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EP 4 295 621 A1

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(43) Date of publication: 27.12.2023 Bulletin 2023/52 (21) Application number: 21709664.3 (22) Date of filing: 02.03.2021

(51) International Patent Classification (IPC):  H04W 64/00(2009.01) H04W 76/14(2018.01) H04W 92/18(2009.01) G01S 5/02(2010.01) H04W 4/40(2018.01) (52) Cooperative Patent Classification (CPC): H04W 64/00; H04W 64/006; H04W 76/14; H04W 4/40; H04W 92/18 (86) International application number: PCT/EP2021/055178 (87) International publication number: WO 2022/184240 (09.09.2022 Gazette 2022/36)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventors: WANG, Qi 80992 Munich (DE) STIRLING-GALLACHER, Richard 80992 Munich (DE) CASTAÑEDA GARCIA, Mario Hernán 80809 Munich (DE) GONG, Xitao 80992 Munich (DE) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)