(19)

(11)

EP 2 989 818 A1

(12)

(43) Date of publication: 02.03.2016 Bulletin 2016/09 (21) Application number: 14715928.9 (22) Date of filing: 08.04.2014

(51) International Patent Classification (IPC):  H04W 24/00(2009.01) (86) International application number: PCT/EP2014/057065 (87) International publication number: WO 2014/173677 (30.10.2014 Gazette 2014/44)

(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 (30) Priority: 25.04.2013 US 201361815871 P (71) Applicant: Nokia Solutions and Networks Oy 02610 Espoo (FI)	(72) Inventors: KOLLAR, Martin 04001 Kosice (SK) YAO, Yi Zhi Beijing 100102 (CN)