Patent ID: 6952582
Filing Date: 2005-10-04
Classification: H04W

Abstract:
1. A mobile communication system, comprising: a mobile station; a radio network for radio transmission and reception to and from said mobile station; a home location register for managing, through a mobile services-switching center, current location information representative of a current location of said mobile station in a public telephone network; a home agent for managing, through a packet gateway, current location information representative of a current location of said mobile station in a packet data communication network; and a communication channel connecting said home location register and said home agent to each other for transmission of update contents for the current location information managed by said home location register and said home agent, wherein: each of said home location register and said home agent comprises a location information update unit responsive to the update contents for updating the current location information managed by said home location register and said home agent, respectively, and said home location register further comprises a subscriber register for remotely carrying out subscriber registration of said mobile station into said home agent through said communication channel.