ES2156591T3 - Procedimiento y aparato para comunicar datos modulados en niveles multiples usando codificacion concatenada. - Google Patents

Procedimiento y aparato para comunicar datos modulados en niveles multiples usando codificacion concatenada.

Info

Publication number
ES2156591T3
ES2156591T3 ES95100463T ES95100463T ES2156591T3 ES 2156591 T3 ES2156591 T3 ES 2156591T3 ES 95100463 T ES95100463 T ES 95100463T ES 95100463 T ES95100463 T ES 95100463T ES 2156591 T3 ES2156591 T3 ES 2156591T3
Authority
ES
Spain
Prior art keywords
symbols
coded
qam
television
decoder
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 - Lifetime
Application number
ES95100463T
Other languages
English (en)
Inventor
Zheng Huang
Chris Heegard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22677131&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2156591(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Application granted granted Critical
Publication of ES2156591T3 publication Critical patent/ES2156591T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/0057—Block codes
    • 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
    • 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
    • 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
    • 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
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • 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
    • 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
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • 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
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
    • H04L27/3427—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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 encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Artificial Intelligence (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

UN CODIGO DE CORRECCION DE SIMBOLO DE ERROR EXTERIOR ESTA CONCATENADO CON UN CODIGO DE REJA MULTIDIMENSIONAL PERFORADO PARA PROPORCIONAR UN ESQUEMA OPTIMO DE COMUNICACION DE SEÑALES DIGITALES DE TELEVISION EN UN CANAL DE BANDA ANCHA ESTANDAR (EJ. APROXIMADAMENTE SEIS MHZ) MEDIANTE UNA RED DE TELEVISION POR CABLE O SIMILAR. UNA SEÑAL DE ENTRADA (10) ES CODIFICADA UTILIZANDO UN CODIGO DE CORRECCION DE SIMBOLO DE ERROR EXTERIOR (12) PARA PRODUCIR BLOQUES SUCESIVOS. CADA BLOQUE COMPRENDE N SIMBOLOS CODIFICADOS DE SIETE BITS DE LOS CUALES, M REPRESENTA LA INFORMACION QUE DEBE COMUNICARSE Y LOS RESTANTES N-M SIMBOLOS CODIFICADOS COMPRENDEN LA INFORMACION DE CORRECCION DE ERROR. M/N ES 120/126, 121/127 O 122/128. LOS BLOQUES ESTAN ENTRELAZADOS (18) Y PUEDEN ESTAR SUPLEMENTADOS POR SIMBOLOS DE CONTROL (19) QUE INCLUYEN UN MODELO DE SINCRONIZACION PARA M/N = 121/127 O M/N = 122/128. LOS BLOQUES ENTRELAZADOS SE CODIFICAN ESPIRALMENTE UTILIZANDO UN CODIGO DE REJA INTERIOR (20) QUE TIENE UNA PROPORCIONDE PERFORACION 4/5 (64 QAM) O 3/4 (16 QAM). LOS SIMBOLOS DE SALIDA ESTAN MODULADOS EN MULTINIVEL (21) PARA SU TRANSMISION SOBRE UNA TRAYECTORIA DE COMUNICACION (26) QUE UTILIZA POR EJEMPLO 16 O 64 QAM. LOS SIMBOLOS TRANSMITIDOS SE DESCODIFICAN UTILIZANDO UN DESCODIFICADOR DE REJA (32), UN DESENTRELAZADOR (34), Y SE DESCODIFICAN ADEMAS EN UN DESCODIFICADOR DE SIMBOLO DE ERROR EXTERIOR (36) CONCATENADO CON EL DESCODIFICADOR DE REJA INTERNO (32).
ES95100463T 1994-01-18 1995-01-14 Procedimiento y aparato para comunicar datos modulados en niveles multiples usando codificacion concatenada. Expired - Lifetime ES2156591T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/184,499 US5511096A (en) 1994-01-18 1994-01-18 Quadrature amplitude modulated data for standard bandwidth television channel

Publications (1)

Publication Number Publication Date
ES2156591T3 true ES2156591T3 (es) 2001-07-01

Family

ID=22677131

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95100463T Expired - Lifetime ES2156591T3 (es) 1994-01-18 1995-01-14 Procedimiento y aparato para comunicar datos modulados en niveles multiples usando codificacion concatenada.

Country Status (11)

Country Link
US (1) US5511096A (es)
EP (1) EP0663775B1 (es)
JP (1) JP3119290B2 (es)
KR (1) KR100324858B1 (es)
AT (1) ATE200721T1 (es)
AU (1) AU679591B2 (es)
CA (1) CA2140484C (es)
DE (1) DE69520696T2 (es)
ES (1) ES2156591T3 (es)
MX (1) MX9500541A (es)
NO (1) NO315020B1 (es)

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Also Published As

Publication number Publication date
DE69520696D1 (de) 2001-05-23
ATE200721T1 (de) 2001-05-15
CA2140484A1 (en) 1995-07-19
JPH07288556A (ja) 1995-10-31
AU1026895A (en) 1995-07-27
US5511096A (en) 1996-04-23
CA2140484C (en) 1999-09-14
KR950035433A (ko) 1995-12-30
EP0663775A3 (en) 1997-11-19
NO315020B1 (no) 2003-06-23
KR100324858B1 (ko) 2002-06-28
EP0663775B1 (en) 2001-04-18
JP3119290B2 (ja) 2000-12-18
AU679591B2 (en) 1997-07-03
DE69520696T2 (de) 2001-11-22
NO950190L (no) 1995-07-19
EP0663775A2 (en) 1995-07-19
MX9500541A (es) 1997-02-28
NO950190D0 (no) 1995-01-18

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