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(11)

EP 4 406 294 A1

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(43) Date of publication: 31.07.2024 Bulletin 2024/31 (21) Application number: 21805893.1 (22) Date of filing: 02.11.2021

(51) International Patent Classification (IPC):  H04W 52/02(2009.01) H04W 64/00(2009.01) H04W 24/10(2009.01) (52) Cooperative Patent Classification (CPC): H04W 24/10; H04W 52/0209 (86) International application number: PCT/EP2021/080318 (87) International publication number: WO 2023/078523 (11.05.2023 Gazette 2023/19)

(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: CLAESON, Gustaf 80992 Munich (DE) SCHIER, Thorsten 80992 Munich (DE) MOPIDEVI, Rama, Kumar 80992 Munich (DE) HAJRI, Salah, Eddine 80992 Munich (DE) (74) Representative: MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB  Paul-Heyse-Strasse 29 80336 München 80336 München (DE)