(19)

(11)

EP 4 252 473 A1

(12)

(43) Date of publication: 04.10.2023 Bulletin 2023/40 (21) Application number: 21830539.9 (22) Date of filing: 24.11.2021

(51) International Patent Classification (IPC):  H04W 72/04(2023.01) H04L 5/00(2006.01) H04W 72/12(2023.01) H04L 1/00(2006.01) H04W 72/08(2009.01) (52) Cooperative Patent Classification (CPC): H04L 1/0026; H04L 5/0057; H04L 1/0027; H04W 72/54; H04W 72/20 (86) International application number: PCT/SE2021/051175 (87) International publication number: WO 2022/115026 (02.06.2022 Gazette 2022/22)

(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: 27.11.2020 US 202063118743 P (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: LIU, Yuhang 224 74 Lund (SE) ALRIKSSON, Peter 242 31 Hörby (SE) KARAKI, Reem 52078 Aachen (DE) GRANT, Stephen Pleasanton, California 94566 (US) MADHAVAN, Narendar 233 63 Bara (SE) DO, Tai 224 68 Lund (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)