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(11)

EP 4 427 134 A1

(12)

(43) Date of publication: 11.09.2024 Bulletin 2024/37 (21) Application number: 21839151.4 (22) Date of filing: 15.12.2021

(51) International Patent Classification (IPC):  G06F 11/16(2006.01) (52) Cooperative Patent Classification (CPC): G06F 11/1629; G06F 11/1641 (86) International application number: PCT/EP2021/085828 (87) International publication number: WO 2023/110069 (22.06.2023 Gazette 2023/25)

(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: FAN, Shiqing 80992 Munich (DE) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Hassa Peckmann & Partner mbB Friedrichstraße 31 80801 München 80801 München (DE)