Patent ID: 8189528
Filing Date: 2012-05-29
Classification: H04W

Abstract:
1. A base station comprising a control device, the control device comprising: a multicast group administration unit configured to administer one or more multicast groups to which a plurality of mobile stations belongs; a timing determination unit configured to determine inter-frequency measurement timings for the plurality of mobile stations; and a transmission unit configured to transmit multicast data to the plurality of mobile stations, wherein the timing determination unit assigns a uniform inter-frequency measurement timing for mobile stations belonging to the same multicast group of the administrated multicast groups, wherein the uniform inter-frequency measurement timing is at a timing different from inter-frequency measurement timing of mobile stations not belonging to the same multicast group, and wherein the transmission unit transmits the multicast data to the mobile stations belonging to the same multicast group at a timing different from the uniform inter-frequency measurement timing.