Patent ID: 8224319

Claim:
A mobile wireless terminal apparatus for use in a wireless communication system which accommodates a first radio base station which executes wireless communication by a first wireless connection method and a second radio base station which executes wireless communication by a second wireless connection method, and executes, via the first radio base station, signal reception for communication via the second radio base station, comprising: a reception unit which receives radio signals which are transmitted from the first radio base station and the second radio base station; a first reception signal process unit which processes a radio signal received from the first radio base station; a second reception signal process unit which processes a radio signal received from the second radio base station; and a search unit which periodically searches for the first radio base station using the first reception signal process unit activated with the second reception signal process unit being deactivated, if the reception unit has received, from the first radio base station, information which indicates that the first radio base station supports both the first and second wireless connection methods, and periodically searches for the first radio base station and the second radio base station using the first reception signal process unit activated and the second reception signal process unit activated respectively, if the reception unit has not received the information.