Patent ID: 7720478
Filing Date: 2010-05-18
Classification: H04W,Y02D

Abstract:
1. A control device of a communication system including a first base station and a second base station, wherein a separate mobile terminal is in communication with the first base station using a first transmission method, and able to communicate with the second base station using a second transmission method, the control device comprising: a position measuring unit configured to measure a geographic position of the mobile terminal; a judgment unit configured to determine whether or not to switch the communication of the mobile terminal from the first base station to the second base station according to a combination of a position of the mobile terminal measured by the position measuring unit, a position change of the mobile terminal, and at least contents of communications; and a switching unit configured to switch the communication of the mobile terminal from the first base station to the second base station according to the determination of the judgment unit, wherein a communication protocol upper layer of a physical layer of the first base station is at least partially the same as a communication protocol upper layer of a physical layer of the second base station.