| 摘要 |
PURPOSE:To manage the state of a mobile station appropriately including communication with the mobile station by always updating the storage content of a ground station on which the mobile station is registered by the detection and information of the position of the mobile station. CONSTITUTION:An individual mobile station 16 is registered in advance on the ground station (area station)32. A registration station 32 is informed from the ground station (road station)10 detecting the mobile station 16 registered on the station about the present location of the mobile station, and holds the data of the present location, and the data of the present location is always updated in real time. At the time of connecting incoming to the mobile station 16, the present location is found by making access to the registration station on which the mobile station 16 is registered, and incoming connection from the road station 10 in the periphery to the mobile station 16 is performed, In such a way, it is possible to perform the management of the mobile station including the communication with the mobile station appropriately as long as a targeted mobile station is active. |
