Apparatus and method for preventing excessive signaling overhead while a group communication is performed in a broadband wireless access system

摘要

An apparatus and a method for setting a group communication session using a wireless access system are provided. The method includes transmitting, at a transmission side client, a message requesting start/end of group communication to a control Push To Talk (PTT) server, transmitting, at the control PTT server, a session set/end message including a sequence number to a participating PTT server, multicasting, at the participating PTT server, a connect/disconnect request message N times for at least one reception side client, and setting/releasing, at the at least one reception side client, a session for the group communication.

主权项

1. A method for managing a group communication session based on a wireless access system, the method comprising:
transmitting, at a transmission side client, a message requesting start/end of group communication to a control Push To Talk (PTT) server; transmitting, at the control PTT server, a plurality of session set/end messages comprising a same sequence number to a participating PTT server, the same sequence number being used to identify the plurality of session set/end messages derived from a single start/end request for group communication; multicasting, at the participating PTT server, a connect/disconnect request message for a plurality of reception side clients, corresponding to the plurality of session set/end messages; and setting/releasing, at each of the plurality of reception side clients, a session for the group communication.