Lee, Hong, Degerman, Kang & Walmey
Method and apparatus for channel state information feedback in wireless communication system
The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for channel state information feedback. A method for a user equipment reporting channel state information in the wireless communication system, according to one embodiment of the present invention, comprises: receiving information on a CSI-reference signal (CSI-RS)-related parameter; receiving the CSI-RS on the basis of the CSI-RS-related parameter; and reporting to the base station CSI feedback information generated on the basis of the CSI-RS, wherein the CSI-RS-related parameter can be applied as a CSI-RS port or a port group unit, wherein an independent CSI-RS transmission power ratio indication parameter can be provided for each subframe set.
LG ELECTRONICS INC.
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Jonghyun Kijun Seungmin Hanbyul Byounghoon
Park Kim Lee Seo Kim