(19)

(11)

EP 3 202 065 A1

(12)

(43) Date of publication: 09.08.2017 Bulletin 2017/32 (21) Application number: 14793522.5 (22) Date of filing: 31.10.2014

(51) International Patent Classification (IPC):  H04L 1/00(2006.01) H04L 25/03(2006.01) H04L 25/02(2006.01) (86) International application number: PCT/EP2014/073501 (87) International publication number: WO 2016/066231 (06.05.2016 Gazette 2016/18)

(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: COTTATELLUCCI, Laura F-06600 Antibes (FR) YIN, Haifan F-06600 Antibes (FR) GESBERT, David F-06330 Roquefort-Les-Pins (FR) HE, Gaoning 80992 Munich (DE) (74) Representative: Kreuz, Georg Maria  Huawei Technologies Duesseldorf GmbH Riesstrasse 8 80992 München 80992 München (DE)