Patent ID: 7336628

Claim:
A signaling method for transmitting packet data to a target AT in a mobile communication system including a data location register (DLR), a plurality of access systems, and a plurality of access terminals (ATs) for communicating by radio with the access systems, the method comprising the steps of: upon receipt of the packet data, transmitting a Paging Request message to the DLR by the access system; upon receipt of the Paging Request message, searching by the DLR a location of the target AT among stored location information of the plurality of ATs; transmitting by the DLR a Paging Response message to a target access system where the target AT is located, and transmitting a Paging Command message to the target access system; and upon receipt of the Paging Command message, transmitting by the target access system a Paging message to the target AT; upon receipt of a Connection Request message for the packet data from the target AT, transmitting the packet data to the target AT by the target access system.