Patent ID: 9380135
Filing Date: 2016-06-28
CPC Classification: H04L,H04W

Claim Text:
1. A method for transmitting an uplink signal to a base station by a user equipment in a wireless communication system, the user equipment being configured with a plurality of serving cells, the method comprising: performing a rate matching for the uplink signal without two single carrier frequency division multiple access (SC-FDMA) symbols within a subframe transmitting the uplink signal, when timing advance values for the plurality of serving cells are different and the subframe transmitting the uplink signal is configured as a subframe for sounding reference signal (SRS) transmission; mapping the rate-matched uplink signal to at least one SC-FDMA symbol except for last two SC-FDMA symbols within the subframe; mapping an SRS to a second to last SC-FDMA symbol within the subframe, when the user equipment is configured to transmit the SRS in the subframe; and transmitting the mapped uplink signal and SRS to the base station in the subframe.