * | 2004-08-23 | 2006-03-02 | Science Univ Of Tokyo | 情報復号方法、情報符号化方法、情報通信方法、情報復号装置、送信装置及び情報通信システム |
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US20100241934A1 (en) | 2010-09-23 |
EP2056465A1 (en) | 2009-05-06 |
US8225169B2 (en) | 2012-07-17 |
EP2056465A4 (en) | 2010-07-21 |
JPWO2008023790A1 (ja) | 2010-01-14 |
CN101502002A (zh) | 2009-08-05 |
WO2008023790A1 (fr) | 2008-02-28 |
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