Patent ID: 6731621
Filing Date: 2004-05-04
Classification: H04L,H04W

Abstract:
A mobile communication system comprising:a plurality of devices each configuring a radio cell, and transmitting/receiving signals to/from mobile terminals; a mobile switching center connected to a respective one of said plurality of devices; a location register connected to said mobile switching center for managing location information of the respective mobile terminals; and a plurality of packet gateways directly connected to an IP network which is separate from said mobile communication system, wherein each of said devices is connected to one of said plurality of packet gateways, wherein said location register is connected to the one packet gateway which is responsive to a mobile terminal whose location information is being managed by said location register, and wherein each packet gateway, the device connected thereto, and the mobile terminal which transmits/receives a signal to/from that device form an IP subnetwork.