(19)

(11)

EP 3 011 448 A1

(12)

(43) Date of publication: 27.04.2016 Bulletin 2016/17 (21) Application number: 13731123.9 (22) Date of filing: 21.06.2013

(51) International Patent Classification (IPC):  G06F 9/50(2006.01) (86) International application number: PCT/EP2013/062987 (87) International publication number: WO 2014/202151 (24.12.2014 Gazette 2014/52)

(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 (71) Applicant: Nokia Solutions and Networks Oy 02610 Espoo (FI)	(72) Inventor: RASANEN, Juha Antero FI-02660 Espoo (FI) (74) Representative: Borgström, Markus  Nokia Solutions and Networks Oy CEF T&I IPR Administration St.-Martin-Strasse 76 80240 Munich 80240 Munich (DE)