(19)

(11)

EP 4 566 227 A1

(12)

(43) Date of publication: 11.06.2025 Bulletin 2025/24 (21) Application number: 23758393.5 (22) Date of filing: 05.08.2023

(51) International Patent Classification (IPC):  H04L 5/00(2006.01) H04W 52/36(2009.01) H04L 27/00(2006.01) (52) Cooperative Patent Classification (CPC): H04W 52/365; H04L 5/0094; H04L 5/0044; H04L 5/0005 (86) International application number: PCT/IB2023/057939 (87) International publication number: WO 2024/028848 (08.02.2024 Gazette 2024/06)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 05.08.2022 WO PCT/CN2022/110658 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: SU, Ling Beijing, Hebei 100102 (CN) TAN, Yuande Beijing, Hebei 100102 (CN) SEDIN, Jonas South Brentford Greater London TW8 0SU (GB) ZHANG, Chunhui 118 62 Stockholm (SE) HE, Anqi Beijing, Hebei 100102 (CN) HARRISON, Robert Mark Grapevine, Texas 76051 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)