CN100342716C - Hdtv格型解码器结构 - Google Patents
Hdtv格型解码器结构 Download PDFInfo
- Publication number
- CN100342716C CN100342716C CNB038113120A CN03811312A CN100342716C CN 100342716 C CN100342716 C CN 100342716C CN B038113120 A CNB038113120 A CN B038113120A CN 03811312 A CN03811312 A CN 03811312A CN 100342716 C CN100342716 C CN 100342716C
- Authority
- CN
- China
- Prior art keywords
- lattice type
- data bit
- data
- state
- trellis
- 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
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- 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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
- H04L1/006—Trellis-coded modulation
-
- 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
- H03M13/37—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
- H03M13/3961—Arrangements of methods for branch or transition metric calculation
-
- 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
- H03M13/4161—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management
- H03M13/4169—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management using traceback
-
- 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
- H03M13/6522—Intended application, e.g. transmission or communication standard
- H03M13/6538—ATSC VBS systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
Abstract
Description
陪集 | 八级VSB符号 |
a=(a-,a+) | (-7,+1) |
b=(b-,b+) | (-5,+3) |
c=(c-,c+) | (-3,+5) |
d=(d-,d+) | (-1,+7) |
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37297102P | 2002-04-16 | 2002-04-16 | |
US60/372,971 | 2002-04-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1653801A CN1653801A (zh) | 2005-08-10 |
CN100342716C true CN100342716C (zh) | 2007-10-10 |
Family
ID=29250940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038113120A Expired - Fee Related CN100342716C (zh) | 2002-04-16 | 2003-04-01 | Hdtv格型解码器结构 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7289569B2 (zh) |
EP (1) | EP1495572B1 (zh) |
JP (1) | JP4208724B2 (zh) |
KR (1) | KR100988224B1 (zh) |
CN (1) | CN100342716C (zh) |
AU (1) | AU2003226159A1 (zh) |
BR (2) | BRPI0309327B1 (zh) |
MX (1) | MXPA04010139A (zh) |
WO (1) | WO2003090451A2 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101010784B1 (ko) * | 2002-04-17 | 2011-01-25 | 톰슨 라이센싱 | 트렐리스 디코더를 위한 메모리 관리 알고리즘 |
US7991056B2 (en) | 2004-02-13 | 2011-08-02 | Broadcom Corporation | Method and system for encoding a signal for wireless communications |
CN1961517B (zh) * | 2004-05-28 | 2011-08-24 | 法国电信公司 | 编码和解码方法及装置、存储编码数据的装置 |
US8140947B2 (en) | 2005-09-30 | 2012-03-20 | Agere Systems Inc. | Method and apparatus for storing survivor paths in a Viterbi detector using systematic pointer exchange |
JP4666646B2 (ja) * | 2006-08-24 | 2011-04-06 | ルネサスエレクトロニクス株式会社 | 軟判定ビタビ復号装置および方法、復号装置および方法 |
US7783936B1 (en) * | 2006-09-28 | 2010-08-24 | L-3 Communications, Corp. | Memory arbitration technique for turbo decoding |
WO2011162735A1 (en) * | 2010-06-25 | 2011-12-29 | Thomson Licensing | A priori training in a mobile dtv system |
GB2501091B (en) * | 2012-04-11 | 2014-09-10 | Broadcom Corp | Method, apparatus and computer program for calculating a branch metric |
JP2014042141A (ja) | 2012-08-22 | 2014-03-06 | Mitsubishi Electric Corp | 受信装置及び受信方法 |
US10243591B2 (en) | 2016-08-30 | 2019-03-26 | International Business Machines Corporation | Sequence detectors |
US9942005B2 (en) * | 2016-08-30 | 2018-04-10 | International Business Machines Corporation | Sequence detector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5841478A (en) * | 1996-04-09 | 1998-11-24 | Thomson Multimedia, S.A. | Code sequence detection in a trellis decoder |
US5923711A (en) * | 1996-04-02 | 1999-07-13 | Zenith Electronics Corporation | Slice predictor for a signal receiver |
US20020001353A1 (en) * | 2000-04-18 | 2002-01-03 | Citta Richard W. | Enhanced slice prediction feedback |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0481054A (ja) * | 1990-06-01 | 1992-03-13 | Nec Corp | データ伝送方式 |
JP2668455B2 (ja) * | 1990-12-20 | 1997-10-27 | 富士通株式会社 | ビタビ復調制御方式 |
US5583889A (en) * | 1994-07-08 | 1996-12-10 | Zenith Electronics Corporation | Trellis coded modulation system for HDTV |
FR2724273B1 (fr) * | 1994-09-05 | 1997-01-03 | Sgs Thomson Microelectronics | Circuit de traitement de signal pour mettre en oeuvre un algorithme de viterbi |
DE19529983A1 (de) * | 1995-08-16 | 1997-02-20 | Bosch Gmbh Robert | Datendecoder |
US6141384A (en) * | 1997-02-14 | 2000-10-31 | Philips Electronics North America Corporation | Decoder for trellis encoded interleaved data stream and HDTV receiver including such a decoder |
KR100248014B1 (ko) * | 1997-12-31 | 2000-03-15 | 윤종용 | Tcm 복호기 및 그 복호방법 |
US6738949B2 (en) | 1998-05-13 | 2004-05-18 | Matsushita Electric Industrial Co., Ltd. | Error correction circuit and error correction method |
US6343103B1 (en) * | 1999-09-03 | 2002-01-29 | Agere Systems Guardian Corp. | Methods and apparatus for representation of branch metrics in a communication system decoder |
EP1091579B1 (en) * | 1999-09-07 | 2006-02-15 | Thomson Licensing | Trellis demapper for Trellis decoder |
-
2003
- 2003-04-01 MX MXPA04010139A patent/MXPA04010139A/es active IP Right Grant
- 2003-04-01 AU AU2003226159A patent/AU2003226159A1/en not_active Abandoned
- 2003-04-01 KR KR1020047016506A patent/KR100988224B1/ko active IP Right Grant
- 2003-04-01 CN CNB038113120A patent/CN100342716C/zh not_active Expired - Fee Related
- 2003-04-01 BR BRPI0309327-1A patent/BRPI0309327B1/pt unknown
- 2003-04-01 BR BR0309327-1A patent/BR0309327A/pt not_active IP Right Cessation
- 2003-04-01 US US10/511,398 patent/US7289569B2/en not_active Expired - Lifetime
- 2003-04-01 EP EP03746931.9A patent/EP1495572B1/en not_active Expired - Fee Related
- 2003-04-01 JP JP2003587100A patent/JP4208724B2/ja not_active Expired - Fee Related
- 2003-04-01 WO PCT/US2003/009862 patent/WO2003090451A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5923711A (en) * | 1996-04-02 | 1999-07-13 | Zenith Electronics Corporation | Slice predictor for a signal receiver |
US5841478A (en) * | 1996-04-09 | 1998-11-24 | Thomson Multimedia, S.A. | Code sequence detection in a trellis decoder |
US20020001353A1 (en) * | 2000-04-18 | 2002-01-03 | Citta Richard W. | Enhanced slice prediction feedback |
Non-Patent Citations (1)
Title |
---|
IEEE Transactions on Consumer Electronics William W. Lin ET AL.,571页左栏第12行至576页左栏第19行,图6至13,A TRELLIS DECODER FOR HDTV 1999 * |
Also Published As
Publication number | Publication date |
---|---|
KR100988224B1 (ko) | 2010-10-18 |
AU2003226159A8 (en) | 2003-11-03 |
BR0309327A (pt) | 2005-02-15 |
KR20040098073A (ko) | 2004-11-18 |
MXPA04010139A (es) | 2005-06-08 |
EP1495572A4 (en) | 2010-03-31 |
JP4208724B2 (ja) | 2009-01-14 |
CN1653801A (zh) | 2005-08-10 |
WO2003090451A3 (en) | 2004-02-05 |
EP1495572B1 (en) | 2013-06-12 |
US7289569B2 (en) | 2007-10-30 |
BRPI0309327B1 (pt) | 2017-12-12 |
AU2003226159A1 (en) | 2003-11-03 |
US20050141629A1 (en) | 2005-06-30 |
EP1495572A2 (en) | 2005-01-12 |
JP2005523654A (ja) | 2005-08-04 |
WO2003090451A2 (en) | 2003-10-30 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: French Boulogne Patentee before: THOMSON LICENSING |
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TR01 | Transfer of patent right |
Effective date of registration: 20190128 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190128 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20210401 |
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CF01 | Termination of patent right due to non-payment of annual fee |