METHOD FOR TRANSMITTING OR RECEIVING DEMODULATION REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

WIPO Patent Application WO/2018/143746

A1

In a method for supporting a short transmission time interval (sTTI) in a wireless communication system according to one embodiment of the present invention, the method is performed by a terminal, and comprises the steps of: receiving a reference signal for decoding a downlink channel; and decoding the downlink channel by using the reference signal for decoding the downlink channel, wherein the reference signal for decoding the downlink channel may be transmitted by using a pattern to which a frequency separation is applied, in the case of collision with a cell-specific reference signal.

KWAK GYOUNGIL (KR)
YI YUNJUNG (KR)
LEE HYUNHO (KR)

PCT/KR2018/001508

August 09, 2018

February 05, 2018

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LG ELECTRONICS INC (KR)

H04L5/00; H04W72/04

US20150016239A1	2015-01-15
US20140254504A1	2014-09-11

"DL DMRS design for shortened TTI", RL-1612748, 3GPP TSG RAN WG1 MEETING #87, 4 November 2016 (2016-11-04), Reno, USA, XP051189656
NOKIA: "On details of flexible DMRS design for 2-symbol DL shorter TTI", RL-1612212, 3GPP TSG-RAN WG1 MEETING #87, 4 November 2016 (2016-11-04), Reno, Nevada (USA, XP051189221
LG ELECTRONICS: "Discussions on sPDSCH and DMRS design", RL-1611777, 3GPP TSG RAN WG1 MEETING #87, 5 November 2016 (2016-11-05), Reno, USA, XP051190143
See also references of EP 3584981A4

KIM, Yong In et al. (KR)

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