DE69212695D1 - Decodierungseinrichtung - Google Patents
DecodierungseinrichtungInfo
- Publication number
- DE69212695D1 DE69212695D1 DE69212695T DE69212695T DE69212695D1 DE 69212695 D1 DE69212695 D1 DE 69212695D1 DE 69212695 T DE69212695 T DE 69212695T DE 69212695 T DE69212695 T DE 69212695T DE 69212695 D1 DE69212695 D1 DE 69212695D1
- Authority
- DE
- Germany
- Prior art keywords
- decoding device
- decoding
- 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 - Fee Related
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
- H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9100432A BE1004814A3 (nl) | 1991-05-08 | 1991-05-08 | Decodeerinrichting. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69212695D1 true DE69212695D1 (de) | 1996-09-19 |
DE69212695T2 DE69212695T2 (de) | 1997-02-06 |
Family
ID=3885488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69212695T Expired - Fee Related DE69212695T2 (de) | 1991-05-08 | 1992-05-05 | Decodierungseinrichtung |
Country Status (9)
Country | Link |
---|---|
US (1) | US5331665A (de) |
EP (1) | EP0512641B1 (de) |
JP (1) | JPH05175855A (de) |
BE (1) | BE1004814A3 (de) |
CA (1) | CA2068117C (de) |
DE (1) | DE69212695T2 (de) |
ES (1) | ES2093178T3 (de) |
FI (1) | FI922067A (de) |
NZ (1) | NZ242456A (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5465275A (en) * | 1993-11-16 | 1995-11-07 | At&T Ipm Corp. | Efficient utilization of present state/next state registers |
US5432804A (en) * | 1993-11-16 | 1995-07-11 | At&T Corp. | Digital processor and viterbi decoder having shared memory |
TW243568B (en) * | 1993-11-16 | 1995-03-21 | At & T Corp | Digital signal processor with an embedded viterbi co-processor |
FR2737824B1 (fr) * | 1995-08-08 | 1997-10-31 | Tortelier Patrick | Procede de decodage a sorties ponderees mettant en oeuvre l'algorithme de viterbi en fonctionnement par blocs |
GB2305827B (en) * | 1995-09-30 | 2000-01-19 | Motorola Ltd | Viterbi co-processor and method of operation therefor |
US6028899A (en) * | 1995-10-24 | 2000-02-22 | U.S. Philips Corporation | Soft-output decoding transmission system with reduced memory requirement |
US6023492A (en) * | 1995-11-24 | 2000-02-08 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for conditionally combining bit metrics in a communication system |
US5964825A (en) * | 1996-02-09 | 1999-10-12 | Texas Instruments Incorporated | Manipulation of boolean values and conditional operation in a microprocessor |
US5742622A (en) * | 1996-03-12 | 1998-04-21 | Discovision Associates | Error detection and correction system for a stream of encoded data |
KR100212833B1 (ko) * | 1996-03-22 | 1999-08-02 | 전주범 | 가변레이트 비터비 복호기 |
US6374346B1 (en) | 1997-01-24 | 2002-04-16 | Texas Instruments Incorporated | Processor with conditional execution of every instruction |
GB2329557B (en) * | 1997-09-19 | 2002-05-01 | Motorola As | Method and apparatus for viterbi decoding of punctured codes |
US6275538B1 (en) * | 1998-03-11 | 2001-08-14 | Ericsson Inc. | Technique for finding a starting state for a convolutional feedback encoder |
US6272661B1 (en) * | 1998-12-29 | 2001-08-07 | Texas Instruments Incorporated | Minimum memory implementation of high speed viterbi decoder |
SG80035A1 (en) * | 1999-05-27 | 2001-04-17 | Inst Of Microelectronics | Viterbi decoding of punctured convolutional codes without real-time branch metric computation |
US6633615B1 (en) * | 2000-01-31 | 2003-10-14 | Agere Systems Inc. | Trellis transition-probability calculation with threshold normalization |
TW518845B (en) * | 2001-03-30 | 2003-01-21 | Ali Corp | Method of erroneous data correction for full response channel system |
CN1306514C (zh) * | 2001-07-19 | 2007-03-21 | 松下电器产业株式会社 | 再现信号质量的评价方法和信息再现装置 |
GB2409618A (en) * | 2003-12-23 | 2005-06-29 | Picochip Designs Ltd | Telecommunications decoder device |
US7920612B2 (en) * | 2004-08-31 | 2011-04-05 | Finisar Corporation | Light emitting semiconductor device having an electrical confinement barrier near the active region |
US8140949B2 (en) * | 2007-11-13 | 2012-03-20 | Alpha Imaging Technology Corp. | ACS unit of a Viterbi decoder and method for calculating a bit error rate before a Viterbi decoder |
US9942005B2 (en) * | 2016-08-30 | 2018-04-10 | International Business Machines Corporation | Sequence detector |
US10243591B2 (en) | 2016-08-30 | 2019-03-26 | International Business Machines Corporation | Sequence detectors |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4536878A (en) * | 1982-09-20 | 1985-08-20 | Sperry Corporation | Bit serial convolutional decoder for VLSI implementation |
FR2585906B1 (fr) * | 1985-08-02 | 1987-09-25 | Battail Gerard | Procede de decodage d'un code convolutif et decodeur correspondant |
CA1260143A (en) * | 1986-02-24 | 1989-09-26 | Atsushi Yamashita | Path trace viterbi decoder |
US4742533A (en) * | 1987-01-02 | 1988-05-03 | Motorola, Inc. | Soft decision digital communication apparatus |
-
1991
- 1991-05-08 BE BE9100432A patent/BE1004814A3/nl not_active IP Right Cessation
-
1992
- 1992-04-23 NZ NZ242456A patent/NZ242456A/en unknown
- 1992-05-05 EP EP92201260A patent/EP0512641B1/de not_active Expired - Lifetime
- 1992-05-05 ES ES92201260T patent/ES2093178T3/es not_active Expired - Fee Related
- 1992-05-05 DE DE69212695T patent/DE69212695T2/de not_active Expired - Fee Related
- 1992-05-05 US US07/878,731 patent/US5331665A/en not_active Expired - Fee Related
- 1992-05-07 FI FI922067A patent/FI922067A/fi unknown
- 1992-05-07 CA CA002068117A patent/CA2068117C/en not_active Expired - Fee Related
- 1992-05-08 JP JP4116397A patent/JPH05175855A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES2093178T3 (es) | 1996-12-16 |
CA2068117C (en) | 1998-04-14 |
EP0512641A1 (de) | 1992-11-11 |
FI922067A (fi) | 1992-11-09 |
NZ242456A (en) | 1994-09-27 |
JPH05175855A (ja) | 1993-07-13 |
EP0512641B1 (de) | 1996-08-14 |
FI922067A0 (fi) | 1992-05-07 |
BE1004814A3 (nl) | 1993-02-02 |
US5331665A (en) | 1994-07-19 |
AU1526192A (en) | 1992-11-12 |
AU644523B2 (en) | 1993-12-09 |
DE69212695T2 (de) | 1997-02-06 |
CA2068117A1 (en) | 1992-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |