Patent ID: 8086230

Claim:
A mobile station comprising: a measurement rule designation command receiver unit configured to receive, from a radio base station, a measurement rule designation command which designates addition or deletion of a measurement rule; a measurement object designation command receiver unit configured to receive, from the radio base station, a measurement object designation command, which designates addition or deletion of a measurement object, independently from the measurement rule designation command; a mapping designation command receiver unit configured to receive, from the radio base station, a mapping designation command which designates associating of the measurement object with the measurement rule; a storage unit configured to store the measurement rule and the measurement object in association with each other, according to the mapping designation command; a measurement unit configured to measure a communication quality of an inter-frequency cell of a frequency defined by the measurement object stored in the storage unit; and a measurement report transmitter unit configured to transmit, to the radio base station, a measurement report, when determining that a determination condition defined by the measurement rule associated with the measurement object is satisfied, on the basis of a measurement result of the communication quality.