Patent ID: 9629103
Date: 2017-04-18
CPC Classifications: H04W

Claim:
1. A method for controlling an uplink transmission power in a wireless communication system, the method comprising: receiving, by a terminal, information indicating which downlink carrier is applied as a pathloss reference downlink carrier for measuring a pathloss associated with uplink transmission among a plurality of downlink carriers; measuring, by a terminal, the pathloss of the path loss reference downlink carrier; receiving, by a terminal, a transmit power control (TPC) command; determining, by a terminal, the uplink transmission power based on the TPC command and the measured pathloss; and transmitting, by a terminal, data using the determined uplink transmission power, wherein the information comprises one of first information indicating a predefined downlink carrier and second information indicating a downlink carrier linked to an uplink carrier.