There is provided a UE for configured to operate in a wireless system. The UE comprises: at least one transceiver; at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising: determining SL transmit power for SL signal based on MPR value; determining UL transmit power for UL signal based on the MPR value; transmitting the SL signal based on the SL transmit power; and transmitting the UL signal based on the UL transmit power.