Patent ID: 7808943
Filing Date: 2010-10-05
Classification: H04W

Abstract:
1. A mobile body communication system, comprising: a subnet with a plurality of base station devices, wherein one of the base station devices is configured to receive a position registration request signal transmitted from a mobile station device and to communicate with a network, and the mobile station device is configured to communicate with a communication device via one of the base station devices and said network; and simultaneous call means for transmitting a call signal to a broadcast address corresponding to said subnet when calling the mobile station device, and thereby transmits the signal to the plurality of base station devices; the system further comprises: storing means for storing a mobile station device specifying number of said mobile station device and an address of the subnet, and that the mobile station device specifying number and said subnet being in association with each other; and position registering means operating to store said mobile station device specifying number and the address of said subnet being in association therewith on said storing means, wherein said simultaneous call means transmits a call signal to the broadcast address corresponding to said address of said subnet stored being in association with said mobile station device specifying number when calling said mobile station device of said mobile station device specifying number.