Patent ID: 8787234
Filing Date: 2014-07-22
Classification: H04W

Abstract:
1. A method of multicasting within a wireless communications system, comprising: determining to transmit multicast messages associated with an announced multicast session on a downlink shared channel; receiving, from one or more access terminals, a multicast session registration message to request registration to the announced multicast session and a traffic channel request to request a given traffic channel; assigning a traffic channel to each of the one or more access terminals; maintaining the one or more traffic channel assignments to the one or more access terminals throughout the announced multicast session while transmitting the multicast messages to the one or more access terminals on the downlink shared channel, wherein the maintaining maintains the one or more traffic channel assignments irrespective of whether one or more forward links of the one or more assigned traffic channels carry media for the announced multicast session during the announced multicast session; tracking a location of the one or more access terminals during the announced multicast session based on the one or more assigned traffic channels; and updating a set of sectors supporting the announced multicast session via the downlink shared channel during the announced multicast session based on the location tracking.