Patent attributes
A power control method includes determining priorities of uplink transmission and sidelink transmission, where the uplink transmission is used to transmit uplink information by a first terminal device to a network device, and the sidelink transmission is used to transmit sidelink information by the first terminal device to a second terminal device; determining target information that is in the sidelink information and that overlaps with the uplink information in time domain in a scheduling time unit; determining transmit powers of the uplink information and the target information based on the target information and the priorities of the uplink transmission and the sidelink transmission; and sending the uplink information based on the transmit power of the uplink information, or sending the target information based on the transmit power of the target information.