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(11)

EP 4 406 164 A1

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(43) Date of publication: 31.07.2024 Bulletin 2024/31 (21) Application number: 21782914.2 (22) Date of filing: 22.09.2021

(51) International Patent Classification (IPC):  H04L 5/00(2006.01) H04W 72/56(2023.01) H04L 69/40(2022.01) H04W 72/04(2023.01) H04W 76/27(2018.01) H04W 80/02(2009.01) (52) Cooperative Patent Classification (CPC): H04W 80/02; H04W 76/25; H04W 76/19 (86) International application number: PCT/EP2021/075994 (87) International publication number: WO 2023/046264 (30.03.2023 Gazette 2023/13)

(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: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: KUO, Ping-Heng London NW7 1GX (GB) KELA, Kalle Petteri 20780 Kaarina (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)