Patent ID: 7969938

Claim:
A method of providing a multimedia broadcast/multicast service (MBMS) service to user equipment (UE) in a serving radio network controller (SRNC), the method comprising: detecting, by the SRNC, movement of the UE from a first cell to a second cell, the UE configured to receive the MBMS service; requesting, by the SRNC, setup or addition of a radio link for the UE to a drift radio network controller (DRNC) which controls the second cell; upon requesting the setup or addition of a radio link to the DRNC, receiving, by the SRNC, preferred frequency layer (PFL) information indicating the PFL of at least one MBMS service which the UE has joined and of which the at least one MBMS service has started from the DRNC; and transmitting, by the SRNC, the received PFL information to the UE.