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(11)

EP 3 488 578 A1

(12)

(43) Date of publication: 29.05.2019 Bulletin 2019/22 (21) Application number: 16760001.4 (22) Date of filing: 22.08.2016

(51) International Patent Classification (IPC):  H04L 29/06(2006.01) H04L 12/46(2006.01) (86) International application number: PCT/EP2016/069806 (87) International publication number: WO 2018/036605 (01.03.2018 Gazette 2018/09)

(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: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: HOUYOU, Amine Mohamed Jersey City, 07306 (US) WALEWSKI, Joachim 82008 Unterhaching (DE)