CN1227820C - 优化的增强解码器 - Google Patents
优化的增强解码器 Download PDFInfo
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- CN1227820C CN1227820C CNB018096492A CN01809649A CN1227820C CN 1227820 C CN1227820 C CN 1227820C CN B018096492 A CNB018096492 A CN B018096492A CN 01809649 A CN01809649 A CN 01809649A CN 1227820 C CN1227820 C CN 1227820C
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Classifications
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- H—ELECTRICITY
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- 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
-
- 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
- H03M13/3922—Add-Compare-Select [ACS] operation in forward or backward recursions
-
- 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
- H03M13/37—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
- H03M13/3961—Arrangements of methods for branch or transition metric calculation
-
- 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
- H03M13/3972—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using sliding window techniques or parallel windows
-
- 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
- H03M13/658—Scaling by multiplication or division
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Detection And Correction Of Errors (AREA)
- Amplifiers (AREA)
Abstract
Description
位0~3 | 位4~7 | 位8~11 | 位12~15 |
z2s1(it_no=1-5) | |||
z2s2(it_no=1-5) | |||
z2s3(it_no=1-5) | |||
... | |||
... |
z2sN(it_no=1-5) |
住0~3 | 位4~7 | 位8~11 | 位12~15 |
z1s1(it_no=1-5) | |||
z1s2(it_no=1-5) | |||
z1s3(it_no=1-5) | |||
... | |||
... | |||
z1sN(it_no=1-5) |
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10012873A DE10012873A1 (de) | 2000-03-16 | 2000-03-16 | Optimierter Turbo-Decodierer |
DE10012873.4 | 2000-03-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1429428A CN1429428A (zh) | 2003-07-09 |
CN1227820C true CN1227820C (zh) | 2005-11-16 |
Family
ID=7634982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018096492A Expired - Fee Related CN1227820C (zh) | 2000-03-16 | 2001-03-12 | 优化的增强解码器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6865712B2 (zh) |
EP (1) | EP1269633B1 (zh) |
JP (1) | JP2003527026A (zh) |
CN (1) | CN1227820C (zh) |
AT (1) | ATE268517T1 (zh) |
DE (2) | DE10012873A1 (zh) |
WO (1) | WO2001069789A2 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2811169B1 (fr) * | 2000-06-28 | 2002-09-06 | Canon Kk | Procede et dispositif de decodage et systemes les mettant en oeuvre |
US6961921B2 (en) * | 2001-09-06 | 2005-11-01 | Interdigital Technology Corporation | Pipeline architecture for maximum a posteriori (MAP) decoders |
JP2004080508A (ja) * | 2002-08-20 | 2004-03-11 | Nec Electronics Corp | 誤り訂正符号の復号方法、そのプログラム及びその装置 |
US20050289433A1 (en) * | 2004-06-25 | 2005-12-29 | Itschak Weissman | Discrete universal denoising with error correction coding |
US8023581B2 (en) * | 2006-09-19 | 2011-09-20 | Nec Laboratories America, Inc. | Max-log receiver for multiple-input multiple-output (MIMO) systems |
WO2008144001A1 (en) * | 2007-05-16 | 2008-11-27 | Thomson Licensing | Apparatus and method for encoding and decoding signals |
EP2521295A3 (en) | 2007-10-15 | 2013-10-23 | Thomson Licensing | High definition television transmission with mobile capability |
WO2009051691A2 (en) * | 2007-10-15 | 2009-04-23 | Thomson Licensing | Apparatus and method for communicating burst mode activity |
US8321744B2 (en) * | 2008-09-16 | 2012-11-27 | Analog Devices, Inc. | Channel adaptive iterative turbo decoder system and method |
KR20230081244A (ko) * | 2021-11-30 | 2023-06-07 | 삼성전자주식회사 | 통신 및 방송 시스템에서 데이터 복호화 방법 및 장치 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2161467C (en) * | 1994-11-18 | 2001-01-30 | Kumar Ramaswamy | Apparatus for demodulating and decoding satellite, terrestrial and cable transmitted digital television data |
DE69942634D1 (de) | 1998-08-14 | 2010-09-09 | Qualcomm Inc | Speicherarchitektur für map dekoder |
EP1030457B1 (en) * | 1999-02-18 | 2012-08-08 | Imec | Methods and system architectures for turbo decoding |
US6580769B1 (en) * | 2000-02-14 | 2003-06-17 | Motorola, Inc. | Method and apparatus for backward recursion next state generation in recursive convolutional decoding |
-
2000
- 2000-03-16 DE DE10012873A patent/DE10012873A1/de not_active Withdrawn
-
2001
- 2001-03-12 EP EP01923516A patent/EP1269633B1/de not_active Expired - Lifetime
- 2001-03-12 DE DE50102478T patent/DE50102478D1/de not_active Expired - Lifetime
- 2001-03-12 CN CNB018096492A patent/CN1227820C/zh not_active Expired - Fee Related
- 2001-03-12 WO PCT/DE2001/000983 patent/WO2001069789A2/de active IP Right Grant
- 2001-03-12 JP JP2001567134A patent/JP2003527026A/ja not_active Ceased
- 2001-03-12 AT AT01923516T patent/ATE268517T1/de not_active IP Right Cessation
-
2002
- 2002-09-16 US US10/244,790 patent/US6865712B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1269633A2 (de) | 2003-01-02 |
US20030067868A1 (en) | 2003-04-10 |
CN1429428A (zh) | 2003-07-09 |
WO2001069789A3 (de) | 2002-05-10 |
EP1269633B1 (de) | 2004-06-02 |
WO2001069789A2 (de) | 2001-09-20 |
DE50102478D1 (de) | 2004-07-08 |
US6865712B2 (en) | 2005-03-08 |
JP2003527026A (ja) | 2003-09-09 |
ATE268517T1 (de) | 2004-06-15 |
DE10012873A1 (de) | 2001-09-27 |
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