ATE472209T1 - Vorrichtung zur übertragung von dvb/mpeg signalen mit adaptiver kodierung und modulation - Google Patents

Vorrichtung zur übertragung von dvb/mpeg signalen mit adaptiver kodierung und modulation

Info

Publication number
ATE472209T1
ATE472209T1 AT03021993T AT03021993T ATE472209T1 AT E472209 T1 ATE472209 T1 AT E472209T1 AT 03021993 T AT03021993 T AT 03021993T AT 03021993 T AT03021993 T AT 03021993T AT E472209 T1 ATE472209 T1 AT E472209T1
Authority
AT
Austria
Prior art keywords
modulation
adaptive coding
mpeg signals
programmed
transmitting dvb
Prior art date
Application number
AT03021993T
Other languages
English (en)
Inventor
Alberto Morello
Original Assignee
Rai Radiotelevisione Italiana
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 Rai Radiotelevisione Italiana filed Critical Rai Radiotelevisione Italiana
Application granted granted Critical
Publication of ATE472209T1 publication Critical patent/ATE472209T1/de

Links

Classifications

    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6373—Control signals issued by the client directed to the server or network components for rate control, e.g. request to the server to modify its transmission rate
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Radio Relay Systems (AREA)
AT03021993T 2002-10-04 2003-09-30 Vorrichtung zur übertragung von dvb/mpeg signalen mit adaptiver kodierung und modulation ATE472209T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000858A ITTO20020858A1 (it) 2002-10-04 2002-10-04 Sistema di trasmissione di segnali digitali dvb/mpeg,particolarmente per comunicazioni via satellite

Publications (1)

Publication Number Publication Date
ATE472209T1 true ATE472209T1 (de) 2010-07-15

Family

ID=32012187

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03021993T ATE472209T1 (de) 2002-10-04 2003-09-30 Vorrichtung zur übertragung von dvb/mpeg signalen mit adaptiver kodierung und modulation

Country Status (7)

Country Link
US (1) US7607154B2 (de)
EP (1) EP1408637B1 (de)
AT (1) ATE472209T1 (de)
DE (1) DE60333065D1 (de)
DK (1) DK1408637T3 (de)
ES (1) ES2347425T3 (de)
IT (1) ITTO20020858A1 (de)

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Also Published As

Publication number Publication date
DK1408637T3 (da) 2010-10-11
EP1408637A1 (de) 2004-04-14
US20040073929A1 (en) 2004-04-15
ITTO20020858A1 (it) 2004-04-05
US7607154B2 (en) 2009-10-20
DE60333065D1 (de) 2010-08-05
ES2347425T3 (es) 2010-10-29
EP1408637B1 (de) 2010-06-23

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties