Patent ID: 10560901

Abstract:
A method and apparatus is provided for receiving a first higher layer configuration message including information of a mapping between a set of sounding reference signal indications and a set of power control parameters, when the user equipment is configured with more than one sounding reference signal resource for uplink data channel transmission. A second higher layer configuration message including a configured grant uplink transmission configuration is received, wherein the configured grant uplink transmission configuration does not include a sounding reference signal indication. An activation message is received in downlink control information for the configured grant uplink transmission configuration. In response to receiving uplink grant downlink control information including is a sounding reference signal resource indication field, power control parameters are determined for the configured grant uplink transmission based on the sounding reference signal resource indication, wherein the user equipment determines the power control parameters for the sounding reference signal resource indication based on the mapping indicated in the first higher layer configuration message. In response to being configured with only a single sounding reference signal resource for uplink data channel transmission or if a sounding reference signal indication is not present in the uplink grant downlink control information, the power control parameters for the configured grant uplink transmission are determined based on a direct semi-static configuration. The configured grant uplink transmission is transmitted using the determined power control parameters.