(19)

(11)

EP 2 823 589 A1

(12)

(43) Date of publication: 14.01.2015 Bulletin 2015/03 (21) Application number: 13704740.3 (22) Date of filing: 04.02.2013

(51) International Patent Classification (IPC):  H04J 11/00(2006.01) (86) International application number: PCT/EP2013/052145 (87) International publication number: WO 2013/131695 (12.09.2013 Gazette 2013/37)

(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: 07.03.2012 WO PCT/EP2012/053888 (71) Applicant: Nokia Solutions and Networks Oy 02610 Espoo (FI)	(72) Inventors: CHAPMAN, Thomas Southampton SO18 4RY (GB) HOEHNE, Hans Thomas FI-00420 Helsinki (FI) MARSCH, Patrick PL-53-110 Wroclaw (PL) PAWLAK, Krystian PL-63-400 Ostrow Wielkopolski (PL)