BRPI0406617A - Método de geração de um código de sìmbolos, aparelho, e receptor para sinais de televisão digital - Google Patents
Método de geração de um código de sìmbolos, aparelho, e receptor para sinais de televisão digitalInfo
- Publication number
- BRPI0406617A BRPI0406617A BR0406617-0A BRPI0406617A BRPI0406617A BR PI0406617 A BRPI0406617 A BR PI0406617A BR PI0406617 A BRPI0406617 A BR PI0406617A BR PI0406617 A BRPI0406617 A BR PI0406617A
- Authority
- BR
- Brazil
- Prior art keywords
- data
- digital television
- group
- receiver
- compliant
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
Classifications
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- 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
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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
- 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
- H04L1/0056—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
- 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
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
-
- 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
-
- 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
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Error Detection And Correction (AREA)
Abstract
"MéTODO DE GERAçãO DE UM CóDIGO DE SìMBOLOS, APARELHO, E RECEPTOR PARA SINAIS DE TELEVISãO DIGITAL". Trata-se de um campo de dados de sinais transmitidos de televisão digital que inclui um primeiro grupo de segmentos de dados com compatibilidade A/53 que transportam informações de carga útil e que inclui adicionalmente um segundo grupo de segmentos de dados com compatibilidade A/53 que contêm dados de paridade para codificação de correção antecipada de erros Reed-Solomon de atuação transversal dos dados contidos no primeiro grupo de segmentos de dados com compatibilidade A/53. Um receptor de televisão digital utiliza os bytes de paridade do segundo grupo de segmentos de dados com compatibilidade A/53 para implementação de decodificação de correção antecipada de erros Reed-Solomon de atuação transversal que corrige erros de bytes nos dados contidos no primeiro grupo de segmentos de dados com compatibilidade A/53.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43764803P | 2003-01-02 | 2003-01-02 | |
US45854703P | 2003-03-28 | 2003-03-28 | |
PCT/KR2004/000001 WO2004062183A1 (en) | 2003-01-02 | 2004-01-02 | Robust signal transmissions in digital television broadcasting |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0406617A true BRPI0406617A (pt) | 2005-12-20 |
Family
ID=32717913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0406617-0A BRPI0406617A (pt) | 2003-01-02 | 2004-01-02 | Método de geração de um código de sìmbolos, aparelho, e receptor para sinais de televisão digital |
Country Status (7)
Country | Link |
---|---|
US (2) | US7197685B2 (pt) |
KR (2) | KR101022480B1 (pt) |
CN (3) | CN101626282B (pt) |
BR (1) | BRPI0406617A (pt) |
CA (1) | CA2511903C (pt) |
MX (1) | MXPA05007094A (pt) |
WO (1) | WO2004062183A1 (pt) |
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US20040237024A1 (en) | 2004-11-25 |
USRE42301E1 (en) | 2011-04-19 |
KR20110003594A (ko) | 2011-01-12 |
WO2004062183A1 (en) | 2004-07-22 |
CN101521824A (zh) | 2009-09-02 |
CN1757190A (zh) | 2006-04-05 |
CA2511903A1 (en) | 2004-07-22 |
CN101626282B (zh) | 2013-08-21 |
KR20050091057A (ko) | 2005-09-14 |
KR101058038B1 (ko) | 2011-08-22 |
MXPA05007094A (es) | 2005-09-12 |
CA2511903C (en) | 2010-08-03 |
CN101626282A (zh) | 2010-01-13 |
US7197685B2 (en) | 2007-03-27 |
CN101521824B (zh) | 2013-05-15 |
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