Patent ID: 7613143
Filing Date: 2009-11-03
Classification: H04L,H04W

Abstract:
1. A network control system for controlling connection of a mobile terminal to a network that accommodates a plurality of wireless systems, the network control system including a prescribed node provided on the network, the node comprising: signal transmitting/receiving means that transmits and receives a control signal defined by each of the wireless systems; protocol converting means that converts the control signal to a common protocol independent of each of the wireless systems; entity communication controlling means that communicates with a plurality of functional entities provided on the network, using the common protocol, to implement network control using the common protocol; location registration ID managing means that manages a common location registration ID allocated in common to service areas defined by wireless access points of the multiple types of wireless systems; broadcasting means that causes the wireless access points to broadcast the common location registration ID; and location registration means that carries out location registration using the common location registration ID upon receiving a location registration request from the mobile terminal currently located in one of the service areas.