Simplified radio multicast for group communication

摘要

The present invention relates to a group communication solution in a wireless communication network comprising at least one base station (5) and a plurality of terminals (1, 2, 3, 4) communicating wirelessly with the base station and where the terminals has at least partly identical identity references in order to be part of a multicast protocol push to talk group.

主权项

1. A method for enabling efficient utilization of radio access network resources for a plurality of terminals to exchange voice information in a group communication in a communication system comprising at least one radio coverage cell and at least one base station system, the method comprising:
sending an at least partly identical identification reference to each terminal within the group communication; identifying the participating terminals towards an infrastructure-side of the communication system at least partly as one and the same identity; receiving voice information from one of the plurality of terminals; and sending the voice information from an infrastructure device to the rest of the plurality of terminals that are part of the group communication using the at least partly identical identification reference; wherein the voice information is sent using a multicast protocol; and wherein, within a given single cell, the voice information is sent over a common downlink data channel for each of the rest of the terminals within the group that are within the given cell.