We propose Dynamic Circle Location Register (DCLR) scheme where each Visiting Location Register (VLR) has a given fixed circle registration area around itself and has IDs of other VLRs in this circle area. Whenever a terminal moves to another Registration Area (RA), system computes whether the terminal is located in the current DCLR area and sends the recent location information of terminal to the old or new DCLR according to computing results. Also, according to change DCLR circle dynamically, we can track terminal location by querying DCLR of the current terminal when a call originates. The our scheme solves the HLR bottleneck due to the terminal's frequent RA crossings and distributes the registration traffic to each of the Local Signaling Transfer Point (LSTP) area in Wireless Communications (WC).
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