IP over DVB

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.

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

DVB-IPTV

DVB-IPTV is an open DVB standard that enables Audio/Video services to be delivered to and through the home via Internet Protocol networking. DVB-IPTV was formerly known as DVB-IPI.

References

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