Title:
POSITIONING METHOD BY USER DEVICE IN WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/040501
Kind Code:
A1
Abstract:
An aspect of the present disclosure provides a method by a user device in a wireless communication system, the method comprising: receiving positioning reference signal (PRS) configuration information; performing listen-to-talk (LBT) for an unlicensed band; on the basis of the PRS configuration information, transmitting a first PRS to an anchor node (AN) on a channel in an idle state according to the LBT, among multiple channels included in the unlicensed band; and on the basis of the PRS configuration information, receiving a second PRS from the AN on the channel, wherein the first PRS is transmitted immediately after the LBT is performed.
Inventors:
BAEK JONGSEOB (KR)
SEO HANBYUL (KR)
KO WOOSUK (KR)
LEE SEUNGMIN (KR)
SEO HANBYUL (KR)
KO WOOSUK (KR)
LEE SEUNGMIN (KR)
Application Number:
PCT/KR2020/011659
Publication Date:
March 04, 2021
Filing Date:
August 31, 2020
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04W64/00; H04L5/00; H04W4/40; H04W56/00; H04W74/08
Domestic Patent References:
| WO2016144028A1 | 2016-09-15 |
Foreign References:
| US20180054750A1 | 2018-02-22 |
Other References:
QUALCOMM INCORPORATED: "Other Considerations for Two-Step RACH", 3GPP TSG-RAN WG1 MEETING #98; R1-1909241, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 17 August 2019 (2019-08-17), Prague, Czech Republic; 20190826 - 20190830, XP051765846
VIVO: "Discussion on UL RS for NR positioning", 3GPP TSG RAN WG1 #97; R1-1906178, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 1 May 2019 (2019-05-01), Reno, USA; 20190513 - 20190517, XP051708217
HUAWEI: "Discussion on Multi-RTT procedure", 3GPP TSG-RAN3 MEETING #105; R3-194265, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 16 August 2019 (2019-08-16), Ljubljana, Slovenia; 20190826 - 20190830, XP051770457
VIVO: "Discussion on UL RS for NR positioning", 3GPP TSG RAN WG1 #97; R1-1906178, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 1 May 2019 (2019-05-01), Reno, USA; 20190513 - 20190517, XP051708217
HUAWEI: "Discussion on Multi-RTT procedure", 3GPP TSG-RAN3 MEETING #105; R3-194265, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 16 August 2019 (2019-08-16), Ljubljana, Slovenia; 20190826 - 20190830, XP051770457
Attorney, Agent or Firm:
KBK & ASSOCIATES (KR)
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