Patent ID: 8175601

Claim:
A method at a first base station supporting a first cell for detecting a fake cell identity in a wireless communication system having a plurality of base stations, the method comprising the steps of: receiving a first and a second cell identity relating to a second cell from a mobile station; transmitting at least one of the received first and second cell identity to a node, wherein said node is an address server; establishing a connection with a second base station upon receiving a message from the node indicating the validity of the second cell identity; transmitting to the second base station the received first and second cell identity in a handover request; and interrupting the mobile station to perform handover to the second cell upon receiving a message from the node indicating invalidity of one of the cell identities or receiving a message from the node indicating a mismatch between the first and the second cell identity or upon receiving a message from the second base station indicating a mismatch between the first and second cell identity.