(19)

(11)

EP 4 034 965 A1

(12)

(43) Date of publication: 03.08.2022 Bulletin 2022/31 (21) Application number: 19805228.4 (22) Date of filing: 14.11.2019

(51) International Patent Classification (IPC):  G06F 1/16(2006.01) (52) Cooperative Patent Classification (CPC): G06F 1/1681; G06F 1/1652; G06F 1/1647; G06F 1/1616 (86) International application number: PCT/EP2019/081266 (87) International publication number: WO 2021/093951 (20.05.2021 Gazette 2021/20)

(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) Inventor: HEISKANEN, Juuso 16440 Kista (SE) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31 80801 München 80801 München (DE)