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(11)

EP 2 813 119 A1

(12)

(43) Date of publication: 17.12.2014 Bulletin 2014/51 (21) Application number: 12867993.3 (22) Date of filing: 07.02.2012

(51) International Patent Classification (IPC):  H04W 72/04(2009.01) H04W 88/02(2009.01) (86) International application number: PCT/CN2012/070939 (87) International publication number: WO 2013/116989 (15.08.2013 Gazette 2013/33)

(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: MIAO, Deshan Beijing 100016 (CN) DU, Lei Beijing 100016 (CN) ZHANG, Yi Beijing 100101 (CN) WU, Chunli Beijing 102208 (CN)