A mobile station apparatus comprising: a reception unit configured to receive, from a base station apparatus, a measurement configuration specifying measurement using a reference signal; and a control unit; wherein the measurement configuration includes a measurement object configuration indicating at least a frequency serving as an object to be measured and one or more groups of channel state information reference signal measurement configurations for one or more channel state information reference signals to be measured, a group identifier for each of the groups, and a report configuration, the measurement configuration further includes a first measurement offset for each cell and a second measurement offset for each of the groups, each of the groups is associated to each cell, the report configuration includes a measurement event that specifies a condition for reporting the measurement result, and the control unit is configured to perform a measurement for each of the one or more channel state information reference signals, to add the second measurement offset to the measurement result of the one or more channel state information reference signals without adding the first measurement offset for the cell, to judge whether the condition is satisfied, the judgement being performed in a case where the channel state information reference signal measurement configurations indicate the cell to transmit the one or more channel state information reference signals, and to transmit a measurement report that includes at least one of the measurement results of the one or more channel state information reference signals, that satisfy the condition, identifiers for the channel state information reference signal measurement configurations, and a measurement identifier for the measurement for the measurement object configuration. a reception unit configured to receive, from a base station apparatus, a measurement configuration specifying measurement using a reference signal; and a control unit; wherein the measurement configuration includes a measurement object configuration indicating at least a frequency serving as an object to be measured and one or more groups of channel state information reference signal measurement configurations for one or more channel state information reference signals to be measured, a group identifier for each of the groups, and a report configuration, the measurement configuration further includes a first measurement offset for each cell and a second measurement offset for each of the groups, each of the groups is associated to each cell, the report configuration includes a measurement event that specifies a condition for reporting the measurement result, and the control unit is configured to perform a measurement for each of the one or more channel state information reference signals, to add the second measurement offset to the measurement result of the one or more channel state information reference signals without adding the first measurement offset for the cell, to judge whether the condition is satisfied, the judgement being performed in a case where the channel state information reference signal measurement configurations indicate the cell to transmit the one or more channel state information reference signals, and to perform a measurement for each of the one or more channel state information reference signals, to add the second measurement offset to the measurement result of the one or more channel state information reference signals without adding the first measurement offset for the cell, to judge whether the condition is satisfied, the judgement being performed in a case where the channel state information reference signal measurement configurations indicate the cell to transmit the one or more channel state information reference signals, and to transmit a measurement report that includes at least one of the measurement results of the one or more channel state information reference signals, that satisfy the condition, identifiers for the channel state information reference signal measurement configurations, and a measurement identifier for the measurement for the measurement object configuration.