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EP 4 566 236 A1

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(43) Date of publication: 11.06.2025 Bulletin 2025/24 (21) Application number: 23748799.6 (22) Date of filing: 01.08.2023

(51) International Patent Classification (IPC):  H04L 9/32(2006.01) H04W 4/50(2018.01) H04L 9/40(2022.01) H04W 12/069(2021.01) (52) Cooperative Patent Classification (CPC): H04L 9/3263; H04L 9/3265; H04L 2209/64; H04L 63/0823; H04L 63/18; H04W 12/77; H04W 4/80; H04W 4/50; H04L 2209/76; H04W 12/069 (86) International application number: PCT/EP2023/071228 (87) International publication number: WO 2024/028291 (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 EP 22188905 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventor: BERNSEN, Johannes Arnoldus Cornelis 5656 AG Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 52 5656 AG Eindhoven 5656 AG Eindhoven (NL)