Patent ID: 8813195
Filing Date: 2014-08-19
Classification: H04L,H04W

Abstract:
1. A method, in a serving GPRS support node in a first operating domain of a communication network, for authenticating a user equipment (UE) connecting to the communication network via a Femtocell and requesting a service provided by a second operating domain, wherein the second operating domain provides a backhaul for the Femtocell in the first operating domain, the UE is registered to the first operating domain, and the method comprises: A. receiving, at the serving GPRS support node, a first request message from the UE, the first request message requesting to receive the service provided by the second operating domain; B. verifying, at the serving GPRS support node, whether the UE is authorized to receive the service; and C. sending, from the GPRS support node, a second request message to an authentication server in the first operating domain, if the UE is authorized to receive the service, the second request message being used to request the authentication server in the first operating domain to allocate needed information to access the service for the UE, the authentication server being configured to independently authenticate mobile devices operating within the first operating domain but not the second operating domain.