CN1074068A - 维特比解码器的比特有效回链存贮方法及其解码器 - Google Patents
维特比解码器的比特有效回链存贮方法及其解码器 Download PDFInfo
- Publication number
- CN1074068A CN1074068A CN92111271A CN92111271A CN1074068A CN 1074068 A CN1074068 A CN 1074068A CN 92111271 A CN92111271 A CN 92111271A CN 92111271 A CN92111271 A CN 92111271A CN 1074068 A CN1074068 A CN 1074068A
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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
- H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
- H03M13/256—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with trellis coding, e.g. with convolutional codes and TCM
-
- 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
- H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
-
- 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
- H03M13/3776—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using a re-encoding step during the decoding process
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/186—Phase-modulated carrier systems, i.e. using phase-shift keying in which the information is carried by both the individual signal points and the subset to which the individual signal points belong, e.g. coset coding or related schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Artificial Intelligence (AREA)
- Error Detection And Correction (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
扇形区间号 | 扇形区间值 |
0 | 000 |
1 | 001 |
2 | 010 |
3 | 011 |
4 | 100 |
5 | 101 |
6 | 110 |
7 | 111 |
相移前 | 相移后 | ||
分支度量 | 扇形区段编号 | 分支度量 | 扇形区段编号 |
m( c, d) | i | m(a,b) | i + 1 |
m(a,b) | i | m(c,d) | i + 1 |
m(c,d) | i | m( a, b) | i + 1 |
m( a, b) | i | m( c, d) | i + 1 |
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/767167 | 1991-09-27 | ||
US07/767,167 US5469452A (en) | 1991-09-27 | 1991-09-27 | Viterbi decoder bit efficient chainback memory method and decoder incorporating same |
US07/767,167 | 1991-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1074068A true CN1074068A (zh) | 1993-07-07 |
CN1072874C CN1072874C (zh) | 2001-10-10 |
Family
ID=25078682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN92111271A Expired - Fee Related CN1072874C (zh) | 1991-09-27 | 1992-09-27 | 维特比解码器的比特有效回链存贮方法及其解码器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5469452A (zh) |
CN (1) | CN1072874C (zh) |
AU (1) | AU2699292A (zh) |
IL (1) | IL103286A (zh) |
MX (1) | MX9205487A (zh) |
WO (1) | WO1993006550A1 (zh) |
ZA (1) | ZA927123B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1062402C (zh) * | 1995-06-08 | 2001-02-21 | 东南大学 | 低速维特比差错控制模块 |
CN100340105C (zh) * | 1994-04-12 | 2007-09-26 | Lg电子株式会社 | 具有部分响应格构解码器的数字电视系统 |
CN103840841A (zh) * | 2014-02-11 | 2014-06-04 | 郭勇 | 一种克服7种相位模糊的ptcm+8psk编译码器的设计方法 |
CN105046102A (zh) * | 2015-06-29 | 2015-11-11 | 东南大学 | 基于DNA分子链置换反应提取实现组合逻辑的CRNs的方法 |
Families Citing this family (65)
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US5844922A (en) * | 1993-02-22 | 1998-12-01 | Qualcomm Incorporated | High rate trellis coding and decoding method and apparatus |
US5553062A (en) | 1993-04-22 | 1996-09-03 | Interdigital Communication Corporation | Spread spectrum CDMA interference canceler system and method |
US5363403A (en) * | 1993-04-22 | 1994-11-08 | Interdigital Technology Corporation | Spread spectrum CDMA subtractive interference canceler and method |
US5396518A (en) * | 1993-05-05 | 1995-03-07 | Gi Corporation | Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes |
FR2710166A1 (fr) * | 1993-09-13 | 1995-03-24 | Trt Telecom Radio Electr | Dispositif de décision pour modulations codées et modem comportant un tel dispositif. |
US5651032A (en) * | 1993-11-04 | 1997-07-22 | Kabushiki Kaisha Toshiba | Apparatus and method for trellis decoder |
EP0684708B1 (en) * | 1993-12-15 | 2005-10-26 | Ntt Mobile Communications Network Inc. | Adaptive equalizer |
US6889356B1 (en) * | 1994-11-23 | 2005-05-03 | Cingular Wireless Ii, Llc | Cyclic trellis coded modulation |
FI950843A (fi) * | 1995-02-23 | 1996-08-24 | Nokia Telecommunications Oy | Menetelmä yhteyden laadun määrittämiseksi sekä vastaanotin |
ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US5740203A (en) * | 1995-09-14 | 1998-04-14 | Thomson Consumer Electronics, Inc. | Trellis demapper of a convolutional decoder for decoding pragmatic trellis codes suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data |
GB9522241D0 (en) * | 1995-10-31 | 1996-01-03 | Nat Transcommunications Ltd | Method and apparatus for differentially decoding signals |
US5825807A (en) * | 1995-11-06 | 1998-10-20 | Kumar; Derek D. | System and method for multiplexing a spread spectrum communication system |
US5757855A (en) * | 1995-11-29 | 1998-05-26 | David Sarnoff Research Center, Inc. | Data detection for partial response channels |
US5862186A (en) * | 1995-12-01 | 1999-01-19 | Kumar; Derek D. | RF simplex spread spectrum receiver and method |
FR2742611B1 (fr) | 1995-12-19 | 1998-01-16 | Alcatel Telspace | Systeme de codage/decodage utilisant la modulation maq-16 codee en blocs a multiniveaux |
JPH09181618A (ja) * | 1995-12-27 | 1997-07-11 | Nec Corp | データ伝送装置 |
US5966401A (en) * | 1995-12-27 | 1999-10-12 | Kumar; Derek D. | RF simplex spread spectrum receiver and method with symbol deinterleaving prior to bit estimating |
US5748677A (en) * | 1996-01-16 | 1998-05-05 | Kumar; Derek D. | Reference signal communication method and system |
JP3140974B2 (ja) * | 1996-03-31 | 2001-03-05 | 富士通株式会社 | 判定方法及びプリコーダ装置 |
US5949796A (en) * | 1996-06-19 | 1999-09-07 | Kumar; Derek D. | In-band on-channel digital broadcasting method and system |
US5949820A (en) * | 1996-08-01 | 1999-09-07 | Nec Electronics Inc. | Method for optimizing an equalization and receive filter |
US5808573A (en) * | 1996-08-01 | 1998-09-15 | Nec Electronics Incorporated | Methods and structure for sampled-data timing recovery with reduced complexity and latency |
JP2000501271A (ja) * | 1996-09-17 | 2000-02-02 | コーニンクレッカ、フィリップス、エレクトロニクス、エヌ.ヴィ. | 改善されたロック検出を用いる伝送システム |
US5914989A (en) * | 1997-02-19 | 1999-06-22 | Nec Electronics, Inc. | PRML system with reduced complexity maximum likelihood detector |
JP3570841B2 (ja) * | 1997-03-05 | 2004-09-29 | 日本電気株式会社 | データ再生装置 |
US20060262832A1 (en) * | 1997-03-12 | 2006-11-23 | Interdigital Technology Corporation | Convolutionally encoding and decoding multiple data streams |
US6404828B2 (en) | 1997-03-12 | 2002-06-11 | Interdigital Technology Corporation | Multichannel decoder |
US6005894A (en) | 1997-04-04 | 1999-12-21 | Kumar; Derek D. | AM-compatible digital broadcasting method and system |
US5828675A (en) * | 1997-06-06 | 1998-10-27 | National Semiconductor Corporation | Viterbi decoder circuit |
US5995551A (en) * | 1997-08-15 | 1999-11-30 | Sicom, Inc. | Rotationally invariant pragmatic trellis coded digital communication system and method therefor |
US5878085A (en) * | 1997-08-15 | 1999-03-02 | Sicom, Inc. | Trellis coded modulation communications using pilot bits to resolve phase ambiguities |
GB2329557B (en) * | 1997-09-19 | 2002-05-01 | Motorola As | Method and apparatus for viterbi decoding of punctured codes |
WO1999017455A1 (en) * | 1997-10-01 | 1999-04-08 | Thomson Multimedia, S.A. | Apparatus and method for aligning trellis demapped data |
US5910967A (en) * | 1997-10-20 | 1999-06-08 | Sicom, Inc. | Pragmatic encoder and method therefor |
US6078625A (en) * | 1997-10-20 | 2000-06-20 | Sicom, Inc. | Pragmatic decoder and method therefor |
WO1999023820A1 (en) * | 1997-11-03 | 1999-05-14 | International Communications Products, Inc. | Link adapter interface for upgrading existing satellite communication system for enhanced modulation and coding |
WO1999023762A1 (en) * | 1997-11-03 | 1999-05-14 | Harris Corporation | Reconfigurable radio system architecture |
US6205187B1 (en) * | 1997-12-12 | 2001-03-20 | General Dynamics Government Systems Corporation | Programmable signal decoder |
US6005897A (en) * | 1997-12-16 | 1999-12-21 | Mccallister; Ronald D. | Data communication system and method therefor |
US5909454A (en) * | 1998-01-20 | 1999-06-01 | General Instrument Corporation | Intermediate rate applications of punctured convolutional codes for 8PSK trellis modulation over satellite channels |
US6157683A (en) * | 1998-02-04 | 2000-12-05 | Lsi Logic Corporatino | Method and system for automatic invariancy compensation in digital communication receivers |
US6269129B1 (en) * | 1998-04-24 | 2001-07-31 | Lsi Logic Corporation | 64/256 quadrature amplitude modulation trellis coded modulation decoder |
JP2966396B1 (ja) * | 1998-05-22 | 1999-10-25 | 株式会社ケンウッド | Bsディジタル放送受信機 |
JPH11340840A (ja) * | 1998-05-28 | 1999-12-10 | Fujitsu Ltd | 移動通信端末及び送信ビットレート判別方法 |
US6236685B1 (en) | 1998-06-05 | 2001-05-22 | Sicom, Inc. | Pragmatic trellis-coded digital communication with multi-stage branch metrics |
JPH11355150A (ja) * | 1998-06-09 | 1999-12-24 | Sony Corp | パンクチャドビタビ復号方法 |
US6408037B1 (en) | 1998-10-20 | 2002-06-18 | Agilent Technologies, Inc. | High-speed data decoding scheme for digital communication systems |
US6690750B1 (en) | 1999-12-23 | 2004-02-10 | Texas Instruments Incorporated | Flexible Viterbi decoder for wireless applications |
JP3204240B2 (ja) * | 1999-02-18 | 2001-09-04 | 日本電気株式会社 | ビタビ復号器及びビタビ復号処理方法 |
US6061408A (en) * | 1999-04-16 | 2000-05-09 | Tiernan Communications, Inc. | Method and apparatus for 45° phase ambiguity resolution for one coded bit per symbol 8PSK modulation |
US6507628B1 (en) | 1999-09-07 | 2003-01-14 | Sicom, Inc. | Distortion-compensated digital communications receiver and method therefor |
JP3259725B2 (ja) * | 1999-12-20 | 2002-02-25 | 日本電気株式会社 | ビタビ復号装置 |
US6901118B2 (en) * | 1999-12-23 | 2005-05-31 | Texas Instruments Incorporated | Enhanced viterbi decoder for wireless applications |
US6848074B2 (en) | 2001-06-21 | 2005-01-25 | Arc International | Method and apparatus for implementing a single cycle operation in a data processing system |
US7117427B2 (en) * | 2003-07-09 | 2006-10-03 | Texas Instruments Incorporated | Reduced complexity decoding for trellis coded modulation |
US7493550B1 (en) | 2004-01-26 | 2009-02-17 | Marvell International Ltd. | Device and method for detecting and correcting errors in a data stream |
SG124272A1 (en) * | 2004-02-26 | 2006-08-30 | Oki Techno Ct Singapore Pte | A modulation/demodulation apparatus for the encoding and decoding of data and a method for encoding and decoding data |
US8107542B1 (en) * | 2004-04-16 | 2012-01-31 | Marvell International Ltd. | Soft decoding of coded bit-streams |
US8098773B1 (en) | 2005-09-19 | 2012-01-17 | Piesinger Gregory H | Communication method and apparatus |
US20080152044A1 (en) * | 2006-12-20 | 2008-06-26 | Media Tek Inc. | Veterbi decoding method for convolutionally encoded signal |
EP2736187B1 (en) * | 2012-11-22 | 2017-03-08 | Nxp B.V. | Wireless receiver circuit and method |
KR102039062B1 (ko) * | 2013-02-14 | 2019-10-31 | 한국전자통신연구원 | Map 디코딩 장치 및 방법 |
TWI569589B (zh) * | 2015-05-13 | 2017-02-01 | 晨星半導體股份有限公司 | 維特比解碼裝置及維特比解碼方法 |
CN106301395A (zh) * | 2015-06-10 | 2017-01-04 | 晨星半导体股份有限公司 | 维特比解码装置及维特比解码方法 |
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US4807253A (en) * | 1987-11-13 | 1989-02-21 | American Telephone And Telegraph Company, At&T Bell Laboratories | Time-varying trellis-coded modulation formats which are robust in channels with phase variations |
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US5233630A (en) * | 1991-05-03 | 1993-08-03 | Qualcomm Incorporated | Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
-
1991
- 1991-09-27 US US07/767,167 patent/US5469452A/en not_active Expired - Lifetime
-
1992
- 1992-09-17 ZA ZA927123A patent/ZA927123B/xx unknown
- 1992-09-24 IL IL10328692A patent/IL103286A/en not_active IP Right Cessation
- 1992-09-25 MX MX9205487A patent/MX9205487A/es not_active IP Right Cessation
- 1992-09-25 AU AU26992/92A patent/AU2699292A/en not_active Abandoned
- 1992-09-25 WO PCT/US1992/008128 patent/WO1993006550A1/en active Application Filing
- 1992-09-27 CN CN92111271A patent/CN1072874C/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100340105C (zh) * | 1994-04-12 | 2007-09-26 | Lg电子株式会社 | 具有部分响应格构解码器的数字电视系统 |
CN1062402C (zh) * | 1995-06-08 | 2001-02-21 | 东南大学 | 低速维特比差错控制模块 |
CN103840841A (zh) * | 2014-02-11 | 2014-06-04 | 郭勇 | 一种克服7种相位模糊的ptcm+8psk编译码器的设计方法 |
CN105046102A (zh) * | 2015-06-29 | 2015-11-11 | 东南大学 | 基于DNA分子链置换反应提取实现组合逻辑的CRNs的方法 |
CN105046102B (zh) * | 2015-06-29 | 2018-03-20 | 东南大学 | 基于DNA分子链置换反应提取实现组合逻辑的CRNs的方法 |
Also Published As
Publication number | Publication date |
---|---|
ZA927123B (en) | 1993-04-26 |
AU2699292A (en) | 1993-04-27 |
IL103286A (en) | 1996-10-31 |
MX9205487A (es) | 1993-03-01 |
US5469452A (en) | 1995-11-21 |
CN1072874C (zh) | 2001-10-10 |
WO1993006550A1 (en) | 1993-04-01 |
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Assignee: Ningbo Bodao Co., Ltd. Assignor: American Qualcomm Corp (QUALCOMM Incorporated) Contract fulfillment period: 10 years Contract record no.: 200210005 Denomination of invention: Bit efficient back chain storage method of Vitby decoder and decoder thereof Granted publication date: 20021010 License type: General Record date: 20020125 Assignee: Dalian Daxian Group Co., Ltd. Assignor: American Qualcomm Corp (QUALCOMM Incorporated) Contract fulfillment period: 10 years Contract record no.: 200210006 Denomination of invention: Bit efficient back chain storage method of Vitby decoder and decoder thereof Granted publication date: 20021010 License type: General Record date: 20020125 Assignee: Guangzhou Jinpeng Group Co., Ltd. Assignor: American Qualcomm Corp (QUALCOMM Incorporated) Contract fulfillment period: 10 years Contract record no.: 200210007 Denomination of invention: Bit efficient back chain storage method of Vitby decoder and decoder thereof Granted publication date: 20021010 License type: General Record date: 20020125 Assignee: Datang Telecommunication Science & Technology Co., Ltd. Assignor: American Qualcomm Corp (QUALCOMM Incorporated) Contract fulfillment period: 10 years Contract record no.: 200210008 Denomination of invention: Bit efficient back chain storage method of Vitby decoder and decoder thereof Granted publication date: 20021010 License type: General Record date: 20020125 Assignee: Datang Telecommunication Science & Technology Co., Ltd. Assignor: American Qualcomm Corp (QUALCOMM Incorporated) Contract fulfillment period: 10 years Contract record no.: 200210009 Denomination of invention: Bit efficient back chain storage method of Vitby decoder and decoder thereof Granted publication date: 20021010 License type: General Record date: 20020125 Assignee: Beijing Post-Telecommunication Communicatino Equipment Factory Assignor: American Qualcomm Corp (QUALCOMM Incorporated) Contract fulfillment period: 10 years Contract record no.: 200210003 Denomination of invention: Bit efficient back chain storage method of Vitby decoder and decoder thereof Granted publication date: 20021010 License type: General Record date: 20020116 |
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