(19)

(11)

EP 4 208 965 A1

(12)

(43) Date of publication: 12.07.2023 Bulletin 2023/28 (21) Application number: 20767525.7 (22) Date of filing: 03.09.2020

(51) International Patent Classification (IPC):  H04L(2006.01) (52) Cooperative Patent Classification (CPC): H04L 67/303 (86) International application number: PCT/EP2020/074521 (87) International publication number: WO 2022/048749 (10.03.2022 Gazette 2022/10)

(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: KHARE, Saurabh Bangalore 560005 (IN) CHANDRAMOULI, Devaki Plano, Texas 75025 (US) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)