eMBMS Gateway

The MBMS gateway is the source of a broadcast/multicast flow between the core network and the eNBs within the cell sites involved in the MBMS (Multimedia Broadcast Multicast Service) service. The MBMS Gateway uses SSM (Source Specific Multicast) techniques to deliver the data stream to multiple cell sites simultaneously. The MBMS Gateway may be a standalone network element or may be physically co-located with the combined S-GW/P-GW (Serving Gateway/PDN Gateway) or the BMSC (Broadcast Multicast Service Center).

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