Method and apparatus for transmitting channel state information in wireless communication system

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United States of America Patent

PATENT NO 10158411
APP PUB NO 20180026697A1
SERIAL NO

15721068

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Abstract

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The present invention relates to a wireless communication system. According to one embodiment of the present invention, a method for transmitting, by a terminal, channel state information (CSI) in a wireless communication system comprises the steps of: subsampling a code book for four antenna ports; and feeding back the CSI on the basis of the subsampled code book, wherein the CSI includes a rank indicator (RI) reported together with a precoding type indicator (PTI), and if the RI is greater than 2, the PTI is set to one.

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Patent Owner(s)

Patent OwnerAddress
LG ELECTRONICS INC [128 YEOUI-DAERO YEONGDEUNGPO-GU SEOUL 150-721

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Hyungtae Seoul, KR 490 4291
Kim, Kijun Seoul, KR 1305 19878
Lee, Hyunho Seoul, KR 342 2815

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