WO2002019538A1 - Decodeur - Google Patents
Decodeur Download PDFInfo
- Publication number
- WO2002019538A1 WO2002019538A1 PCT/JP2001/007575 JP0107575W WO0219538A1 WO 2002019538 A1 WO2002019538 A1 WO 2002019538A1 JP 0107575 W JP0107575 W JP 0107575W WO 0219538 A1 WO0219538 A1 WO 0219538A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- decoding
- reception value
- circuit
- selecting
- decoded
- Prior art date
Links
Classifications
-
- 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
- H03M13/2771—Internal interleaver for turbo 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
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
- H03M13/235—Encoding of convolutional codes, e.g. methods or arrangements for parallel or block-wise encoding
-
- 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
- H03M13/2767—Interleaver wherein the permutation pattern or a portion thereof is stored
-
- 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
- H03M13/2903—Methods and arrangements specifically for encoding, e.g. parallel encoding of a plurality of constituent 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
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/3905—Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding
- H03M13/3911—Correction factor, e.g. approximations of the exp(1+x) function
-
- 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
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/3905—Maximum a posteriori probability [MAP] decoding or approximations thereof based on trellis or lattice decoding, e.g. forward-backward algorithm, log-MAP decoding, max-log-MAP decoding
- H03M13/3927—Log-Likelihood Ratio [LLR] computation by combination of forward and backward metrics into LLRs
-
- 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
- H03M13/6566—Implementations concerning memory access contentions
-
- 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
- H03M13/6572—Implementations using a tree structure, e.g. implementations in which the complexity is reduced by a tree structure from O(n) to O (log(n))
-
- 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
- H04L1/0043—Realisations of complexity reduction techniques, e.g. use of look-up tables
-
- 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
- H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
-
- 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
- H04L1/0055—MAP-decoding
-
- 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
- H04L1/0059—Convolutional 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
- H04L1/0071—Use of interleaving
-
- 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
- H04L1/0066—Parallel concatenated codes
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01961289A EP1315301A4 (en) | 2000-08-31 | 2001-08-31 | decoding arrangement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-263110 | 2000-08-31 | ||
JP2000263110A JP2002076925A (ja) | 2000-08-31 | 2000-08-31 | 軟出力復号装置及び軟出力復号方法、並びに、復号装置及び復号方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002019538A1 true WO2002019538A1 (fr) | 2002-03-07 |
Family
ID=18750698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/007575 WO2002019538A1 (fr) | 2000-08-31 | 2001-08-31 | Decodeur |
Country Status (4)
Country | Link |
---|---|
US (1) | US20030106011A1 (ja) |
EP (1) | EP1315301A4 (ja) |
JP (1) | JP2002076925A (ja) |
WO (1) | WO2002019538A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10064929A1 (de) * | 2000-12-23 | 2002-07-04 | Alcatel Sa | Verfahren und Kompensationsmodul zur Phasenkompensation von Taktsignalen |
US7123668B2 (en) * | 2002-09-23 | 2006-10-17 | Agere Systems Inc. | Simple detector and method for QPSK symbols |
TWI228654B (en) * | 2003-07-11 | 2005-03-01 | Mediatek Inc | Non-binary Viterbi data processing system and method |
US20050102600A1 (en) * | 2003-11-10 | 2005-05-12 | Anand Anandakumar | High data rate communication system for wireless applications |
KR100706608B1 (ko) * | 2005-07-19 | 2007-04-13 | 한국전자통신연구원 | 이중 스트림 전송에 적합한 부호기 추정 방법 및 이를이용한 부호화 장치 |
KR100651847B1 (ko) * | 2005-09-05 | 2006-12-01 | 엘지전자 주식회사 | 다중 순환 부호화를 이용한 터보 부호의 부호화/복호 장치및 방법 |
US8140946B2 (en) * | 2007-03-27 | 2012-03-20 | Hughes Network Systems, Llc | Method and apparatus for generating low rate turbo codes |
US8630987B2 (en) * | 2008-07-16 | 2014-01-14 | Cleversafe, Inc. | System and method for accessing a data object stored in a distributed storage network |
KR20120129174A (ko) * | 2011-05-19 | 2012-11-28 | 한국전자통신연구원 | 복수의 메트릭들을 선택하는 방법 및 이를 이용한 수신기 |
US8694973B2 (en) * | 2011-09-27 | 2014-04-08 | Unisys Corporation | Abstracting computational instructions to improve performance |
CN110679083B (zh) | 2017-03-31 | 2023-11-17 | 杜比国际公司 | 动态范围控制反演 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001007711A (ja) * | 1999-06-23 | 2001-01-12 | Fujitsu Ltd | ターボ復号器 |
JP2001168738A (ja) * | 1999-12-10 | 2001-06-22 | Mitsubishi Electric Corp | 軟判定情報出力方法、復号・誤り訂正装置、データ受信装置 |
JP2001211088A (ja) * | 2000-01-27 | 2001-08-03 | Seiko Epson Corp | データ誤り訂正方法及び装置 |
JP2001257602A (ja) * | 2000-03-10 | 2001-09-21 | Seiko Epson Corp | データ誤り訂正方法及び装置 |
JP2001266500A (ja) * | 2000-03-23 | 2001-09-28 | Sony Corp | データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法 |
JP2001266499A (ja) * | 2000-03-23 | 2001-09-28 | Sony Corp | データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0362630A (ja) * | 1989-07-31 | 1991-03-18 | Nec Eng Ltd | 衛星通信方式 |
US6023783A (en) * | 1996-05-15 | 2000-02-08 | California Institute Of Technology | Hybrid concatenated codes and iterative decoding |
US6161209A (en) * | 1997-03-28 | 2000-12-12 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre | Joint detector for multiple coded digital signals |
ES2344299T3 (es) * | 1997-07-30 | 2010-08-24 | Samsung Electronics Co., Ltd. | Metodo y dispositivo para codificacion de canal adaptativo. |
KR19990012821A (ko) * | 1997-07-31 | 1999-02-25 | 홍성용 | 전자기파 흡수체 조성물과 이의 제조 방법, 전자기파 흡수용도료 조성물과 이의 제조 방법 및 이의 도포 방법 |
WO1999012265A1 (fr) * | 1997-09-02 | 1999-03-11 | Sony Corporation | Codeur/decodeur turbo et procede de codage/decodage turbo |
FI104133B (fi) * | 1997-11-28 | 1999-11-15 | Nokia Mobile Phones Ltd | Koodaus- ja modulointimenetelmä ja laite sen soveltamiseksi |
JP3246484B2 (ja) * | 1999-07-07 | 2002-01-15 | 日本電気株式会社 | ターボデコーダ |
US6453442B1 (en) * | 1999-08-20 | 2002-09-17 | At&T Corp. | Two stage S—Random interleaver |
-
2000
- 2000-08-31 JP JP2000263110A patent/JP2002076925A/ja not_active Withdrawn
-
2001
- 2001-08-31 US US10/111,745 patent/US20030106011A1/en not_active Abandoned
- 2001-08-31 WO PCT/JP2001/007575 patent/WO2002019538A1/ja not_active Application Discontinuation
- 2001-08-31 EP EP01961289A patent/EP1315301A4/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001007711A (ja) * | 1999-06-23 | 2001-01-12 | Fujitsu Ltd | ターボ復号器 |
JP2001168738A (ja) * | 1999-12-10 | 2001-06-22 | Mitsubishi Electric Corp | 軟判定情報出力方法、復号・誤り訂正装置、データ受信装置 |
JP2001211088A (ja) * | 2000-01-27 | 2001-08-03 | Seiko Epson Corp | データ誤り訂正方法及び装置 |
JP2001257602A (ja) * | 2000-03-10 | 2001-09-21 | Seiko Epson Corp | データ誤り訂正方法及び装置 |
JP2001266500A (ja) * | 2000-03-23 | 2001-09-28 | Sony Corp | データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法 |
JP2001266499A (ja) * | 2000-03-23 | 2001-09-28 | Sony Corp | データ記録装置及びデータ記録方法、データ再生装置及びデータ再生方法、並びに、データ記録再生装置及びデータ記録再生方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1315301A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1315301A1 (en) | 2003-05-28 |
JP2002076925A (ja) | 2002-03-15 |
EP1315301A4 (en) | 2006-12-06 |
US20030106011A1 (en) | 2003-06-05 |
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