MOBILE STATION, BASE STATION, METHOD OF REPORTING DATA VOLUME OF UPLINK DATA AND UPLINK DATA RESOURCE ALLOCATION METHOD

摘要

This mobile station communicates using a component carrier subordinate to a plurality of base stations, and comprises: a receiving unit which, from a base station, receives setting information relating to a method of reporting the data volume of uplink data; a buffer status management unit which manages the data volume of uplink data stored in a transmission buffer; a transmission control unit which, in accordance with the setting information relating to the method of reporting the data volume of the uplink data, selects a base station to which to transmit the data volume of the uplink data; and a transmission unit which reports the data volume of the uplink data to the selected base station.