BEAM OPERATION DEVICE AND METHOD IN COMMUNICATION SYSTEM SUPPORTING HYBRID MULTIPLE-INPUT MULTIPLE-OUTPUT MODE

WIPO Patent Application WO/2016/089120

A1

The present invention relates to a 5th-generation (5G) or pre-5G communication system to be provided for supporting a data transmission rate higher than that of a 4th-generation (4G) communication system, such as long term evolution (LTE), and subsequent systems. The present invention provides a method by which a mobile station (MS) operates a beam in a communication system supporting a hybrid multiple-input multiple-output (MIMO) mode, the method comprising the steps of: receiving, from a base station (BS), information related to the number of beams to be used, by the BS, for a beam training process; receiving, from the BS, a downlink reference signal (RS); performing a channel estimation process on the basis of the downlink RS; and transmitting, to the BS, information related to the number of beams to be used by the MS, after performing the channel estimation process.

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KIM JAE-WON (KR)
LEE YONG-HUN (KR)
KIM MIN-HYUN (KR)
LEE JUN-HO (KR)

PCT/KR2015/013084

June 09, 2016

December 02, 2015

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SAMSUNG ELECTRONICS CO LTD (KR)
KOREA ADVANCED INST SCI & TECH (KR)

H04B7/04

US8290539B2	2012-10-16
US20100330928A1	2010-12-30
US20130156120A1	2013-06-20
US20110261905A1	2011-10-27
KR101412166B1	2014-07-01

LEE, Keon-Joo et al. (KR)
이건주 (KR)

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