DE60231368D1 - Normalisierung in einem Turbo-Dekoder bei Verwendung des Zweierkomplements - Google Patents
Normalisierung in einem Turbo-Dekoder bei Verwendung des ZweierkomplementsInfo
- Publication number
- DE60231368D1 DE60231368D1 DE60231368T DE60231368T DE60231368D1 DE 60231368 D1 DE60231368 D1 DE 60231368D1 DE 60231368 T DE60231368 T DE 60231368T DE 60231368 T DE60231368 T DE 60231368T DE 60231368 D1 DE60231368 D1 DE 60231368D1
- Authority
- DE
- Germany
- Prior art keywords
- normalization
- complement
- turbo decoder
- turbo
- decoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- H03M13/37—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
- H03M13/65—Purpose and implementation aspects
- H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
- H03M13/6583—Normalization other than scaling, e.g. by subtraction
- H03M13/6586—Modulo/modular normalization, e.g. 2's complement modulo implementations
Landscapes
- 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)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32540401P | 2001-09-26 | 2001-09-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60231368D1 true DE60231368D1 (de) | 2009-04-16 |
Family
ID=23267749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60231368T Expired - Lifetime DE60231368D1 (de) | 2001-09-26 | 2002-09-26 | Normalisierung in einem Turbo-Dekoder bei Verwendung des Zweierkomplements |
Country Status (4)
Country | Link |
---|---|
US (1) | US6775801B2 (de) |
EP (1) | EP1317071B1 (de) |
JP (1) | JP3974008B2 (de) |
DE (1) | DE60231368D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7383485B2 (en) * | 2000-09-12 | 2008-06-03 | Broadcom Corporation | Fast min*- or max*-circuit in LDPC (low density parity check) decoder |
JP4766218B2 (ja) * | 2001-07-09 | 2011-09-07 | セイコーエプソン株式会社 | 有機elアレイ露光ヘッドとその作製方法及びそれを用いた画像形成装置 |
CN100381010C (zh) * | 2002-05-31 | 2008-04-09 | 诺基亚公司 | 基于关系且基于模糊和离散逻辑的决策和动态调整控制 |
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 |
JP4528168B2 (ja) * | 2005-03-15 | 2010-08-18 | 富士通株式会社 | 復号器及び復号方法 |
US7684779B2 (en) * | 2005-05-31 | 2010-03-23 | Broadcom Corporation | Wireless terminal baseband processor high speed turbo decoding module |
US9325450B2 (en) * | 2014-05-21 | 2016-04-26 | Stmicroelectronics S.R.L. | Method and system for processing digital data, corresponding apparatus and computer program product |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2344046C (en) * | 1998-09-28 | 2008-02-05 | Advanced Hardware Architectures, Inc. | Turbo product code decoder |
US6484285B1 (en) * | 2000-02-07 | 2002-11-19 | Ericsson, Inc. | Tailbiting decoder and method |
FR2819654B1 (fr) * | 2001-01-15 | 2003-04-11 | Cit Alcatel | Procede pour la transmission et la reception de signaux numeriques modules en phase a quatre etats |
-
2002
- 2002-07-24 US US10/202,509 patent/US6775801B2/en not_active Expired - Lifetime
- 2002-09-25 JP JP2002278593A patent/JP3974008B2/ja not_active Expired - Fee Related
- 2002-09-26 EP EP02079501A patent/EP1317071B1/de not_active Expired - Fee Related
- 2002-09-26 DE DE60231368T patent/DE60231368D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1317071B1 (de) | 2009-03-04 |
EP1317071A2 (de) | 2003-06-04 |
JP3974008B2 (ja) | 2007-09-12 |
EP1317071A3 (de) | 2004-06-02 |
US20030093742A1 (en) | 2003-05-15 |
JP2003179505A (ja) | 2003-06-27 |
US6775801B2 (en) | 2004-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |