Patent ID: 9326269
Filing Date: 2016-04-26
CPC Classification: H04W

Claim Text:
1. A method for operation of a mobile station (MS) in a wireless access system, the method comprising the steps of: receiving an application layer message, which is related to a session management, from an application server, wherein the application layer message includes information corresponding to a multicast group to which the MS belongs; determining a scanning cycle of the multicast service based on the information included in the application layer message, wherein the information comprises a scanning cycle pattern and a scan offset; and performing scanning and receiving multicast data for the multicast group to which the MS belongs according to the scanning cycle, wherein the scan offset is generated based on at least one of a connection identifier (CID) for the multicast group, an Internet protocol (IP) address for the multicast data, and an identifier (ID) of the multicast group, and wherein the scanning cycle pattern includes at least one of a scanning cycle total length, a scanning interval length, and a scheduling interval length.