According to an embodiment of the present invention a UE may receive downlink control information (DCI), perform data reception and determine HARQ-ACK based on a result of the data reception, wherein the HARQ-ACK is reported through a physical uplink control channel (PUCCH) based on either: a first reporting type in which the HARQ-ACK reporting is performed for NACK only, or a second reporting type in which the HARQ-ACK reporting is performed for ACK/NACK both, and the UE may select one of the first reporting type and the second reporting type and a resource of the PUCCH based on the DCI.