AR043659A1 - Sistema de transmision digital con multiplexado de datos mejorados en sistema de transmision vsb - Google Patents
Sistema de transmision digital con multiplexado de datos mejorados en sistema de transmision vsbInfo
- Publication number
- AR043659A1 AR043659A1 ARP040100919A ARP040100919A AR043659A1 AR 043659 A1 AR043659 A1 AR 043659A1 AR P040100919 A ARP040100919 A AR P040100919A AR P040100919 A ARP040100919 A AR P040100919A AR 043659 A1 AR043659 A1 AR 043659A1
- Authority
- AR
- Argentina
- Prior art keywords
- improved data
- transmission system
- vsb
- multiplexing
- multiplexed data
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 3
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
-
- 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
- H04L1/0057—Block 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
- H04L1/0059—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Time-Division Multiplex Systems (AREA)
- Error Detection And Correction (AREA)
Abstract
Se revela un sistema de transmisión VSB digital y un método de multiplexado de datos mejorados. Cuando datos mejorados ? codificados a una tasa de ? y datos mejorados L codificados a una tasa de L son transmitidos, la fluctuación de sincronización MPEG del receptor VSB puede reducirse así como el tamano del buffer de entrada en el decodificador MPEG del receptor VSB mediante el multiplexado del paquete de datos mejorados ? y el paquete de datos mejorados L de acuerdo a intervalos predeterminados. El multiplexado de los paquetes de datos mejorados ? y L por agrupamiento incrementa el rendimiento de recepción de los datos mejorados L. El multiplexado de los paquetes de datos mejorados ? y L en forma alternativa reduce la fluctuación de sincronización MPEG en el receptor VSB e incrementa el rendimiento de recepción de los datos mejorados L.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0017834A KR100510679B1 (ko) | 2003-03-21 | 2003-03-21 | 디지털 vsb 전송 시스템 및 부가 데이터 다중화 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR043659A1 true AR043659A1 (es) | 2005-08-03 |
Family
ID=32985839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP040100919A AR043659A1 (es) | 2003-03-21 | 2004-03-19 | Sistema de transmision digital con multiplexado de datos mejorados en sistema de transmision vsb |
Country Status (6)
Country | Link |
---|---|
US (2) | US7450613B2 (es) |
KR (1) | KR100510679B1 (es) |
CN (2) | CN1306781C (es) |
AR (1) | AR043659A1 (es) |
CA (1) | CA2461055C (es) |
MX (1) | MXPA04002568A (es) |
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-
2003
- 2003-03-21 KR KR10-2003-0017834A patent/KR100510679B1/ko not_active IP Right Cessation
- 2003-11-04 US US10/701,916 patent/US7450613B2/en not_active Expired - Fee Related
-
2004
- 2004-03-16 CA CA2461055A patent/CA2461055C/en not_active Expired - Fee Related
- 2004-03-18 MX MXPA04002568A patent/MXPA04002568A/es active IP Right Grant
- 2004-03-19 AR ARP040100919A patent/AR043659A1/es active IP Right Grant
- 2004-03-22 CN CNB2004100288000A patent/CN1306781C/zh not_active Expired - Fee Related
- 2004-03-22 CN CN200710007278.1A patent/CN101009848B/zh not_active Expired - Fee Related
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2008
- 2008-10-09 US US12/248,885 patent/US8166374B2/en not_active Expired - Fee Related
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US8166374B2 (en) | 2012-04-24 |
US20040090997A1 (en) | 2004-05-13 |
US20090037794A1 (en) | 2009-02-05 |
CN101009848B (zh) | 2014-10-22 |
KR20040083248A (ko) | 2004-10-01 |
CN1543219A (zh) | 2004-11-03 |
CA2461055C (en) | 2012-12-18 |
US7450613B2 (en) | 2008-11-11 |
CA2461055A1 (en) | 2004-09-21 |
KR100510679B1 (ko) | 2005-08-31 |
CN1306781C (zh) | 2007-03-21 |
CN101009848A (zh) | 2007-08-01 |
MXPA04002568A (es) | 2004-12-02 |
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