GATEWAY SERVER METHOD OF COMMUNICATION CONTROL FOR SAME AND GATEWAY SYSTEM

摘要

To improve the precision with which a UE moving in and/or out of the service area of a femtocell is detected there is provided a gateway (110_1) that constitutes part of a gateway system and is adapted to relay traffic between a core network (20) and a base station (30_2). When a TMSI or a P TMSI temporarily assigned to a mobile device (40_1) that has requested to enter the service area of the base station (30_2) is received from the base station (30_2) via a public network a request is made that a server (120) in communication with the core network (20) and the gateway (110_1) be notified of the IMSI permanently assigned to the mobile device (40_1) and associated with the TMSI or P TMSI. The server (120) obtains the IMSI from the core network (20) in accordance with the request and informs the gateway (110_1). The gateway (110_1) identifies the mobile device (40_1) using the IMSI.