Patent ID: 6975870

Claim:
A mobile communication terminal selecting at least one radio base station from a plurality of radio base stations arranged on the ground, the mobile terminal comprising: a radio communication function for establishing radio communications with the selected base station; a positioning function for measuring a position of the mobile terminal based on reference location data from a plurality of location reference stations which are at least one of satellite-based and ground-based, the terminal detecting reception condition of radio waves from the radio base station and a distance to the radio base station, and selecting the radio base station to be radio-communicated with based on the detected results; means for detecting whether the reception condition of radio waves from a radio base station is satisfactory; means for recognizing a moving direction of the mobile terminal by means of the positioning function upon the reception condition of the radio waves from the selected radio base station becoming impaired, and searching at least one radio station which exists in the moving direction; and means for making an inquiry to said at least one searched radio base station in the order of being close to the mobile terminal whether the reception condition of the radio waves is satisfactory, and selecting a radio base station in the satisfactory reception condition to be communicated with.