Methods and apparatuses for use in a wireless communication. A method includes receiving first information providing first transmit power control (TPC) commands and second information providing a first number of slots for a transmission of a channel. The method further includes determining: a first set and a second set of transmission occasions for the channel over the first number of slots, a first power based on a first power control adjustment state, an accumulated value of the first TPC commands, a second power control adjustment state based on the first power control adjustment state and the accumulated value of the first TPC commands, and a second power based on the second power control adjustment state. The method further includes transmitting the channel with the first power in the transmission occasions of the first set and the second power in the transmission occasions of the second set.