(19)

(11)

EP 4 018 690 A1

(12)

(43) Date of publication: 29.06.2022 Bulletin 2022/26 (21) Application number: 20855768.6 (22) Date of filing: 25.06.2020

(51) International Patent Classification (IPC):  H04W 4/02(2018.01) H04L 29/08(2006.01) H04W 64/00(2009.01) (52) Cooperative Patent Classification (CPC): H04W 4/02; H04W 64/00; H04W 4/70; H04W 4/90; H04L 67/30 (86) International application number: PCT/FI2020/050454 (87) International publication number: WO 2021/032907 (25.02.2021 Gazette 2021/08)

(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 (30) Priority: 22.08.2019 US 201962890211 P (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: PEREZ, Eva 81543 Munich (DE) SÄILY, Mikko 07150 Laukkoski (FI) KELLEY, Sean Hoffman Estates, Illinois 60010 (US) MAEDER, Andreas 97074 Würzburg (DE) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)