ES2117560A1 - Decodificador y metodo para el mismo. - Google Patents
Decodificador y metodo para el mismo.Info
- Publication number
- ES2117560A1 ES2117560A1 ES09600759A ES9600759A ES2117560A1 ES 2117560 A1 ES2117560 A1 ES 2117560A1 ES 09600759 A ES09600759 A ES 09600759A ES 9600759 A ES9600759 A ES 9600759A ES 2117560 A1 ES2117560 A1 ES 2117560A1
- Authority
- ES
- Spain
- Prior art keywords
- bit
- decoder circuit
- method therefor
- wise
- wise probability
- 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.)
- Granted
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
- H03M13/65—Purpose and implementation aspects
- H03M13/6502—Reduction of hardware complexity or efficient processing
-
- 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
-
- 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
- H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Error Detection And Correction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
DECODIFICADOR Y METODO PARA EL MISMO, DONDE UN DECODIFICADOR (223) INCLUYE UN CIRCUITO DE PROBABILIDAD (432) QUE GENERA METRICAS DE RAMA USANDO PROBABILIDADES DE BIT QUE REPRESENTAN LAS RELACIONES DE CORRELACION TRAMA A TRAMA. LAS METRICAS DE RAMA SE INTRODUCEN EN UN DECODIFICADOR (434) QUE ENTREGA BITS DE DATOS DECODIFICADOS EN FUNCION DE LAS PROBABILIDADES DE BIT PARA, AL MENOS, PREDETERMINADAS POSICIONES DE LOS BITS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41425895A | 1995-03-31 | 1995-03-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2117560A1 true ES2117560A1 (es) | 1998-08-01 |
ES2117560B1 ES2117560B1 (es) | 1999-02-16 |
Family
ID=23640649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES09600759A Expired - Fee Related ES2117560B1 (es) | 1995-03-31 | 1996-03-29 | Decodificador y metodo para el mismo. |
Country Status (6)
Country | Link |
---|---|
US (1) | US6215831B1 (es) |
CA (1) | CA2171922C (es) |
DE (1) | DE19612715A1 (es) |
ES (1) | ES2117560B1 (es) |
GB (1) | GB2299491B (es) |
MX (1) | MX9601206A (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2257967C (en) * | 1996-06-13 | 2002-12-31 | Northern Telecom Limited | Wide-area wireless distribution system |
US6438180B1 (en) * | 1997-05-09 | 2002-08-20 | Carnegie Mellon University | Soft and hard sequence detection in ISI memory channels |
EP1145515B1 (en) * | 1999-01-20 | 2005-09-14 | Broadcom Corporation | Trellis decoder with correction of pair swaps, for use in gigabit ethernet transceivers |
US6452984B1 (en) * | 1999-02-25 | 2002-09-17 | Lsi Logic Corporation | Metric biasing for maximum likelihood sequence estimators |
US6758435B2 (en) * | 1999-12-09 | 2004-07-06 | Rheinmetall W & M Gmbh | Guide assembly for a missile |
US7035790B2 (en) * | 2000-06-02 | 2006-04-25 | Canon Kabushiki Kaisha | Speech processing system |
US7010483B2 (en) * | 2000-06-02 | 2006-03-07 | Canon Kabushiki Kaisha | Speech processing system |
US7072833B2 (en) * | 2000-06-02 | 2006-07-04 | Canon Kabushiki Kaisha | Speech processing system |
US6813322B2 (en) * | 2001-04-26 | 2004-11-02 | Telefonaktiebolaget L.M. Ericsson (Publ) | Soft output value biasing |
JP3532884B2 (ja) * | 2001-05-18 | 2004-05-31 | 松下電器産業株式会社 | ビタビ復号器 |
EP1304811A1 (en) * | 2001-10-17 | 2003-04-23 | Matsushita Electric Industrial Co., Ltd. | Diversity reception with error correction |
EP1461924A4 (en) * | 2001-11-29 | 2010-07-07 | Qualcomm Inc | METHOD AND APPARATUS FOR DETERMINING THE REAL-REASON LOGARITHM USING PRECODING |
JP3817470B2 (ja) * | 2001-12-04 | 2006-09-06 | シャープ株式会社 | 信号評価装置および信号評価方法 |
US7154965B2 (en) | 2002-10-08 | 2006-12-26 | President And Fellows Of Harvard College | Soft detection of data symbols in the presence of intersymbol interference and timing error |
US7733988B2 (en) * | 2005-10-28 | 2010-06-08 | Alcatel-Lucent Usa Inc. | Multiframe control channel detection for enhanced dedicated channel |
US8165224B2 (en) | 2007-03-22 | 2012-04-24 | Research In Motion Limited | Device and method for improved lost frame concealment |
AU2007237313A1 (en) * | 2007-12-03 | 2009-06-18 | Canon Kabushiki Kaisha | Improvement for error correction in distributed vdeo coding |
US7895146B2 (en) * | 2007-12-03 | 2011-02-22 | Microsoft Corporation | Time modulated generative probabilistic models for automated causal discovery that monitors times of packets |
US8391408B2 (en) * | 2008-05-06 | 2013-03-05 | Industrial Technology Research Institute | Method and apparatus for spatial mapping matrix searching |
KR101442259B1 (ko) * | 2008-09-03 | 2014-09-25 | 엘지전자 주식회사 | 무선통신 시스템에서 중계기의 동작 방법 |
WO2010027136A1 (en) * | 2008-09-03 | 2010-03-11 | Lg Electronics Inc. | Realy station and method of operating the same |
US9195533B1 (en) | 2012-10-19 | 2015-11-24 | Seagate Technology Llc | Addressing variations in bit error rates amongst data storage segments |
US8732555B2 (en) | 2012-10-19 | 2014-05-20 | Seagate Technology Llc | Addressing variations in bit error rates amongst data storage segments |
US10552252B2 (en) | 2016-08-29 | 2020-02-04 | Seagate Technology Llc | Patterned bit in error measurement apparatus and method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4709377A (en) * | 1985-03-13 | 1987-11-24 | Paradyne | Viterbi decoder for wireline modems |
EP0465428A2 (en) * | 1990-07-05 | 1992-01-08 | Matsushita Electric Industrial Co., Ltd. | Digital modulated signal demodulator/decoder apparatus |
EP0529909A2 (en) * | 1991-08-23 | 1993-03-03 | Matsushita Electric Industrial Co., Ltd. | Error correction encoding/decoding method and apparatus therefor |
EP0700182A1 (en) * | 1994-08-31 | 1996-03-06 | Nec Corporation | Apparatus for error correcting decoding in digital data communication systems |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833693A (en) * | 1985-11-21 | 1989-05-23 | Codex Corporation | Coded modulation system using interleaving for decision-feedback equalization |
US4945549A (en) * | 1986-11-13 | 1990-07-31 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Trellis coded modulation for transmission over fading mobile satellite channel |
US4742533A (en) | 1987-01-02 | 1988-05-03 | Motorola, Inc. | Soft decision digital communication apparatus |
DE3910739C3 (de) | 1989-04-03 | 1996-11-21 | Deutsche Forsch Luft Raumfahrt | Verfahren zum Verallgemeinern des Viterbi-Algorithmus und Einrichtungen zur Durchführung des Verfahrens |
US5134635A (en) * | 1990-07-30 | 1992-07-28 | Motorola, Inc. | Convolutional decoder using soft-decision decoding with channel state information |
US5214675A (en) | 1991-07-02 | 1993-05-25 | Motorola, Inc. | System and method for calculating channel gain and noise variance of a communication channel |
DE4340387C1 (de) * | 1993-11-26 | 1994-12-22 | Siemens Ag | Verfahren zur codierten Übertragung von Sprachsignalen |
-
1996
- 1996-03-15 CA CA002171922A patent/CA2171922C/en not_active Expired - Fee Related
- 1996-03-25 GB GB9606236A patent/GB2299491B/en not_active Expired - Fee Related
- 1996-03-29 DE DE19612715A patent/DE19612715A1/de not_active Withdrawn
- 1996-03-29 ES ES09600759A patent/ES2117560B1/es not_active Expired - Fee Related
- 1996-03-29 MX MX9601206A patent/MX9601206A/es not_active IP Right Cessation
-
1997
- 1997-07-24 US US08/900,073 patent/US6215831B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4709377A (en) * | 1985-03-13 | 1987-11-24 | Paradyne | Viterbi decoder for wireline modems |
EP0465428A2 (en) * | 1990-07-05 | 1992-01-08 | Matsushita Electric Industrial Co., Ltd. | Digital modulated signal demodulator/decoder apparatus |
EP0529909A2 (en) * | 1991-08-23 | 1993-03-03 | Matsushita Electric Industrial Co., Ltd. | Error correction encoding/decoding method and apparatus therefor |
EP0700182A1 (en) * | 1994-08-31 | 1996-03-06 | Nec Corporation | Apparatus for error correcting decoding in digital data communication systems |
Also Published As
Publication number | Publication date |
---|---|
US6215831B1 (en) | 2001-04-10 |
CA2171922C (en) | 2001-12-11 |
ES2117560B1 (es) | 1999-02-16 |
GB9606236D0 (en) | 1996-05-29 |
DE19612715A1 (de) | 1996-10-10 |
GB2299491A (en) | 1996-10-02 |
MX9601206A (es) | 1997-08-30 |
GB2299491B (en) | 1999-10-06 |
CA2171922A1 (en) | 1996-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19980801 Kind code of ref document: A1 Effective date: 19980801 |
|
FD1A | Patent lapsed |
Effective date: 20040330 |