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(11)

EP 2 647 239 A1

(12)

(43) Date of publication: 09.10.2013 Bulletin 2013/41 (21) Application number: 11794062.7 (22) Date of filing: 22.11.2011

(51) International Patent Classification (IPC):  H04W 24/02(2009.01) H04L 12/24(2006.01) (86) International application number: PCT/EP2011/070631 (87) International publication number: WO 2012/072445 (07.06.2012 Gazette 2012/23)

(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 (30) Priority: 03.12.2010 WO PCT/SE2010/000285 06.12.2010 WO PCT/SE2010/000287 (71) Applicant: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventor: KOUDOURIDIS, George S-16972 Solna (SE) (74) Representative: Kreuz, Georg Maria  Huawei Technologies Dessauerstrasse 3 80992 Munich 80992 Munich (DE)