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(11)

EP 2 698 000 A1

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(43) Date of publication: 19.02.2014 Bulletin 2014/08 (21) Application number: 12771703.1 (22) Date of filing: 23.01.2012

(51) International Patent Classification (IPC):  H04W 24/10(2009.01) H04W 36/20(2009.01) H04W 72/08(2009.01) H04B 17/00(2006.01) (86) International application number: PCT/FI2012/050055 (87) International publication number: WO 2012/140314 (18.10.2012 Gazette 2012/42)

(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 (30) Priority: 11.04.2011 US 201161474019 P (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: KOSKINEN, Jussi-Pekka FI-90630 Oulu (FI) KOSKELA, Jarkko, T. FI-90510 Oulu (FI) PIIPPONEN, Antti-Veikko FI-01690 Vantaa (FI) (74) Representative: Jaatinen, Jussi Imari et al Nokia Corporation Intellectual Property Department Keilalahdentie 4 02150 Espoo 02150 Espoo (FI)