Patent ID: 9736714
Date: 2017-08-15
CPC Classifications: H04W

Claim:
1. A method of power headroom reporting, wherein the method comprises: determining Power Headroom (PH) information of each of configured and active cells at a current instant if PH information is required to be reported, wherein the configured and active cells are aggregated with different Time Division Duplex (TDD) Uplink/Downlink (UL/DL) configurations for a user equipment (UE), and the configured and active cells comprise a cell which is configured with a downlink subframe at the current instant; and reporting the determined PH information which comprise the PH information of the configured and active cell which is configured with a downlink subframe at the current instant; wherein determining PH information of each of configured and active cells at a current instant comprises: for the cell which is configured with a downlink subframe at the current instant, virtualizing the downlink subframe by calculating the PH information of the cell according to a virtual Physical Uplink Control Channel (PUCCH) transmission format.