Patent ID: 9351128
Filing Date: 2016-05-24
CPC Classification: H04L,H04W

Claim Text:
1. A method of operating an application server configured to deliver media to a plurality of multicast/broadcast single frequency network (MBSFN) areas, comprising: obtaining a data stream for a group communication session for transmission by a first MBSFN area and by a second MBSFN area, wherein the first MBSFN area is configured to support a higher data rate for Internet Protocol (IP) multicast transmissions as compared to a lower data rate portion of the second MBSFN area; providing the data stream to the first and second MBSFN areas for transmission via IP multicast at a common data rate; obtaining quality feedback related to the group communication session from one or more target user equipments (UEs) within the first and second MBSFN areas; updating the common data rate in response to the quality feedback; and continuing to provide the data stream to the first and second MBSFN areas for transmission via IP multicast at the updated common data rate, wherein the providing provides the data stream to the first and second MBSFN areas over a first path that is configured for multicast and/or broadcast traffic, and wherein the obtaining obtains the quality feedback from each of the one or more target UEs over a second path configured for unicast traffic that is different from the first path.