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EP 3 213 461 A1

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(43) Date of publication: 06.09.2017 Bulletin 2017/36 (21) Application number: 14808547.5 (22) Date of filing: 25.11.2014

(51) International Patent Classification (IPC):  H04L 12/24(2006.01) G06F 17/11(2006.01) H04L 12/715(2013.01) (86) International application number: PCT/EP2014/075543 (87) International publication number: WO 2016/082867 (02.06.2016 Gazette 2016/22)

(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 (71) Applicant: Huawei Technologies Co., Ltd. Longgang District Shenzhen, Guangdong 518129 (CN)	(72) Inventors: GUERZONI, Riccardo 80992 Munich (DE) DESPOTOVIC, Zoran 80992 Munich (DE) BEKER, Sergio 80992 Munich (DE) (74) Representative: Kreuz, Georg Maria et al Huawei Technologies Duesseldorf GmbH Riesstrasse 8 80992 München 80992 München (DE)