(19)

(11)

EP 2 932 742 A1

(12)

(43) Date of publication: 21.10.2015 Bulletin 2015/43 (21) Application number: 12809232.7 (22) Date of filing: 14.12.2012

(51) International Patent Classification (IPC):  H04W 4/22(2009.01) (86) International application number: PCT/EP2012/075633 (87) International publication number: WO 2014/090340 (19.06.2014 Gazette 2014/25)

(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: Huawei Technologies Co., Ltd. Longgang District Shenzhen, Guangdong 518129 (CN)	(72) Inventors: MOPIDEVI, Rama Kumar S-224 79 Lund (SE) SINGVALL, Jakob S-237 34 Bjärred (SE) (74) Representative: Kreuz, Georg Maria  Huawei Technologies Duesseldorf GmbH Riesstrasse 8 80992 München 80992 München (DE)