CALL ACCEPTANCE CONTROL METHOD FOR CDMA MOBILE RADIO COMMUNICATION SYSTEM AND MOBILE STATION DEVICE

摘要

A call acceptance control method for a CDMA mobile radio communication system and a mobile station device which enable prevention of deterioration in radio communication quality of a communicating mobile station even under a dense traffic, sufficient suppression of the possibility of deteriorating the communication quality of a mobile station communicating with a peripheral base station, and improvement in efficiency without increasing a control signal traffic. A radio base station device measures the quantity of up-link interference and informs a mobile station of this quantity. The mobile station obtains the quantity of up-link interference informed of by the base station, and calculates a required receiving level at the base station anticipated in the case where the mobile station is accepted by the connected base station, on the basis of the obtained quantity of up-link interference. If it is judged that predetermined communication quality cannot be realized on the basis of the calculated required receiving level and the quantity of up-link interference, the call of the mobile station is determined to be unacceptable.