CPC H04B 17/309 (2015.01) [H04W 24/08 (2013.01); H04W 88/02 (2013.01)] | 20 Claims |
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, a radio resource control (RRC) message including information on mapping between at least one sounding reference signal resource indicator (SRI) physical uplink shared channel (PUSCH) power control identifier (ID) and at least one PUSCH pathloss reference reference signal (RS) ID;
receiving, from the base station, a medium access control (MAC) control element (CE) for updating the mapping between the at least one SRI PUSCH power control ID and the at least one PUSCH pathloss reference RS ID;
receiving, from the base station, downlink control information (DCI) including one of the at least one SRI PUSCH power control ID; and
identifying a PUSCH pathloss based on the DCI,
wherein the MAC CE includes first information on one of the at least one PUSCH pathloss reference RS ID, second information on one of the at least one SRI PUSCH power control ID mapped to the one of the at least one PUSCH pathloss reference RS ID, and third information indicating that an additional SRI PUSCH power control ID mapped to the one of the at least one PUSCH pathloss reference RS ID exists.
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