A User Equipment (UE) including: a plurality of Channel Quality Indicator (CQI) index tables, at least one of which includes one or more CQI index corresponding to a modulation of higher order that is not supported by the other CQI index table; a receiver configured to receive CQI index table indication information from a base station, the CQI index table indication information indicating which CQI index table to use for CQI calculation; and a processor configured to calculate a CQI index by using the CQI index table indicated by the CQI index table indication information.