Birch, Stewart, Kolasch & Birch, LLP
Method for reporting channel state information in wireless access system supporting unlicensed bands, and apparatus supporting same
The present invention relates to a wireless access system that supports unlicensed bands, and relates to a method for reporting channel state information when a partial subframe (pSF) is formed. A method for user equipment (UE) reporting channel state information (CSI) in a wireless access system that supports unlicensed bands according to an embodiment of the present invention may comprise the steps of: receiving a downlink burst configured to an unlicensed band cell (U cell) supporting unlicensed bands as far as a certain subframe; measuring CSI with respect to the downlink burst; and reporting the measured CSI to a base station. In this regard, if a pSF is included in the downlink burst, the UE does not consider the pSF to be a valid downlink subframe for CSI measurement, and the pSF may be formed to have a smaller size than a general subframe.
LG ELECTRONICS INC.
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Kijun Hanbyul Joonkui Hyangsun Jonghyun Seungmin Seonwook Suckchel
Kim Seo Ahn You Park Lee Kim Yang