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EP 4 315 497 A1

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(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22712095.3 (22) Date of filing: 17.03.2022

(51) International Patent Classification (IPC):  H01P 1/208(2006.01) (52) Cooperative Patent Classification (CPC): H01P 1/2088 (86) International application number: PCT/SE2022/050252 (87) International publication number: WO 2022/203567 (29.09.2022 Gazette 2022/39)

(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 (30) Priority: 24.03.2021 WO PCT/CN2021/082807 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: XIAO, Yuhua Beijing 100102 (CN) SONG, Juandi Beijing 100102 (CN) LU, Peiguang Beijing 100102 (CN) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)