Provided is a base station which uses a pilot beacon to prompt a terminal to perform handoff from a macrocell and is capable of avoiding interference with the macrocell. A base station (FAP) of a mobile communication system has a transmission unit (122) for transmitting a pilot beacon to allow a mobile terminal to detect the base station, a registration unit (141) for registering information on a mobile terminal to use the base station or information on a user corresponding to the mobile terminal, and a control unit (110) for controlling a transmission unit (122) to stop transmission of the pilot beacon if a mobile terminal corresponding to the information registered with the registration unit (141) performs handoff to the base station.