METHOD WHEREBY A CHANNEL QUALITY INDICATOR IS FED BACK BY A TERMINAL IN A MULTIPLE-ANTENNA WIRELESS COMMUNICATION SYSTEM, AND A DEVICE THEREFOR

WIPO Patent Application WO/2011/037426

A2

Disclosed is a method whereby a channel quality indicator is fed back by a terminal in a multiple-antenna wireless communication system. More specifically, the method comprises the steps of: receiving reference signals corresponding to a plurality of data streams from a base station; using the reference signals to calculate a channel quality indicator; and transmitting the calculated channel quality indicator to the base station; and, in the step in which the channel quality indicator is calculated, the channel quality indicator is calculated under the assumption that at least one of the reference signals has been transmitted using either the spatial-multiplexing technique or the transmission diversity technique, depending on the feedback setting of the terminal.

KIM BONG HOE (KR)
ROH DONG WOOK (KR)
KANG BYEONG WOO (KR)
LEE DAE WON (KR)
NOH YU JIN (KR)
KIM KI JUN (KR)
AHN JOON KUI (KR)

PCT/KR2010/006537

March 31, 2011

September 27, 2010

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LG ELECTRONICS INC (KR)
KIM BONG HOE (KR)
ROH DONG WOOK (KR)
KANG BYEONG WOO (KR)
LEE DAE WON (KR)
NOH YU JIN (KR)
KIM KI JUN (KR)
AHN JOON KUI (KR)

H04B7/04

WO2007081181A2

2007-07-19

EP2007050A2

2008-12-24

None

KIM, Yong In et al. (7th Floor Hyundae Building,175-9 Jamsil-don, Songpa-ku Seoul 138-861, KR)

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