Patent ID: 7346033

Claim:
A method for allocating a Unicast Access Terminal Identifier (UATI) to a given Access Terminal (AT) in a mobile communication system including a Base Station (BS) and a Data Location Register (DLR) connected to the BS, for managing a plurality of UATIs for the ATs, the method comprising the steps of: upon receipt of a UATI Request message from the AT by the BS, said UATI Request message including an RATI (Random Access Terminal Identifier) generated at random therefrom, transmitting a UATI Allocate Request message including a Paging Parameter to the DLR; upon receipt of the UATI Allocate Request message by the DLR, recognizing the RATI, allocating one of the remaining UATIs to the AT for opening a new session and transmitting a UATI Allocate Response message including the allocated UATI to the BS; and upon receipt of the UATI Allocate Response message by the BS, transmitting a UATI Allocate message including the allocated UATI to the AT.