(19)

(11)

EP 2 883 371 A1

(12)

(43) Date of publication: 17.06.2015 Bulletin 2015/25 (21) Application number: 12748412.9 (22) Date of filing: 07.08.2012

(51) International Patent Classification (IPC):  H04W 4/04(2009.01) H04W 4/02(2009.01) (86) International application number: PCT/EP2012/065453 (87) International publication number: WO 2014/023339 (13.02.2014 Gazette 2014/07)

(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: DEMETER, Hunor H-1118 Budapest (HU) VEKONY, Norbert H-4300 Nyírbátor (HU) TETTAMANTI, Tamás H-1136 Budapest (HU) VARGA, István H-1188 Budapest (HU) LUDVIG, Ádám H-1221 Budapest (HU)