Patent ID: 8155653
Filing Date: 2012-04-10
Classification: H04W

Abstract:
1. A mobile radio terminal comprising: a first communicating unit configured to communicate with a base station belonging to a first mobile communication network including a circuit switching network; a second communicating unit configured to communicate with a base station belonging to a second mobile communication network connected to the first mobile communication network; a storage unit configured to store transfer information indicating whether a base station to which the mobile radio terminal is connected is changed from a base station belonging to the second mobile communication network to a base station belonging to the first mobile communication network; a determining unit configured to determine, by using the transfer information stored by the storage unit, whether, after the base station to which the mobile radio terminal is connected is changed from a base station belonging to the second mobile communication network to a base station belonging to the first mobile communication network, the mobile radio terminal is on standby in the base station belonging to the first mobile communication network; and a search control unit configured to control the second communicating unit so as to search for a base station belonging to the second mobile communication network, when the determining unit determines that the mobile radio terminal is on standby in a base station belonging to the first mobile communication network after the base station to which the mobile radio terminal is connected is changed from a base station belonging to the second mobile communication network to the base station belonging to the first mobile communication network.