METHOD AND APPARATUS FOR CONFIGURING POWER HEADROOM INFORMATION IN MOBILE COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION

摘要

A method and apparatus for configuring Power Headroom Report (PHR) of a User Equipment (UE) efficiently in a mobile communication system supporting carrier aggregation are provided. The method includes generating a header including a LCID for identifying extended PHR and L indicating a length of the extended PHR, and inserting Power Headrooms (PHs) of multiple activated carriers into the extended PHR of one of the carriers.