KR20020082613A - 디지털티브이의 브이에스비 통신시스템 - Google Patents
디지털티브이의 브이에스비 통신시스템 Download PDFInfo
- Publication number
- KR20020082613A KR20020082613A KR1020010022201A KR20010022201A KR20020082613A KR 20020082613 A KR20020082613 A KR 20020082613A KR 1020010022201 A KR1020010022201 A KR 1020010022201A KR 20010022201 A KR20010022201 A KR 20010022201A KR 20020082613 A KR20020082613 A KR 20020082613A
- Authority
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- South Korea
- Prior art keywords
- additional data
- data
- vsb
- sequence
- mpeg
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- 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]
- H03M13/253—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 concatenated codes
-
- 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
- H03M13/29—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
- H03M13/2933—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 using a block and a convolutional code
- H03M13/2936—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 using a block and a convolutional code comprising an outer Reed-Solomon code and an inner convolutional code
-
- 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
- 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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23611—Insertion of stuffing data into a multiplex stream, e.g. to obtain a constant bitrate
-
- 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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
-
- 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
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/13—Linear codes
- H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
- H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
- H03M13/1515—Reed-Solomon codes
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
매모리(m0,m1) | 첫번째 d0 | 두번째 d0 |
(0,0) | 0 | 0 |
(0,1) | 0 | 1 |
(1,0) | 1 | 0 |
(1,1) | 1 | 1 |
Claims (2)
- 제1경로를 통하여 보내고자 하는 부가데이터에 대해 부호화 하는 리드 솔로몬 부호화수단, 상기 부호화된 부가데이타에 대해 인터리빙과정을 수행하는 인터리빙 수단, 인터리빙된 부가데이타에 대해 미리 정의된 시퀀스를 발생시키기 위하여 널 시퀸스를 삽입하되 트렐리스 부호기의 처음 두개의 입력 d0가 0이되도록 하는 널 시퀸스 삽입부, 널 시퀸스가 삽입된 부가데이타에대해 MPEG 헤더를 부가하는 헤더부가부와, 상기 헤더가 부가된 부가데이타와 제2경로를 통하여 입력되는 MPEG데이타를 다중화하는 다중화부, 상기 제1,2경로를 통해 입력된 데이타에 대해 다중화된 데이터를 VSB전송방식으로 변조하여 전송하는 VSB전송시스템.
- 상기 1 항에 있어서,상기 리드솔로몬 부호화된 부가데이타에 대해 인터리빙 과정을 수행하는 인터리버가 더 포함된것을 특징으로 하는 VSB전송시스템.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010022201A KR100706508B1 (ko) | 2001-04-25 | 2001-04-25 | 디지털티브이의 브이에스비 통신시스템 |
US10/122,269 US7092447B2 (en) | 2001-04-25 | 2002-04-12 | Communication system in digital television |
CNB021246661A CN1204749C (zh) | 2001-04-25 | 2002-04-25 | 用于处理辅助传输数据的残留边带传输系统 |
US11/450,570 US7949055B2 (en) | 2001-04-25 | 2006-06-08 | Communication system in digital television |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010022201A KR100706508B1 (ko) | 2001-04-25 | 2001-04-25 | 디지털티브이의 브이에스비 통신시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020082613A true KR20020082613A (ko) | 2002-10-31 |
KR100706508B1 KR100706508B1 (ko) | 2007-04-11 |
Family
ID=19708669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010022201A KR100706508B1 (ko) | 2001-04-25 | 2001-04-25 | 디지털티브이의 브이에스비 통신시스템 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7092447B2 (ko) |
KR (1) | KR100706508B1 (ko) |
CN (1) | CN1204749C (ko) |
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2001
- 2001-04-25 KR KR1020010022201A patent/KR100706508B1/ko active IP Right Grant
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2002
- 2002-04-12 US US10/122,269 patent/US7092447B2/en not_active Expired - Fee Related
- 2002-04-25 CN CNB021246661A patent/CN1204749C/zh not_active Expired - Fee Related
-
2006
- 2006-06-08 US US11/450,570 patent/US7949055B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1204749C (zh) | 2005-06-01 |
US20020181599A1 (en) | 2002-12-05 |
US7092447B2 (en) | 2006-08-15 |
US20060227882A1 (en) | 2006-10-12 |
US7949055B2 (en) | 2011-05-24 |
KR100706508B1 (ko) | 2007-04-11 |
CN1386017A (zh) | 2002-12-18 |
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