Patent ID: 7272387

Claim:
An island type mobile communication arrangement, comprising: a plurality of BTSs, each corresponding to and set within a cell, and used to provide a mobile communication service to at least one mobile communication device in the cell, a plurality of the cells forming at least one location area including at least one island cell, the at least one island cell having an island BTS and corresponding to an island location area which is different from the location area; an island BSC connected to the island BTS and used to control the operation whereof; an island MSC connected to the island BSC and used to control the operation whereof, at least one mobile communication device asks the island MSC for location updating while entering the at least one island cell as the mobile communication device moves from a cell corresponding to the location area into the island cell corresponding to the island location area which is different from the location area; and an island VLR corresponding to and connected to the island MSC, when the at least one mobile communication device finishes location updating, the island VLR records a MSISDN of each mobile communication device; wherein the island MSC provides a special service to the at least one mobile communication device in the at least one island cell by reading the MSISDNs recorded in the island VLR.