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(11)

EP 2 805 558 A1

(12)

(43) Date of publication: 26.11.2014 Bulletin 2014/48 (21) Application number: 12866389.5 (22) Date of filing: 20.01.2012

(51) International Patent Classification (IPC):  H04W 72/04(2009.01) (86) International application number: PCT/CN2012/070689 (87) International publication number: WO 2013/107053 (25.07.2013 Gazette 2013/30)

(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 (71) Applicant: Nokia Solutions and Networks Oy 02610 Espoo (FI)	(72) Inventors: LUNTTILA, Timo Erkki FI 02200 Espoo (FI) HUGL, Klaus A-1070 Wien (AT) SKOV, Peter Beijing 100044 (CN) FREDERIKSEN, Frank DK 9270 Klarup (DK)