Patent ID: 7870588

Claim:
A communication system comprising: a plurality of base stations which constitutes at least one cell cluster and through which a plurality of mobile terminals perform wireless communication; A broadcast transmission tower, which is distinct from the plurality of base stations, for broadcasting video programs directly to the plurality of mobile terminals; and a central control node for alternatively allocating time slots between the broadcast transmission tower and the plurality of base stations based on a predetermined schedule algorithm, wherein the broadcast transmission tower broadcasts video programs to the plurality of mobile terminals within the time slots allocated to the broadcast transmission tower, and the plurality of base stations perform wireless communication with the plurality of mobile terminals within the time slots allocated to the plurality of base stations, wherein the time slots allocated to the broadcast transmission tower do not overlap with the time slots allocated to the plurality of base stations, and wherein the central control node also allocates frequency to the plurality of base stations for performing wireless communication with the plurality of mobile terminals.