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EP 4 817 264 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23837687.5 (22) Date of filing: 22.12.2023

(51) International Patent Classification (IPC):  H04L 61/4511(2022.01) H04L 9/40(2022.01) H04L 61/58(2022.01) H04W 28/02(2009.01) (52) Cooperative Patent Classification (CPC): H04L 61/4511; H04L 61/58; H04L 63/0428 (86) International application number: PCT/EP2023/087569 (87) International publication number: WO 2025/113818 (05.06.2025 Gazette 2025/23)

(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: 27.11.2023 EP 23383216 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: GOMEZ-HIDALGO PEREZ, Victor 45500 Torrijos Toledo (ES) HERNANDEZ HARO, Gonzalo 28029 Madrid (ES) VILLASANTE MARCOS, Carlota 28017 Madrid (ES) MUÑOZ DE LA TORRE ALONSO, Miguel Angel 28002 Madrid (ES) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)