Title:
UPLINK TRANSMISSION METHOD IN UNLICENSED BAND IN WIRELESS COMMUNICATION SYSTEM AND TERMINAL USING SAME METHOD
Document Type and Number:
WIPO Patent Application WO/2020/032697
Kind Code:
A1
Abstract:
The present invention relates to a method for transmitting a Physical Uplink Shared Channel (PUSCH), performed by a user equipment (UE) in an unlicensed band, the method comprising: receiving downlink control information (DCI) including information on a listen before talk (LBT) type and information on a PUSCH start position from a base station; and transmitting the PUSCH on the basis of the information on the LBT type and the information on the PUSCH start position, wherein the LBT type is one of LBT type 1, LBT type 2, and LBT type 3, a random backoff-based LBT is performed in the LBT type 1, an LBT without a random backoff is performed in the LBT type 2, and an uplink is transmitted without LBT in LBT type 3.
Inventors:
MYUNG SECHANG (KR)
KIM SEONWOOK (KR)
AHN JOONKUI (KR)
YANG SUCKCHEL (KR)
KIM SEONWOOK (KR)
AHN JOONKUI (KR)
YANG SUCKCHEL (KR)
Application Number:
PCT/KR2019/010089
Publication Date:
February 13, 2020
Filing Date:
August 09, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04W72/12; H04L5/00; H04W72/14; H04W74/00; H04W74/08
Domestic Patent References:
| WO2017126935A1 | 2017-07-27 |
Foreign References:
| US20170222749A1 | 2017-08-03 | |||
| US20170325225A1 | 2017-11-09 | |||
| US20160321924A1 | 2016-11-03 |
Other References:
"TSGRAN; NR; Physical layer procedures for data (Release 15", 3GPP TS 38.214, 29 June 2018 (2018-06-29), XP051474491
HUAWEI ET AL.: "NR frame structure on unlicensed bands", R1-1805917. 3GPP TSG RAN WG1 MEETING #93, 11 May 2018 (2018-05-11), Busan, Korea, XP051461627
HUAWEI ET AL.: "NR frame structure on unlicensed bands", R1-1805917. 3GPP TSG RAN WG1 MEETING #93, 11 May 2018 (2018-05-11), Busan, Korea, XP051461627
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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