Patent ID: 9270430
Filing Date: 2016-02-23
CPC Classification: H04L,H04W

Claim Text:
1. A method for performing Power Headroom Reporting (PHR) in a user equipment (UE) of a wireless communication system, the wireless communication system supporting Carrier Aggregation (CA) such that the UE is able to perform transmission through multiple carriers, the method comprising: configuring a plurality of uplink carriers; and generating a plurality of Power Headroom (PH) values, each corresponding to one of the plurality of uplink carriers; wherein the number of the plurality of PH values is equal to the number of the plurality of uplink carriers; and wherein all of the plurality of PH values are carried by a PHR Medium Access Control (MAC) Control Element and the PHR MAC Control Element has an identification field in the PHR MAC Control Element for identifying which uplink carrier each of the carried PH values is corresponding to.