Title:
METHOD FOR REPORTING CHANNEL STATE IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/222329
Kind Code:
A1
Abstract:
A method for reporting a channel state on the basis of an aperiodic channel state information-reference signal (CSI-RS) in a wireless communication system, according to one embodiment of the present invention, comprises: a step of receiving an instruction to report the channel state on the basis of the aperiodic CSI-RS; and a step of transmitting CSI derived from the aperiodic CSI-RS according to the instruction to report the channel state, wherein the aperiodic CSI-RS is periodically received for a predetermined time interval, the CSI transmitted at a first CSI reporting time valid after receiving the instruction to report the channel state includes information of the highest priority type, and a transmission offset of the information of the highest priority type can be determined on the basis of the point of time when the instruction to report the channel state is received.
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Inventors:
YUM KUNIL (KR)
PARK JONGHYUN (KR)
KANG JIWON (KR)
YI YUNJUNG (KR)
PARK JONGHYUN (KR)
KANG JIWON (KR)
YI YUNJUNG (KR)
Application Number:
PCT/KR2017/006622
Publication Date:
December 28, 2017
Filing Date:
June 23, 2017
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04L5/00
Domestic Patent References:
| WO2015060681A1 | 2015-04-30 |
Foreign References:
| KR20150035555A | 2015-04-06 |
Other References:
SAMSUNG: "On Aperiodic CSI-RS Design", R1-164773, 3GPP TSG RAN WG1 #85, 13 May 2016 (2016-05-13), XP051090138
XINWEI: "Discussion on CSI Reporting for Hybrid CSI-RS", R1-164895, 3GPP TSG RAN WG1 MEETING #85, 13 May 2016 (2016-05-13), XP051090230
LG ELECTRONICS: "Discussion on CSI Reporting Enhancements for Hybrid CSI-RS", R1-164526, 3GPP TSG RAN WG1 MEETING #85, 14 May 2016 (2016-05-14), XP051096406
See also references of EP 3471311A4
XINWEI: "Discussion on CSI Reporting for Hybrid CSI-RS", R1-164895, 3GPP TSG RAN WG1 MEETING #85, 13 May 2016 (2016-05-13), XP051090230
LG ELECTRONICS: "Discussion on CSI Reporting Enhancements for Hybrid CSI-RS", R1-164526, 3GPP TSG RAN WG1 MEETING #85, 14 May 2016 (2016-05-14), XP051096406
See also references of EP 3471311A4
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
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