(19)

(11)

EP 2 870 704 A1

(12)

(43) Date of publication: 13.05.2015 Bulletin 2015/20 (21) Application number: 12753078.0 (22) Date of filing: 04.07.2012

(51) International Patent Classification (IPC):  H04B 7/04(2006.01) (86) International application number: PCT/EP2012/063018 (87) International publication number: WO 2014/005630 (09.01.2014 Gazette 2014/02)

(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: RANTA-AHO, Karri, Markus 02600 Espoo (FI) SAYENKO, Alexander 02210 Espoo (FI)