METHOD AND DEVICE FOR TRANSMITTING UPLINK CONTROL INFORMATION

摘要

The present invention relates to a method and a device for transmitting uplink control information in a wireless communication system supporting carrier merging of a plurality of cells comprising a first cell and a second cell, the method comprising the steps of: receiving a first uplink grant from a base station by means of a random access response; the first uplink grant scheduling first physical uplink shared channel (PUSCH) transmission on a first cell and receiving a second uplink grant from the base station by means of a physical downlink control channel (PDCCH); and the second uplink grant scheduling a second PUSCH transmission on a second cell and, if the first PUSCH transmission and the second PUSCH transmission are configured in the same subframe, transmitting uplink control information to the base station on the second cell by means of a second PUSCH, wherein the first PUSCH transmission scheduled on the first cell is dropped.