3 Definitions and abbreviations

3GPP43.246Multimedia Broadcast/Multicast Service (MBMS) in the GERANRelease 16Stage 2TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TS 22.146 [3] and the following apply.

Dedicated MBMS Notification: A mechanism in the network that allows the network to notify mobile stations in dedicated mode of starting MBMS multicast sessions.

MBMS radio bearer: In A/Gb mode, an MBMS radio bearer is defined as "point-to-multipoint".

MBMS channel: An MBMS channel consists of the physical resources assigned to one (several) MBMS service(s). In A/Gb mode, an MBMS channel carries one (several) MBMS radio bearer(s) and may be on one (several) PDCH(s) with GPRS and/or EGPRS TBF(s).

MBMS session: Defined in 3GPP TS 22.146 [3].

MBMS service: Defined in 3GPP TS 22.146 [3].

MBMS service class: An MBMS service class is defined as either Background or Streaming, according to 3GPP TS 23.107 [2].

MBMS notification: Defined in 3GPP TS 23.246 [5].

3.2 Abbreviations

For the purposes of the present document, the following abbreviations apply:

BM-SC Broadcast/Multicast Service Centre

MBMS Multimedia Broadcast/Multicast Service

MPRACH MBMS Packet Random Access Channel

p-t-p point-to-point

p-t-m point-to-multipoint

TMGI Temporary Mobile Group Identifier