Subscribers authentication plays a significant role in making sure that only legitimate mobile stations are connected to the network and are availing the services being offered.
Subscriber Identity Module (SIM) offers all the necessary information that is needed to perform the authentication related processes at the Mobile Station.
Home Location Register (HLR)/Authentication Centre (AuC) holds the necessary information to facilitate subscriber authentication in the network.
Please watch for detailed authentication mechanism details of 2G Mobile Networks:
