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(11)

EP 4 463 938 A1

(12)

(43) Date of publication: 20.11.2024 Bulletin 2024/47 (21) Application number: 22704496.3 (22) Date of filing: 21.01.2022

(51) International Patent Classification (IPC):  H03K 3/356(2006.01) H03K 19/0185(2006.01) (52) Cooperative Patent Classification (CPC): H03K 19/018507; H03K 19/01855; H03K 3/356104; H03K 3/356156; H03K 3/356173 (86) International application number: PCT/EP2022/051339 (87) International publication number: WO 2023/138779 (27.07.2023 Gazette 2023/30)

(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: ROSEN, Eitan 80992 Munich (DE) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)