Patent ID: 8908713

Claim:
A method of requesting Multimedia Broadcast Multicast Service, MBMS, counting, comprising the steps of: a node B, when an MBMS counting procedure is triggered, transmitting a Multicast Control Channel, MCCH, change notification to a user equipment over a Physical Downlink Control Channel, PDCCH, scrambled by an MBMS-specific Radio Network Temporary Identifier, RNTI; and the node B transmitting an MBMS counting request to the user equipment over a changed MCCH; wherein the MCCH change notification includes identification information of the changed MCCH or an MCCH change indicator, or includes identification information of the changed MCCH and an MCCH change indicator; and wherein the Radio Network Temporary Identifier, RNTI, is a Multimedia Broadcast Multicast Service, MBMS, Radio Network Temporary Identifier, RNTI, M-RNTI; when a total number of bits corresponding to the PDCCH scrambled by the M-RNTI does not exceed a total number of MCCHs indicated by the PDCCH, the MCCH change notification includes the identification information of the changed MCCH or the MCCH change indicator; and when the total number of bits corresponding to the PDCCH scrambled by the M-RNTI exceeds the total number of MCCHs indicated by the PDCCH, the MCCH change notification includes the identification information of the changed MCCH and the MCCH change indicator or includes the MCCH change indicator.