(19)

(11)

EP 4 233 436 A1

(12)

(43) Date of publication: 30.08.2023 Bulletin 2023/35 (21) Application number: 21793919.8 (22) Date of filing: 15.10.2021

(51) International Patent Classification (IPC):  H04W 72/04(2023.01) H04W 72/12(2023.01) (52) Cooperative Patent Classification (CPC): H04W 72/20; H04W 72/569; H04W 72/23 (86) International application number: PCT/EP2021/078597 (87) International publication number: WO 2022/084178 (28.04.2022 Gazette 2022/17)

(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: 22.10.2020 US 202063104051 P (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: HOOLI, Kari 90620 Oulu (FI) DEGHEL, Matha 75014 Paris (FR) HUGL, Klaus 1070 Vienna (AT) NHAN, Nhat-Quang 51100 Reims (FR) LI, Zexian 02610 Espoo (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)