GSM network consists of several functional entities.Those functions and interfaces are defined. The GSM network can be divided into following network components.
Mobile Station ( MS )
Base Transceiver Station ( BTS )
Base Station Controller ( BSC )
Mobile Switching Center ( MSC )
Authentication Center ( AUC )
Home Location Registers ( HLR )
Visitor Location Registers ( VLR )
Equipment identity Register ( EIR )
1) Mobile...