(19)

(11)

EP 2 772 092 A2

(12)

(88) Date of publication A3: 20.06.2013 (43) Date of publication: 03.09.2014 Bulletin 2014/36 (21) Application number: 12783179.0 (22) Date of filing: 26.10.2012

(51) International Patent Classification (IPC):  H04W 36/00(2009.01) H04W 84/18(2009.01) (86) International application number: PCT/EP2012/071199 (87) International publication number: WO 2013/060807 (02.05.2013 Gazette 2013/18)

(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 (30) Priority: 26.10.2011 US 201161551611 P (71) Applicant: Nokia Solutions and Networks Oy 02610 Espoo (FI)	(72) Inventors: MANGALVEDHE, Nitin Hoffman Estates, Illinois 60010 (US) RATASUK, Rapeepat Hoffman Estates, Illinois 60192 (US)