Patent ID: 6018573
Filing Date: 2000-01-25
Classification: H04Q,H04W

Abstract:
A mobility management system in a personal communication system having a first home database for managing location registration information of a subscriber and said subscriber's personal information so as to control the connection of a call in by tracking the location of said subscriber corresponding to said location registration information which comprises:a plurality of communication networks for receiving a location registration update request from a subscriber terminal unit and sending said location registration update request to said first home database,wherein said location registration update request represents a change of said location registration information due to power-on of said subscriber terminal unit used by said subscriber, traveling of said subscriber terminal unit, or the use of another terminal unit by said subscriber,wherein said location registration update request comprises:(a) location registered network/means information comprising location registered communication network information which represents one of said plurality of communication networks with which said subscriber terminal is registered and terminal type information of said subscriber terminal unit;(b) call in address information comprising a telephone number used for providing a service to said subscriber terminal unit in a relevant local network;(c) order designation information for designating the priority of reference information that the first home database refers to so as to track the location of said subscriber terminal unit; and(d) tracking control information for designating a tracking method performed based on said location registered network/means information and said call in address information; andwherein said first home database comprises:a mobility managing portion for managing a plurality of tracking information blocks and time information as mobility management information, for updating said priority data and internal information of each of said tracking information blocks based on said location registered network/means information, said call in address information, said order designation information, and said tracking control information included in the received location registration update request, for updating said mobility management information upon the reception of the mobility management information change request including information for changing said mobility management information generated corresponding to the schedule of said subscriber, said mobility management information change request being input by said subscriber and sent from said subscriber terminal unit through said communication networks, and for controlling the call in by tracking the location of said subscriber terminal unit corresponding to the information of said tracking information blocks upon occurrence of a call to said subscriber, each of said tracking information blocks including said location registered network/means information, said call in address information, said order designation information, and said tracking control information for each subscriber terminal unit, each of said tracking information blocks having the priority data referenced when the location of said subscriber terminal unit is tracked, and the time information representing a time zone in which said subscriber uses said subscriber terminal unit; anda call out controlling portion for controlling the connection of a call in corresponding to said mobility management information.