Patent ID: 8676160

Claim:
A method of controlling a User Equipment (UE) that supports a dual mode, the method comprising: upon entering a home network, receiving a CSG (Closed Subscriber Group) ID from a CSG cell; determining whether the received CSG ID is included in a list of CSGs allowed for the UE; if the received CSG ID is included in the list, transmitting a registration request message to a Mobility Management Entity (MME) through a femto Node B in order to register the UE to the CSG cell; receiving a response message through the femto Node B from the MME in response to the registration request message requesting registration of a location of the UE; determining whether the response message includes a femto capability indicator that was inserted by the MME into the response message before transmission of the response message to the UE; and turning on a Wireless Local Area Network (WLAN) modem of the UE when the response message includes the femto capability, wherein the femto capability indicator inserted in the response message indicates whether the femto Node B supports the WLAN, and wherein the registration request message is transmitted with the CSG ID included in the list of CSGs allowed.