APPARATUS AND METHOD FOR SIGNALING FOR GROUP COMMUNICATION IN BROADBAND WIRELESS ACCESS SYSTEM

摘要

PURPOSE: A signaling method and an apparatus thereof are provided to prevent transmission of an MBCPConnet/Disconnect message in an existing OMG PoC standard in a broadband wireless access system. CONSTITUTION: A transmission client(110-1) transmits a message for requesting starting/ending of a group calling to a control PTT(Push To Talk) server(150). The control PTT server transmits a session setting/ending message to a participation PTT server(160). The participation PTT server performs N-times multicasting]of a connection/disconnection request message(110-2).