BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD

摘要

A mobile station device that includes a receiver configured to receive control information, on a physical downlink control channel from a base station device, using one downlink control information format among a number of downlink control information formats, wherein the one downlink control information format is used for downlink scheduling and a random access order, in a case that the one downlink control information format is used for the downlink scheduling, the control information indicates a downlink resource assignment, and in a case that the one downlink control information format is used for the random access order, a preset value is set for a field of the downlink resource assignment.