(19)

(11)

EP 4 260 600 A1

(12)

(43) Date of publication: 18.10.2023 Bulletin 2023/42 (21) Application number: 20823770.1 (22) Date of filing: 08.12.2020

(51) International Patent Classification (IPC):  H04W 28/02(2009.01) (52) Cooperative Patent Classification (CPC): H04W 28/0268 (86) International application number: PCT/EP2020/085125 (87) International publication number: WO 2022/122128 (16.06.2022 Gazette 2022/24)

(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: LI, Zexian 02340 Espoo (FI) AARNIO, Ari 02230 Espoo (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)