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(11)

EP 3 262 825 A2

(12)

(88) Date of publication A3: 24.11.2016 (43) Date of publication: 03.01.2018 Bulletin 2018/01 (21) Application number: 16710680.6 (22) Date of filing: 25.02.2016

(51) International Patent Classification (IPC):  H04L 29/08(2006.01) H04L 29/06(2006.01) H04N 21/24(2011.01) H04N 21/262(2011.01) H04N 21/433(2011.01) H04W 4/00(2018.01) H04N 21/2343(2011.01) H04N 21/258(2011.01) H04N 21/2662(2011.01) H04N 21/6543(2011.01) (86) International application number: PCT/EP2016/053939 (87) International publication number: WO 2016/135223 (01.09.2016 Gazette 2016/35)

(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 (30) Priority: 26.02.2015 EP 15156790 (71) Applicant: Deutsche Telekom AG 53113 Bonn (DE)	(72) Inventors: KRAUS, Josef 64807 Dieburg (DE) GRIGAT, Michael 64372 Ober-Ramstadt (DE) KADEL, Gerhard 64293 Darmstadt (DE) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstrasse 3 81675 München 81675 München (DE)