(19)

(11)

EP 4 275 432 A1

(12)

(43) Date of publication: 15.11.2023 Bulletin 2023/46 (21) Application number: 22700733.3 (22) Date of filing: 07.01.2022

(51) International Patent Classification (IPC):  H04W 72/04(2023.01) H04W 92/18(2009.01) (52) Cooperative Patent Classification (CPC): H04W 92/18; H04W 72/20 (86) International application number: PCT/EP2022/050250 (87) International publication number: WO 2022/148832 (14.07.2022 Gazette 2022/28)

(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: 08.01.2021 WO PCT/EP2021/050249 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventor: WANG, Min 977 53 Luleå (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)