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EP 4 200 980 A1

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(43) Date of publication: 28.06.2023 Bulletin 2023/26 (21) Application number: 20950427.3 (22) Date of filing: 19.08.2020

(51) International Patent Classification (IPC):  H03F 3/60(2006.01) H03F 1/02(2006.01) H03H 7/48(2006.01) H01P 5/12(2006.01) H03F 3/24(2006.01) (52) Cooperative Patent Classification (CPC): H01P 5/12; H03F 3/604; H03F 3/607; H03F 3/195; H03F 3/245; H03F 3/211; H03F 2200/451 (86) International application number: PCT/SE2020/050799 (87) International publication number: WO 2022/039640 (24.02.2022 Gazette 2022/08)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: BAO, Mingquan 426 54 Västra Frölunda (SE) GUSTAFSSON, David 433 63 Sävedalen (SE) ANDERSSON, Kristoffer 413 26 Göteborg (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)