BRPI0605430A - transmissor de televisão digital para codificação de dados principais e otimizados para transmissão e método de processamento de dados principais e otimizados para transmissão em um transmissor de televisão digital - Google Patents

transmissor de televisão digital para codificação de dados principais e otimizados para transmissão e método de processamento de dados principais e otimizados para transmissão em um transmissor de televisão digital

Info

Publication number
BRPI0605430A
BRPI0605430A BRPI0605430-7A BRPI0605430A BRPI0605430A BR PI0605430 A BRPI0605430 A BR PI0605430A BR PI0605430 A BRPI0605430 A BR PI0605430A BR PI0605430 A BRPI0605430 A BR PI0605430A
Authority
BR
Brazil
Prior art keywords
data
optimized
transmitter
optimized data
transmission
Prior art date
Application number
BRPI0605430-7A
Other languages
English (en)
Inventor
Kyung Won Kang
In Hwan Choi
Kook Yeon Kwak
Ja Hyuk Koo
Kyung Wook Shin
Yong Hak Shuh
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 BRPI0605430A publication Critical patent/BRPI0605430A/pt

Links

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
    • 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 encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • 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
    • H03M13/29—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

"TRANSMISSOR DE TELEVISãO DIGITAL PARA CODIFICAçãO DE DADOS PRINCIPAIS E OTIMIZADOS PARA TRANSMISSãO E MéTODO DE PROCESSAMENTO DE DADOS PRINCIPAIS E OTIMIZADOS PARA TRANSMISSãO EM UM TRANSMISSOR DE TELEVISãO DIGITAL", apresenta um transmissor/receptor de TV digital (DTV) e um método de processamento de dado no transmissor/receptor de DTV são revelados; no transmissor de DTV, um pré-processador pré-processa o dado otimizado ao codificar o dado otimizado para correção adiantada de erros (FEC) e expandindo o dado otimizado codificado por FEC; um formatador de dado gera pacotes de dado otimizados, incluindo o dado otimizado pré-processado e insere o dado conhecido em pelo menos um dos pacotes de dado otimizado. Um primeiro multiplexador multiplexa os pacotes de dado otimizado com pacotes de dado principal, incluindo o dado principal; e um codificador RS codifica por RS os pacotes de dado principal e otimizado multiplexado, o codificador RS adiciona dado de paridade sistemática para cada pacote de dado principal e adiciona os marcadores de espaço da paridade RS para cada pacote de dado otimizado; na presente, o codificador RS pode inserir dado de paridade RS não sistemática ou dado nulo nos marcadores de espaço de paridade RS inclusos em cada pacote de dado otimizado.
BRPI0605430-7A 2005-11-26 2006-11-21 transmissor de televisão digital para codificação de dados principais e otimizados para transmissão e método de processamento de dados principais e otimizados para transmissão em um transmissor de televisão digital BRPI0605430A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050113907A KR101191182B1 (ko) 2005-11-26 2005-11-26 디지털 방송 시스템 및 처리 방법

Publications (1)

Publication Number Publication Date
BRPI0605430A true BRPI0605430A (pt) 2007-09-04

Family

ID=37907843

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0605430-7A BRPI0605430A (pt) 2005-11-26 2006-11-21 transmissor de televisão digital para codificação de dados principais e otimizados para transmissão e método de processamento de dados principais e otimizados para transmissão em um transmissor de televisão digital

Country Status (7)

Country Link
US (3) US7730386B2 (pt)
EP (1) EP1793607A3 (pt)
KR (1) KR101191182B1 (pt)
CN (2) CN100490510C (pt)
BR (1) BRPI0605430A (pt)
CA (1) CA2566269C (pt)
MX (1) MXPA06013151A (pt)

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Also Published As

Publication number Publication date
KR20070055671A (ko) 2007-05-31
CN101540856A (zh) 2009-09-23
CN1984264A (zh) 2007-06-20
MXPA06013151A (es) 2008-10-15
US8438464B2 (en) 2013-05-07
CN101540856B (zh) 2012-12-05
CA2566269A1 (en) 2007-05-26
US20110214036A1 (en) 2011-09-01
EP1793607A2 (en) 2007-06-06
US7730386B2 (en) 2010-06-01
US7962840B2 (en) 2011-06-14
CA2566269C (en) 2013-01-22
US20100205512A1 (en) 2010-08-12
CN100490510C (zh) 2009-05-20
EP1793607A3 (en) 2010-10-20
US20070136643A1 (en) 2007-06-14
KR101191182B1 (ko) 2012-10-15

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2386 DE 27-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B15K Others concerning applications: alteration of classification

Ipc: H04N 21/2383 (2011.01), H04N 21/438 (2011.01), H03