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(11)

EP 3 132 335 A1

(12)

(43) Date of publication: 22.02.2017 Bulletin 2017/08 (21) Application number: 15708561.4 (22) Date of filing: 26.02.2015

(51) International Patent Classification (IPC):  G06F 3/041(2006.01) G06F 3/044(2006.01) (86) International application number: PCT/FI2015/050112 (87) International publication number: WO 2015/158952 (22.10.2015 Gazette 2015/42)

(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: 14.04.2014 GB 201406615 (71) Applicant: Nokia Technologies OY 02610 Espoo (FI)	(72) Inventors: BOWER, Chris Ely CB6 3EN (GB) ALLEN, Mark Cambridge CB23 6AA (GB) (74) Representative: Nokia Corporation  Intellectual Property Department Karakaari 7 02610 Espoo 02610 Espoo (FI)