COMMUNICATION SYSTEM, MOBILE STATION DEVICE, AND COMMUNICATION METHOD

摘要

A mobile station device is provided with: a communication unit for simultaneously executing a first communication with a first base station device performed over a first frequency band, and a second communication with a second base station that differs from the first base station apparatus over a second frequency band that differs from the first frequency band; and a control unit for adjusting a first and second transmission power on the basis of the first transmission power, which is used for the first communication, and the second transmission power, which is used for the second communication.