Patent ID: 6745023
Filing Date: 2004-06-01
Classification: H04L,H04M,H04W

Abstract:
A method for operating a cellular mobile radio network, the method which comprises:allocating, to selected mobile stations, specific authorizations for a radio operation in zones to be kept substantially free of mobile radio traffic; storing the specific authorizations in a local access authority register of a mobile radio network; verifying a presence of one of the specific authorizations for a mobile station registering with a base station assigned to one of the zones to be kept substantially free of mobile radio traffic; selectively allowing and blocking an operation of the mobile station registering with the base station, depending on a result of the verifying step; transmitting, with the base station, a call number of the mobile station to the local access authority register when the mobile station registers with the base station; comparing, in the local access authority register, the call number with a list of stored call numbers of the selected mobile stations authorized to operate in a radio cell associated with the base station; selectively, registering the mobile station if a match is found in the comparing step and, if no match is found in the comparing step, transmitting an appropriate message to a mobile switching center; and blocking, with the mobile switching center, the mobile station registering with the base station for one of a limited time and a limited area.