(19)

(11)

EP 2 586 170 A1

(12)

(43) Date of publication: 01.05.2013 Bulletin 2013/18 (21) Application number: 10853871.1 (22) Date of filing: 28.06.2010

(51) International Patent Classification (IPC):  H04L 29/06(2006.01) (86) International application number: PCT/CN2010/074631 (87) International publication number: WO 2012/000165 (05.01.2012 Gazette 2012/01)

(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 SE SI SK SM TR (71) Applicant: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventor: UWE, Horn 80992 Munich (DE) (74) Representative: Kreuz, Georg Maria et al Huawei Technologies Dessauerstrasse 3 80992 Munich 80992 Munich (DE)