Patent ID: 7941140

Claim:
A method for authorizing a mobile device, the method comprising: storing authorization static location information for an authorization geographical area, the authorization static location information comprising spatial coordinates and being used for authorizing the mobile device; receiving a registration request for the mobile device for requesting access to a network, the registration request including a first cell identifier for a geographical area; determining static location information for the geographical area based on a mapping from the first cell identifier, wherein the determined static location information comprises spatial coordinates that do not change when a second cell identifier is used instead of the first cell identifier for the geographical area, the second cell identifier also being mapped to the determined static location information; authorizing the registration request using the determined static location information for the geographical area and the stored authorization static location information for the mobile device, wherein the mobile device is authorized when either the first or the second cell identifier is included in the registration request; and sending a response to the registration request based on the authorization, the response indicating whether access to the network is authorized for the mobile device.