Patent ID: 6081715
Filing Date: 2000-06-27
Classification: H04L,H04Q,H04W

Abstract:
A method of tracking the location of a mobile having a home network, said method comprising the steps of:generating a registration message;performing the following steps if said mobile is located in its home network;(a) forwarding registration information to a home location server for said mobile; and(b) storing a mobile-to-cluster mapping for said mobile in said home location server; andperforming the following steps if said mobile is not located in its home network:(a) forwarding said registration information to a visitor location server tracking said mobile;(b) storing a mobile-to-cluster mapping for said mobile in said visitor location server if said registration message indicates a cluster change;(c) forwarding said registration information to said home location server for said mobile if said registration message indicates that said mobile is powering up or powering down; and(d) storing in said home location server network identifier and visitor location server identifier corresponding to the location of said calling mobile.