Method of transmitting MBMS data in an E-UTRAN-system
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsIstvan Godor, Akos Kovacs, Andras Racz
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Abstract
In an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) system Multimedia Broadcast Multicast Service (MBMS) data is transmitted as layered data together with control information comprising information enabling a User Equipment to reconstruct the layered MBMS data.
Claims45
An Evolved Universal Terrestrial Radio Access Network (E-UTRAN) system transmitting Multimedia Broadcast Multicast Service (MBMS) data, the system comprising:
- a base station for transmitting the MBMS data as layered data comprising a lower layer in a first transmit stream and a number of higher enhancements layers in a second transmit stream different from the first transmit stream;
- and
- signaling circuitry for transmitting control information comprising signaling that binds together the different layers transmitted in the first and second transmit streams and belonging to the same MBMS service enabling a User Equipment (UE) to reconstruct the layered MBMS data;
- and
- an entity configured to indicate to which layer data transmitted belongs.
A method of transmitting Multimedia Broadcast Multicast Service (MBMS) data Evolved Universal Terrestrial Radio Access Network (E-UTRAN) system, said method comprising:
- transmitting the data as layered data comprising a lower layer in a first transmit stream and a number of higher enhancements layers in a second transmit stream different than the first transmit stream;
- signaling control information, comprising signaling that binds together the transmission of the different layers in the first and second transmit streams belonging to the same MBMS service, from the system enabling a User Equipment (UE) to reconstruct the layered MBMS data;
- and
- transmitting data indicating to which layer layered data belongs.
A base station for use in an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) system transmitting Multimedia Broadcast Multicast Service (MBMS) data, said base station comprising:
- a transmitter for transmitting the MBMS data as layered data comprising a lower layer and a number of higher enhancements layers, wherein the lower layer is transmitted in a first transmit stream, and wherein the number of higher enhancements layers are transmitted in a second transmit stream different from the first transmit stream;
- signaling circuitry associated with the transmitter, for transmitting control information comprising signaling that binds together the transmission of the different layers in the first and second transmit streams and belonging to the same MBMS service enabling a User Equipment to reconstruct the layered MBMS data;
- and
- an entity configured to indicate to which layer data transmitted belongs.
A User Equipment (UE) for use in an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) system transmitting Multimedia Broadcast Multicast Service (MBMS) data, said UE comprising:
- a receiver for receiving the MBMS data as layered data in first and second different transmit streams, wherein the first transmit stream comprises a lower layer of the MBMS data and wherein the second transmit stream comprises a number of higher enhancements layers of the MBMS data;
- processing circuitry for receiving control information via said receiver, said control information comprising signaling that binds together the transmission of the different layers in the first and second transmit streams belonging to the same MBMS service, thereby enabling the UE to reconstruct the layered MBMS data;
- and
- wherein the UE is configured to receive an indication on a MBMS point-to-multipoint Control Channel (MCCH), indicating to which layer layered data belongs.
Dependencies are inferred from the claim text.