METHOD FOR TRANSMITTING UPLINK CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

WIPO Patent Application WO/2017/078326

A1

A method for transmitting an uplink control channel for a terminal configured to support multiple transmission time interval (TTI) lengths in a wireless communication system according to an embodiment of the present invention is performed by the terminal and may comprise the steps of: receiving a first physical downlink shared channel (PDSCH) according to a first TTI length at a first time point; receiving a second PDSCH according to a second TTI length differing from the first TTI length at a second time point; and when TTIs for transmitting uplink control channels for the received first PDSCH and second PDSCH overlap, transmitting uplink control information for the first PDSCH and second PDSCH on a physical uplink control channel (PUCCH) having the shorter TTI length among the first TTI length and the second TTI length.

LEE HYUNHO (KR)
YI YUNJUNG (KR)
KIM EUNSUN (KR)
YANG SUCKCHEL (KR)
SEO HANBYUL (KR)

PCT/KR2016/012146

May 11, 2017

October 27, 2016

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LG ELECTRONICS INC (KR)

H04L5/00; H04W72/12; H04W74/00

WO2014124164A1

2014-08-14

US20140226607A1	2014-08-14
US20140071954A1	2014-03-13

INTEL CORPORATION: "Protocol Impact of TTI Reduction", R2-15496, 3GPP TSG- RAN WG2 MEETING #91BIS., 26 September 2015 (2015-09-26), M almo. Sweden, XP051042349
ERICSSON: "Study of Shorter TTI for Latency Reduction", R2-154740, 3GPP TSG- RAN WG2 MEETING #91BIS, 26 September 2015 (2015-09-26), Malmo, Sweden, XP051023965
See also references of EP 3373496A4

KIM, Yong In et al. (KR)

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