Patent ID: 9357434
Filing Date: 2016-05-31
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A method for reporting channel status information (CSI) in a wireless access system supporting multicarrier aggregation, the method performed by a user equipment (UE) and comprising: receiving a high layer signal configuring each of reporting modes for each of multiple component carriers (CCs) configured to the UE; calculating first CSI for a first CC of the multiple CCs based on the reporting modes; calculating second CSI for a second CC of the multiple CCs based on the reporting modes; and reporting the first CSI only according to carrier priorities of the first CC and the second CC when a collision of a report of the first CSI with a report of the second CSI is occurred in a same subframe, wherein each of the first CSI and the second CSI includes at least a channel quality information (CQI), a precoding matrix index (PMI), or a rank index (RI), and wherein the CQI and the PMI have been calculated based on a last reported rank indicator (RI).