| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a system and method for coupling between a mobile communication system and a wireless LAN for providing handoff between the mobile communication system and the wireless LAN. <P>SOLUTION: This system includes: a packet data service node for providing a packet data service between an IP network and a mobile station, when the mobile station accesses the mobile communication system; a packet control function for controlling to provide the packet data service between a correspondent node connected to the IP network and the mobile station, when the mobile station previously connected to a cellular network is connected to an access point, and controlling to provide the packet data service between the correspondent node connected to the IP network and the mobile station, when the mobile station previously connected to the access point is connected to a base station system; and an interworking server, connected between the access point of the wireless LAN system and the packet control function of the mobile communication system, for coupling the packet control function and the access point when the packet data service is provided to the mobile station. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
