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EP 4 824 640 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 23828157.0 (22) Date of filing: 11.12.2023

(51) International Patent Classification (IPC):  G06F 3/01(2006.01) G02B 27/01(2006.01) G01S 13/42(2006.01) G02B 27/00(2006.01) G01S 13/04(2006.01) G01S 13/89(2006.01) (52) Cooperative Patent Classification (CPC): G06F 3/013; G06F 3/011; G02B 27/017; G02B 2027/0187; G02B 27/0093; G01S 13/89; G02B 2027/014; G02B 2027/0138; G01S 13/867 (86) International application number: PCT/EP2023/085124 (87) International publication number: WO 2025/124684 (19.06.2025 Gazette 2025/25)

(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: LJUNG, Rickard 256 56 Helsingborg (SE) SJÖLAND, Henrik 224 68 Lund (SE) ZOU, Gang 226 49 Lund (SE) DAHLGREN, Fredrik 224 65 Lund (SE) REIAL, Andres 236 38 Höllviken (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)