BASE STATION DEVICE, MOBILE STATION DEVICE, RADIO COMMUNICATION METHOD, RADIO COMMUNICATION SYSTEM, AND INTEGRATED CIRCUIT

摘要

PROBLEM TO BE SOLVED: To enable a mobile station device to efficiently perform handover procedures.SOLUTION: A base station device transmits to a mobile station device a handover message including information concerning a resource of an enhanced common search space in a target primary cell. The mobile station device monitors an enhanced physical downlink channel using the enhanced common search space on the basis of the transmitted information.