Patent ID: 9179268
Filing Date: 2015-11-03
Classification: H04L,H04W

Abstract:
1. A method for providing Multicast and Broadcast Service (MCBCS) in a wireless communication system, comprising: performing a session procedure including receiving a session start request message from an MCBCS server if there is an MBS data to send, transmitting data path request messages to base stations providing the MCBCS to a mobile station and transmitting a session start response message after data path establishment; receiving, at an anchor Access Service Network Gateway (ASN GW), a join initiate message from a mobile station to be provided with an MCBCS based on service announce information; transmitting a join request message to a serving ASN GW upon receipt of the join initiate message at the anchor ASN GW; receiving the join request message and transmitting an access request message to a server; and requesting, at a corresponding one of the base stations, to perform a dynamic service addition procedure with the mobile station based on the join request message, wherein the session start request message includes a multicast connection identifier, a service flow identifier, resource parameters between the base stations and the mobile station, and a MAP information of a MCBCS frame.