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(11)

EP 4 378 136 A1

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(43) Date of publication: 05.06.2024 Bulletin 2024/23 (21) Application number: 21752019.6 (22) Date of filing: 28.07.2021

(51) International Patent Classification (IPC):  H04L 41/16(2022.01) H04L 41/042(2022.01) (52) Cooperative Patent Classification (CPC): H04L 41/16; H04L 41/042; H04L 41/34; H04L 41/40 (86) International application number: PCT/EP2021/071156 (87) International publication number: WO 2023/006194 (02.02.2023 Gazette 2023/05)

(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: SUBRAMANYA, Tejas 81377 Munich (DE) ALI-TOLPPA, Janne 33960 Pirkkala (FI) (74) Representative: TBK  Bavariaring 4-6 80336 München 80336 München (DE)