TMGI – Temporary Mobile Group Identity
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TMGI – Temporary Mobile Group Identity

The TMGI is a radio resource efficient mechanism for identifying an MBMS Bearer Service (as opposed to using the IP Multicast Address and Access Point Name). Initially allocated by the BM-SC (Broadcast Multicast Service Center), the TMGI for a specific MBMS multicast service is provided to the mobile during the MBMS Multicast Service Activation procedure.

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