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(11)

EP 3 695 316 A1

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(43) Date of publication: 19.08.2020 Bulletin 2020/34 (21) Application number: 17787381.7 (22) Date of filing: 17.10.2017

(51) International Patent Classification (IPC):  G06F 12/08(2016.01) G06F 8/41(2018.01) G06F 9/50(2006.01) G06F 9/445(2018.01) G06F 12/0815(2016.01) (86) International application number: PCT/EP2017/076477 (87) International publication number: WO 2019/076442 (25.04.2019 Gazette 2019/17)

(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: MA MD (71) Applicant: Huawei Technologies Co., Ltd. Longgang District Shenzhen, Guangdong 518129 (CN)	(72) Inventors: BARBALACE, Antonio 80992 Munich (DE) ILIOPOULOS, Antonios 80992 Munich (DE) (74) Representative: Gill Jennings & Every LLP  SAH The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)