(19)

(11)

EP 2 941 852 A1

(12)

(43) Date of publication: 11.11.2015 Bulletin 2015/46 (21) Application number: 13700014.7 (22) Date of filing: 03.01.2013

(51) International Patent Classification (IPC):  H04L 25/06(2006.01) H04J 11/00(2006.01) (86) International application number: PCT/EP2013/050069 (87) International publication number: WO 2014/106540 (10.07.2014 Gazette 2014/28)

(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: HU, Sha S-22369 Lund (SE) WU, Gengshi S-22369 Lund (SE) PRIYANTO, Basuki Endah S-22369 Lund (SE) KANT, Shashi S-22369 Lund (SE) CHEN, Jianjun S-22369 Lund (SE) (74) Representative: Kreuz, Georg Maria  Huawei Technologies Duesseldorf GmbH Riesstrasse 8 80992 München 80992 München (DE)