(19)

(11)

EP 2 949 126 A1

(12)

(43) Date of publication: 02.12.2015 Bulletin 2015/49 (21) Application number: 13872868.8 (22) Date of filing: 22.01.2013

(51) International Patent Classification (IPC):  H04Q(2009.01) (86) International application number: PCT/CN2013/070855 (87) International publication number: WO 2014/113927 (31.07.2014 Gazette 2014/31)

(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 Technologies Oy 02610 Espoo (FI)	(72) Inventors: LI, Haitao Xicheng District, Beijing 100052 (CN) LIU, Yang Haidian District, Beijing 100191 (CN) (74) Representative: Seppo Laine Oy  Itämerenkatu 3 B 00180 Helsinki 00180 Helsinki (FI)