| 摘要 |
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for performing a HARQ process in a carrier aggregation, the method comprising: instructing, by a Medium Access Control (MAC) entity, a physical layer to perform a transmission; checking, by the MAC entity, whether the transmission in the physical layer is performed or not; and keeping, by the MAC entity, a value of CURRENT_TX_NB of a HARQ process for the transmission when the transmission isn't performed in the physical layer. |
