Patent ID: 7640027

Claim:
A mobile communication terminal capable of position determination by using base station signal information received from a base station, comprising: a base station information recorder recording detailed base station information corresponding to at least one base station, wherein the detailed base station information comprises base station identification information, height information of the base station antenna and range information of an angle for transmitting and receiving a signal; a base station information receiving unit receiving the detailed base station information with respect to at least one base station existing in an extended area including the reference base station and the peripheral base station, from a predetermined server; a base station signal receiver receiving base station signal information from a reference base station at a predetermined interval; a base station information reader reading the detailed base station information with respect to a base station corresponding to the received base station signal information, from the base station information recorder; and a position determiner determining a position of the mobile communication terminal by using the received base station signal information and the read detailed base station information, wherein the extended area is any one of an area in a predetermined range from the reference base station and the peripheral base station, an area in which the mobile communication terminal is expected to move to in a predetermined time, and an area in a previously established range according to a service scenario, and wherein, the position determiner determines the position of the mobile terminal when the mobile communication terminal is idle.