Patent ID: 8660049

Claim:
A wireless communication system comprising: a first base station configured to perform a multicast transmission to a plurality of terminals configured to receive the multicast transmission; and a second base station which is configured to perform unicast transmission to at least one of the terminals and not to perform the multicast transmission, wherein, on the basis of a first time slot in a timing of operation of the first base station in which the first base station performs the multicast transmission, said second base station controls communication to the at least one terminal, which is executed by said second base station, so as not to perform a unicast transmission to the at least one terminal in a time slot in the timing of operation of the second base station corresponding to said first time slot in the timing operation of the first base station, thereby suspending the unicast transmission during said time slot in the timing of operation of the second base station, and in the case of a second time slot in the timing of operation of the second base station does not correspond to said first time slot, the unicast data transmission is performed by the second base station in said second time slot.