Methods, apparatus and systems for determining a transmission power for an uplink transmission are disclosed. In one embodiment, a method performed by a wireless communication device is disclosed. The method comprises: determining or applying a transmission power for an uplink transmission of the wireless communication device based at least partially on a time threshold associated with the uplink transmission, wherein the time threshold indicates a latest time the transmission power should be determined; and performing the uplink transmission based on the transmission power to a wireless communication node.