Adjusting transmit power in a wireless communication system

1 A method of controlling transmitted power in a wireless communication system (101), the method comprising: determining velocity (304, 404) of a wireless communication device (104) for a device located in a wireless network infrastructure ; determining an integration interval (406) to be used in measuring power level at which a signal communication system (101) based on the velocity of wireless communication device (104) is received, wherein the integration interval is determined based on the velocity of wireless communication device, so that the integration interval is decreased if the wireless communication device (104) moves quickly and the integration interval is increased if the wireless communication device (104) moves slowly; measuring the power level (408) of the signal of wireless communication system (101) received through a wireless channel between the wireless communication device (104) and the device in the wireless network infrastructure using the integration interval ; It determining adjustments (306, 410) to transmit power at which a signal of the wireless communication system (101) is transmitted according to the determined speed wireless communication device (104); and providing (412) level adjustments transmission of received signals to a transmitter power.