BRPI0604084A - transmissor de televisão digital para codificar dados principais e otimizados para transmissão, método de codificação de dados principais e otimizados em um transmissor de televisão digital, receptor de televisão digital e método para decodificar um sinal em um receptor de televisão digital - Google Patents

transmissor de televisão digital para codificar dados principais e otimizados para transmissão, método de codificação de dados principais e otimizados em um transmissor de televisão digital, receptor de televisão digital e método para decodificar um sinal em um receptor de televisão digital

Info

Publication number
BRPI0604084A
BRPI0604084A BRPI0604084-5A BRPI0604084A BRPI0604084A BR PI0604084 A BRPI0604084 A BR PI0604084A BR PI0604084 A BRPI0604084 A BR PI0604084A BR PI0604084 A BRPI0604084 A BR PI0604084A
Authority
BR
Brazil
Prior art keywords
data
digital television
optimized
optimized data
data packets
Prior art date
Application number
BRPI0604084-5A
Other languages
English (en)
Inventor
In Hwai Choi
Kyung Won Kang
Kook Yeon Kwak
Young Jin Hong
Sung Ryong Hong
Original Assignee
Lg Electronics Inc
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
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of BRPI0604084A publication Critical patent/BRPI0604084A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/68—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for wholly or partially suppressing the carrier or one side band
    • 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
    • H03M13/27—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 using interleaving techniques
    • H03M13/2732—Convolutional interleaver; Interleavers using shift-registers or delay lines like, e.g. Ramsey type interleaver
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03273—Arrangements for operating in conjunction with other apparatus with carrier recovery circuitry
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03382—Single of vestigal sideband

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)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

TRANSMISSOR DE TELEVISãO DIGITAL PARA CODIFICAR DADOS PRINCIPAIS E OTIMIZADOS PARA TRANSMISSãO, MéTODO DE CODIFICAçãO DE DADOS PRINCIPAIS E OTIMIZADOS EM UM TRANSMISSOR DE TELEVISãO DIGITAL, RECEPTOR DE TELEVISãO DIGITAL E MéTODO PARA DECODIFICAR UM SINAL EM UM RECEPTOR DE TELEVISãO DIGITAL, apresenta um transmissor de televisão digital (DTV) e um método para codificação de dados no método do transmissor DTV; dados otimizados pré-processados por codificação dos dados otimizados para correção de erro à frente (FEC) e expansão dos dados otimizados codificados por FEC; um formatador de dados gera pacotes de dados otimizados que incluem os dados otimizados pré-processados e dados conhecidos inseridos a pelo menos um dos pacotes de dados otimizados, um primeiro multiplexador multiplexa pacotes de dados principais com os pacotes de dados otimizados, e um randomizador de dados randomiza os pacotes de dados multiplexados; um codificador reed-solomon (RS) codifica por RS os pacotes de dados randomizados através da adição de dados de primeira paridade, e um entrelaçador de dados entrelaça os pacotes de dados codificados por RS; um codificador de trellis faz a codificação trellis dos pacotes de dados entrelaçados, onde o codificador de trellis pode ser inicializado quando uma aeqüência de dados conhecida é inse rida a ele.
BRPI0604084-5A 2005-09-27 2006-09-20 transmissor de televisão digital para codificar dados principais e otimizados para transmissão, método de codificação de dados principais e otimizados em um transmissor de televisão digital, receptor de televisão digital e método para decodificar um sinal em um receptor de televisão digital BRPI0604084A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050090175A KR101191181B1 (ko) 2005-09-27 2005-09-27 디지털 방송의 송/수신 시스템 및 데이터 구조

Publications (1)

Publication Number Publication Date
BRPI0604084A true BRPI0604084A (pt) 2007-08-21

Family

ID=37893918

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0604084-5A BRPI0604084A (pt) 2005-09-27 2006-09-20 transmissor de televisão digital para codificar dados principais e otimizados para transmissão, método de codificação de dados principais e otimizados em um transmissor de televisão digital, receptor de televisão digital e método para decodificar um sinal em um receptor de televisão digital

Country Status (6)

Country Link
US (2) US7804909B2 (pt)
KR (1) KR101191181B1 (pt)
CN (1) CN1941858B (pt)
BR (1) BRPI0604084A (pt)
CA (1) CA2560362C (pt)
MX (1) MXPA06011001A (pt)

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Also Published As

Publication number Publication date
US20070071110A1 (en) 2007-03-29
CA2560362A1 (en) 2007-03-27
MXPA06011001A (es) 2007-03-26
CA2560362C (en) 2012-08-28
CN1941858B (zh) 2011-08-10
US8472544B2 (en) 2013-06-25
KR20070035387A (ko) 2007-03-30
KR101191181B1 (ko) 2012-10-15
US20100316138A1 (en) 2010-12-16
CN1941858A (zh) 2007-04-04
US7804909B2 (en) 2010-09-28

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