Method for determining the transmission of a sounding reference signal in a wireless communication system, and terminal therefor

摘要

The invention relates to a method for determining the transmission of a sounding reference signal (SRS) by a terminal in a wireless communication system, which can include a step of determining whether a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH) in a first timing advance (TA) group, or an SRS in a second TA group in the same subframe, is to be transmitted when the transmission timing of the PUCCH or the PUSCH in a cell of the first TA group and the transmission timing of the SRS in a cell of the second TA group overlap each other in the same subframe.

主权项

1. A method of controlling a sounding reference symbol (SRS) transmission by a user equipment (UE) in a wireless communication system supporting a plurality of component carriers, the method comprising:
when a sounding reference symbol (SRS) transmission on a first timing advance group is scheduled in a subframe, and a physical uplink control channel (PUCCH) transmission and a physical uplink shared channel (PUSCH) transmission on a second timing advance group are scheduled in the subframe, transmitting the PUCCH and PUSCH in the subframe of the second timing advance group; and dropping the SRS in the subframe of the first timing advance group when the SRS transmission in the subframe of the first timing advance group overlaps the PUCCH transmission and PUSCH transmission on the second timing advance group in a time domain and a total transmission power of the UE exceeds a maximum transmission power configured for the UE in the overlapped portion.