Patent ID: 8626155

Claim:
A method for mobility management in a mobile network having a closed subscriber group, CSG, associated with at least one home base station, the method comprising: receiving, by a mobility management node, a message from an Operation Maintenance Administration and Provisioning, OMA&P, system, said message including first information associated with an authorization for a roaming subscriber from another mobile network than the mobility management node to access said at least one home base station which serves said CSG; and communicating, by said mobility management node, CSG information over an interface toward a home subscriber server, HSS, of the roaming subscriber, wherein said step of communicating comprises at least one of: (1) transmitting at least a part of said first information associated with the authorization for said roaming subscriber to access said at least one home base station which serves said CSG, towards said HSS, and (2) receiving second information from said HSS associated with CSG authorizations for said roaming subscriber, wherein said step of receiving said second information from said HSS associated with CSG authorizations for said roaming subscriber further comprises comparing, by said mobility management node, said message with said second information, and if a difference is found during said step of comparing, transmitting third information to update a CSG Whitelist of said roaming subscriber, said mobility management node maintains a list of foreign roaming subscribers whose CSG Whitelists need to be updated, and said list includes a unique identifier for each foreign roaming subscriber, an identification for each CSG to be updated and a type of change.