MOBILE STATION, BASE STATION DEVICE, WIRELESS COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD

摘要

When a signal amount to transmit in a buffer of a mobile station is null, the mobile station notifies a base station device of a buffer status report to expressly indicate that the signal amount that the mobile station must transmit is null. As a result, it is possible to efficiently allocate a wireless resource of a shared channel in an uplink, and it is also possible to increase an uplink capacity.