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EP 4 771 830 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 23776244.8 (22) Date of filing: 30.08.2023

(51) International Patent Classification (IPC):  H04L 45/24(2022.01) H04W 28/086(2023.01) H04L 69/14(2022.01) (52) Cooperative Patent Classification (CPC): H04L 45/24; H04L 69/40; H04L 45/28; H04L 45/58 (86) International application number: PCT/CN2023/115744 (87) International publication number: WO 2025/043530 (06.03.2025 Gazette 2025/10)

(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 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: NAZARI, Ala 136 46 Handen (SE) LUO, Ying Shanghai 200333 (CN) WANG, Kun 170 71 Solna (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)