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EP 4 256 701 A1

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(43) Date of publication: 11.10.2023 Bulletin 2023/41 (21) Application number: 21762035.0 (22) Date of filing: 16.08.2021

(51) International Patent Classification (IPC):  H03F 3/45(2006.01) H03M 1/00(2006.01) H04B 1/22(2006.01) H03G 3/30(2006.01) H03M 1/38(2006.01) H04B 10/69(2013.01) (52) Cooperative Patent Classification (CPC): H03G 3/3047; H03G 3/3084; H03M 1/38; H03M 1/002; H03F 3/45475; H03F 2203/45528; H04B 1/22; H04B 10/6931; H04B 10/40 (86) International application number: PCT/EP2021/072747 (87) International publication number: WO 2023/020680 (23.02.2023 Gazette 2023/08)

(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: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventor: IQBAL, Ahmer 80992 Munich (DE) (74) Representative: MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB  Paul-Heyse-Strasse 29 80336 München 80336 München (DE)