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(11)

EP 4 154 401 A1

(12)

(43) Date of publication: 29.03.2023 Bulletin 2023/13 (21) Application number: 20735388.9 (22) Date of filing: 30.06.2020

(51) International Patent Classification (IPC):  H03H 17/02(2006.01) H03H 15/00(2006.01) H03H 17/06(2006.01) (52) Cooperative Patent Classification (CPC): H03H 2017/0295; H03H 17/0628; H03H 17/0275; H03H 2210/012; H03H 2210/025; H03H 15/023 (86) International application number: PCT/EP2020/068319 (87) International publication number: WO 2022/002358 (06.01.2022 Gazette 2022/01)

(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. Longgang District, Shenzhen, Guangdong 518129 (CN)	(72) Inventors: HUISKAMP, Maikel 7522 NB Enschede (NL) KLUMPERINK, Eric, Antonius, Maria 7522 NB Enschede (NL) CORNELISSENS, Koen 80992 Munich (DE) BORREMANS, Marc 80992 Munich (DE) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)