APPARATUS AND METHOD FOR CONTROLING UPLINK TRANSMISSION POWER IN WIRELESS COMMUNICATION SYSTEM

摘要

PURPOSE: A device for controlling uplink transmission power in a wireless communication system and a method thereof are provided to control uplink transmission power by estimating uplink path loss values for the uplink reception points. CONSTITUTION: A main transmission and reception point transmits a first RS(Reference Signal) to a terminal. A sub-transmission and reception point transmits a second reference signal to the terminal(S420). The terminal measures an uplink path loss value in a path loss measurement section(S425). The terminal calculates uplink transmission power based on the measured uplink path loss value(S430). The terminal transmits an uplink signal to the base station through the calculated uplink transmission power(S435). [Reference numerals] (AA) Terminal; (BB) Main transmission and reception point; (CC) Sub-transmission and reception point; (DD) Muting mode; (S400) RS scheduling; (S405) Setting a non-transmission timing; (S410) RS scheduling information; (S415) First reference signal(Second reference signal = Non-transmission timing); (S420) First reference signal, second reference signal; (S425) Measuring an uplink path loss value; (S430) Calculating uplink transmission power; (S435) Uplink signal;