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EP 4 241 394 A1

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(43) Date of publication: 13.09.2023 Bulletin 2023/37 (21) Application number: 21705155.6 (22) Date of filing: 11.02.2021

(51) International Patent Classification (IPC):  H04B 10/079(2013.01) H04J 14/02(2006.01) H04B 10/2507(2013.01) (52) Cooperative Patent Classification (CPC): H04J 14/0298; H04B 10/2507; H04B 10/07953 (86) International application number: PCT/EP2021/053276 (87) International publication number: WO 2022/171280 (18.08.2022 Gazette 2022/33)

(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) Inventors: FERNANDEZ DE JAUREGUI RUIZ, Ivan 80992 Munich (DE) DRIS, Stefanos 80992 Munich (DE) DEMIRTZIOGLOU, Iosif 80992 Munich (DE) CHARLET, Gabriel 80992 Munich (DE) ZHAO, Yu 80992 Munich (DE) (74) Representative: Huawei European IPR  Huawei Technologies Duesseldorf GmbH Riesstraße 25 80992 München 80992 München (DE)