Samiksha Jaiswal (Editor)

IP over DVB

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IP over DVB or IP over MPEG implies that Internet Protocol datagrams are transferred over the MPEG transport stream, and are distributed using some digital television system, for example DVB-H, DVB-T, DVB-S or DVB-C.

Contents

Application examples

  • Data broadcast (datacast), for example a data carousel sending programme information and media over and over again.
  • IP Multicast, for sending media efficiently to a limited group of subscribing users, using only the transmitter towers where users for the moment are situated.
  • interactive TV services
  • To provide internet access by utilizing the DVB system as a broadband downlink, in combination with some narrow-band duplex system. Examples:
  • Satellite Internet access, e.g. to buildings in the countryside, using a telephone modem as the back-channel
  • Broadband Internet access to trains
  • Mobile broadband internet access to cellular phones including a mobile TV receiver, for example a DVB-H receiver.

    • Return channels

    All services except the first requires some kind of return channel.

  • DVB-RCT (DVB return channel terrestrial)
  • POTS modems
  • ADSL
  • GPRS
  • 3G
  • DOCSIS (Cable Modems)

    • Protocols for IP over MPEG transport stream

  • MPEG Multiprotocol encapsulation (MPE), or ETSI-DAT. EN 301 192, "Specifications for Data Broadcasting", European Telecommunications Standards Institute(ETSI), 2004.
  • MPEG Unidirectional Lightweight Encapsulation (ULE) (RFC 4326)
  • Unidirectional link (UDE)
  • DVB-H IP datacasting IPDC

    • References

    IP over DVB Wikipedia
    (Text) CC BY-SA