FIELD: communications.
SUBSTANCE: in accordance to the invention, one RCD_ID is used for broadcasting for a group of clients. By using information about quality of client group channel, base station determines identification of client with worst channel states. Synchronization and format of transmission of multi-address transmission are then adjusted so that client with worst conditions of channels could resume transmission. If synchronization and transmission format are selected in relation to client with worst channel states, it is possible, that other clients will also be able to resume transmission. Therefore, usage of only one RCD_ID is required to perform on broadcasting transmission, instead of transmitting a set of transmissions for a set of clients.
EFFECT: ensured efficiency of broadcasting in wireless packet data system.
11 cl, 3 dwg, 1 tbl
