Title:
METHOD FOR TRANSMITTING AND RECEIVING SOUNDING REFERENCE SIGNAL AND CHANNEL STATE INFORMATION IN CONSIDERATION OF CHANNEL RECIPROCITY, AND APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/032571
Kind Code:
A1
Abstract:
Disclosed in the present invention are a method for acquiring channel state information (CSI) of a downlink channel in a wireless communication system, and an apparatus therefor. Specifically, a method by which a base station acquires CSI of a downlink channel in a wireless communication system comprises the steps of: transmitting sounding reference signal (SRS) configuration information to user equipment (UE) in the downlink channel; receiving an SRS from the UE in an uplink channel; and acquiring information about the downlink channel by measuring the SRS, wherein channel reciprocity between the downlink channel and the uplink channel is established, and the SRS can be used to acquire the CSI of the downlink channel on the basis of the channel reciprocity.
Inventors:
CHOI KUKHEON (KR)
KANG JIWON (KR)
GO SEONGWON (KR)
PARK JONGHYUN (KR)
KANG JIWON (KR)
GO SEONGWON (KR)
PARK JONGHYUN (KR)
Application Number:
PCT/KR2019/009867
Publication Date:
February 13, 2020
Filing Date:
August 07, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04L5/00; H04B7/06
Domestic Patent References:
| WO2017177451A1 | 2017-10-19 | |||
| WO2018053814A1 | 2018-03-29 |
Foreign References:
| KR20170128286A | 2017-11-22 | |||
| KR20140004564A | 2014-01-13 | |||
| US20140204856A1 | 2014-07-24 |
Attorney, Agent or Firm:
ROYAL PATENT & LAW OFFICE (KR)
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