Patent ID: 8249091
Filing Date: 2012-08-21
Classification: H04B,H04W

Abstract:
1. A method for reporting a Power Headroom (PH) of a User Equipment (UE) in a wireless communication system, the method comprising the steps of: calculating the PH for a Power Headroom Report (PHR)-triggered cell, when a predetermined event occurs; generating a PHR comprising the PH and information identifying the PHR-triggered cell; and transmitting the PHR to a network, wherein calculating the PH comprises: awaiting allocation of an uplink transmission resource when the predetermined event occurs; determining whether the allocated uplink resource is for the PHR-triggered cell; and calculating the PH of the PHR-triggered cell in accordance with the transmission power required over the PHR-triggered cell, when the allocated uplink resource is for the PHR-triggered cell.