A wireless communication system includes a serving base station, a mobile station, and peripheral base stations. The mobile station communicates with the serving base station. The serving base station includes a sending unit. The sending unit in the serving base station sends, to the mobile station, a signal indicating that communication is going to be performed in cooperation with the peripheral base stations. The mobile station includes a sending unit. The sending unit in the mobile station broadcasts a predetermined request signal to the peripheral base stations in accordance with the reception of the signal. The peripheral base stations, which have received the predetermined request signal, each include a notifying unit. The notifying units individually notify the serving base station of selection information that is information on the peripheral base station that is going to communicate with the mobile station in cooperation with the serving base station.