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EP 2 954 641 A1

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(43) Date of publication: 16.12.2015 Bulletin 2015/51 (21) Application number: 13704577.9 (22) Date of filing: 07.02.2013

(51) International Patent Classification (IPC):  H04L 12/24(2006.01) H04L 29/06(2006.01) H04L 12/46(2006.01) (86) International application number: PCT/EP2013/052383 (87) International publication number: WO 2014/121835 (14.08.2014 Gazette 2014/33)

(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) Inventors: LAAKSONEN, Heikki Jarmo Tapani FI-00730 Helsinki (FI) LAMPINEN, Marten Ilmari FI-04260 Kerava (FI) HARJU, Risto Petri Johannes FI-70460 Kuopio (FI) (74) Representative: Borgström, Markus et al Nokia Solutions and Networks GmbH & Co. KG T&I IPR Patent Administration St.-Martin-Straße 76 80240 München 80240 München (DE)