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EP 4 824 870 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 23833617.6 (22) Date of filing: 12.12.2023

(51) International Patent Classification (IPC):  H01L 23/373(2006.01) H01L 23/367(2006.01) (52) Cooperative Patent Classification (CPC): H10W 40/257; H10W 40/25; H10W 40/228 (86) International application number: PCT/EP2023/085442 (87) International publication number: WO 2025/124702 (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) Applicants: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE) Ericsson Antenna Technology Germany GmbH 83026 Rosenheim (DE)	(72) Inventors: INGELHAG, Per 441 43 Alingsås (SE) MELIN, Peter 437 42 Lindome (SE) DAHL, Torbjörn 426 69 Västra Frölunda (SE) CHANDRABHATLA, Venkatesh 83022 Rosenheim (DE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)