APPARATUS AND METHOD FOR PERFORMING POWER HEADROOM REPORT

摘要

The present invention provides an apparatus and method for performing a Power Headroom Report (PHR) in a wireless communication system. A mobile station includes a trigger prohibition unit for measuring a primary prohibition timer and a secondary prohibition timer used to prohibit the trigger of the PHR and for generating or prohibiting at least one of the trigger of a first PHR based on the amount of a change in Path Loss and the trigger of a second PHR based on the amount of a change in Power Backoff based on the state of the primary prohibition timer or the secondary prohibition timer and an uplink transmission unit for transmitting a Medium Access Control message, including the PHR, to a base station based on the trigger of the first PHR or the trigger of the second PHR.