KR100671619B1 - 복호 장치 및 복호 방법 - Google Patents
복호 장치 및 복호 방법 Download PDFInfo
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- KR100671619B1 KR100671619B1 KR1020067000682A KR20067000682A KR100671619B1 KR 100671619 B1 KR100671619 B1 KR 100671619B1 KR 1020067000682 A KR1020067000682 A KR 1020067000682A KR 20067000682 A KR20067000682 A KR 20067000682A KR 100671619 B1 KR100671619 B1 KR 100671619B1
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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
- H03M13/37—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
-
- 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
- H03M13/395—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using a collapsed trellis, e.g. M-step algorithm, radix-n architectures with n>2
-
- 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
-
- 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
- H03M13/3723—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using means or methods for the initialisation of the decoder
-
- 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
-
- 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
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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)
Abstract
Description
Claims (6)
- 소정 사이즈의 윈도우에 대해서 복수의 처리 계통에서 병렬로 복호 연산을 행하는 복호 장치로서, 상기 윈도우 내에 있어서 상기 복수의 처리 계통수만큼 이전 시점의 전방 확률로부터 현시점의 전방 확률을 순차적으로 연산하는 전방 확률 연산 수단과,상기 윈도우 내에 있어서 상기 복수의 처리 계통수만큼 이후 시점의 후방 확률로부터 현시점의 후방 확률을 순차적으로 연산하는 후방 확률 연산 수단과,상기 전방 확률 및 상기 후방 확률을 이용하여 우도 정보를 연산하는 우도 연산 수단을 가지는 복호 장치.
- 제 1항에 있어서,상기 후방 확률 연산 수단은, 상기 윈도우보다 이후 시점의 데이터를 트레이닝 데이터로 하여 현시점의 후방 확률을 연산하는 복호 장치.
- 제2항에 있어서,상기 후방 확률 연산 수단은, 상기 복수의 처리 계통에서 공통된 트레이닝 데이터를 이용하는 복호 장치.
- 제1항에 기재한 복호 장치를 가지는 기지국 장치.
- 제1항에 기재한 복호 장치를 가지는 이동국 장치.
- 소정 사이즈의 윈도우에 대해서 복수의 처리 계통에서 병렬로 복호 연산을 행하는 복호 방법으로서,상기 윈도우 내에 있어서 상기 복수의 처리 계통수만큼 이후 시점의 후방 확률로부터 현시점의 후방 확률을 순차적으로 연산하는 스텝과,상기 윈도우 내에 있어서 상기 복수의 처리 계통수만큼 이전 시점의 전방 확률로부터 현시점의 전방 확률을 순서대로 연산하는 스텝과,상기 전방 확률이 연산될 때 마다 상기 전방 확률 및 상기 후방 확률을 이용하여 우도 정보를 연산하는 스텝을 가지는 복호 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00273378 | 2003-07-11 | ||
JP2003273378A JP4227481B2 (ja) | 2003-07-11 | 2003-07-11 | 復号装置および復号方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060035743A KR20060035743A (ko) | 2006-04-26 |
KR100671619B1 true KR100671619B1 (ko) | 2007-01-19 |
Family
ID=34056018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067000682A Expired - Fee Related KR100671619B1 (ko) | 2003-07-11 | 2004-07-09 | 복호 장치 및 복호 방법 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7539256B2 (ko) |
EP (1) | EP1655846B1 (ko) |
JP (1) | JP4227481B2 (ko) |
KR (1) | KR100671619B1 (ko) |
CN (1) | CN100547935C (ko) |
DE (1) | DE602004012417T2 (ko) |
WO (1) | WO2005006564A1 (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US7571683B2 (en) * | 2001-03-27 | 2009-08-11 | General Electric Company | Electrical energy capture system with circuitry for blocking flow of undesirable electrical currents therein |
US7929646B2 (en) * | 2006-01-27 | 2011-04-19 | Qualcomm Incorporated | Map decoder with bidirectional sliding window architecture |
US8194760B2 (en) * | 2006-06-01 | 2012-06-05 | Ntt Docomo, Inc. | Method and apparatus for distributed space-time coding in wireless radio networks |
US8027407B2 (en) * | 2006-11-06 | 2011-09-27 | Ntt Docomo, Inc. | Method and apparatus for asynchronous space-time coded transmission from multiple base stations over wireless radio networks |
US8059732B2 (en) | 2006-11-28 | 2011-11-15 | Ntt Docomo, Inc. | Method and apparatus for wideband transmission from multiple non-collocated base stations over wireless radio networks |
US8861356B2 (en) * | 2007-03-13 | 2014-10-14 | Ntt Docomo, Inc. | Method and apparatus for prioritized information delivery with network coding over time-varying network topologies |
US20090285323A1 (en) * | 2008-05-15 | 2009-11-19 | Sundberg Carl-Erik W | Adaptive soft output m-algorithm receiver structures |
US8064548B2 (en) * | 2007-05-18 | 2011-11-22 | Ntt Docomo, Inc. | Adaptive MaxLogMAP-type receiver structures |
US20090075686A1 (en) * | 2007-09-19 | 2009-03-19 | Gomadam Krishna S | Method and apparatus for wideband transmission based on multi-user mimo and two-way training |
US8325840B2 (en) * | 2008-02-25 | 2012-12-04 | Ntt Docomo, Inc. | Tree position adaptive soft output M-algorithm receiver structures |
US8279954B2 (en) * | 2008-03-06 | 2012-10-02 | Ntt Docomo, Inc. | Adaptive forward-backward soft output M-algorithm receiver structures |
US8565329B2 (en) * | 2008-06-03 | 2013-10-22 | Ntt Docomo, Inc. | Soft output M-algorithm receiver structures with generalized survivor selection criteria for MIMO systems |
US8229443B2 (en) * | 2008-08-13 | 2012-07-24 | Ntt Docomo, Inc. | Method of combined user and coordination pattern scheduling over varying antenna and base-station coordination patterns in a multi-cell environment |
US8705484B2 (en) * | 2008-08-15 | 2014-04-22 | Ntt Docomo, Inc. | Method for varying transmit power patterns in a multi-cell environment |
US8451951B2 (en) * | 2008-08-15 | 2013-05-28 | Ntt Docomo, Inc. | Channel classification and rate adaptation for SU-MIMO systems |
US8542640B2 (en) * | 2008-08-28 | 2013-09-24 | Ntt Docomo, Inc. | Inter-cell approach to operating wireless beam-forming and user selection/scheduling in multi-cell environments based on limited signaling between patterns of subsets of cells |
US8855221B2 (en) * | 2008-09-15 | 2014-10-07 | Ntt Docomo, Inc. | Method and apparatus for iterative receiver structures for OFDM/MIMO systems with bit interleaved coded modulation |
US9048977B2 (en) * | 2009-05-05 | 2015-06-02 | Ntt Docomo, Inc. | Receiver terminal driven joint encoder and decoder mode adaptation for SU-MIMO systems |
US8514961B2 (en) * | 2010-02-04 | 2013-08-20 | Ntt Docomo, Inc. | Method and apparatus for distributed space-time coding in wireless radio networks |
US20130142057A1 (en) * | 2011-12-01 | 2013-06-06 | Broadcom Corporation | Control Channel Acquisition |
KR101674724B1 (ko) | 2014-08-25 | 2016-11-09 | 주식회사 엔케이 | 단열블록 고정턱이 형성된 서포트 구조체 및 이를 이용한 2중벽 탱크 |
US20190064223A1 (en) * | 2017-08-25 | 2019-02-28 | Keysight Technologies, Inc. | Method and Apparatus for Detecting the Start of an Event in the Presence of Noise |
EP4115546A4 (en) * | 2020-03-05 | 2023-11-29 | Nokia Technologies Oy | IMPROVED DECODING FOR POLARIZATION CODE |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5933462A (en) * | 1996-11-06 | 1999-08-03 | Qualcomm Incorporated | Soft decision output decoder for decoding convolutionally encoded codewords |
CN1201494C (zh) * | 1999-03-01 | 2005-05-11 | 富士通株式会社 | 最大后验概率译码方法和装置 |
JP3244121B2 (ja) | 1999-04-07 | 2002-01-07 | 株式会社ワイ・アール・ピー移動通信基盤技術研究所 | 復号装置 |
US6980605B2 (en) * | 2000-01-31 | 2005-12-27 | Alan Gatherer | MAP decoding with parallelized sliding window processing |
FI109162B (fi) * | 2000-06-30 | 2002-05-31 | Nokia Corp | Menetelmä ja järjestely konvoluutiokoodatun koodisanan dekoodaamiseksi |
US6952457B2 (en) * | 2000-12-29 | 2005-10-04 | Motorola, Inc. | Method and system for adapting a training period in a turbo decoding device |
US7027531B2 (en) * | 2000-12-29 | 2006-04-11 | Motorola, Inc. | Method and system for initializing a training period in a turbo decoding device |
JP3828791B2 (ja) * | 2001-11-27 | 2006-10-04 | 松下電器産業株式会社 | 誤り訂正復号装置 |
SG125061A1 (en) * | 2001-12-07 | 2006-09-29 | Oki Techno Ct Singapore Pte | A turbo decoder, and a map decoder component of the turbo decoder |
FI20020108A0 (fi) * | 2002-01-21 | 2002-01-21 | Nokia Corp | Menetelmõ ja laite polkumetriikoiden muodostamiseksi trelliksessõ |
US7246295B2 (en) * | 2003-04-14 | 2007-07-17 | Agere Systems Inc. | Turbo decoder employing simplified log-map decoding |
JP2005167513A (ja) * | 2003-12-01 | 2005-06-23 | Matsushita Electric Ind Co Ltd | 復号装置及び復号方法 |
-
2003
- 2003-07-11 JP JP2003273378A patent/JP4227481B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-09 US US10/563,559 patent/US7539256B2/en active Active
- 2004-07-09 KR KR1020067000682A patent/KR100671619B1/ko not_active Expired - Fee Related
- 2004-07-09 DE DE602004012417T patent/DE602004012417T2/de not_active Expired - Lifetime
- 2004-07-09 EP EP04747314A patent/EP1655846B1/en not_active Expired - Lifetime
- 2004-07-09 CN CNB2004800199880A patent/CN100547935C/zh not_active Expired - Fee Related
- 2004-07-09 WO PCT/JP2004/009846 patent/WO2005006564A1/ja active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US20060176945A1 (en) | 2006-08-10 |
WO2005006564A1 (ja) | 2005-01-20 |
US7539256B2 (en) | 2009-05-26 |
EP1655846A4 (en) | 2006-07-19 |
KR20060035743A (ko) | 2006-04-26 |
EP1655846A1 (en) | 2006-05-10 |
DE602004012417T2 (de) | 2008-06-19 |
EP1655846B1 (en) | 2008-03-12 |
JP2005033705A (ja) | 2005-02-03 |
CN100547935C (zh) | 2009-10-07 |
DE602004012417D1 (de) | 2008-04-24 |
JP4227481B2 (ja) | 2009-02-18 |
CN1823474A (zh) | 2006-08-23 |
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