(19)

(11)

EP 2 241 132 A2

(12)

(88) Date of publication A3: 08.10.2009 (43) Date of publication: 20.10.2010 Bulletin 2010/42 (21) Application number: 08866155.8 (22) Date of filing: 29.12.2008

(51) International Patent Classification (IPC):  H04W 36/14(2009.01) (86) International application number: PCT/IB2008/055697 (87) International publication number: WO 2009/083938 (09.07.2009 Gazette 2009/28)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 29.12.2007 WO PCT/CN2007/071379 (71) Applicant: FRANCE TELECOM 75015 Paris (FR)	(72) Inventors: WANG, Dongyan Pekin 100080 (CN) WANG, Haïla Pekin 100080 (CN) GU, Daquig Beijing (CN) (74) Representative: Bioret, Ludovic  Cabinet Vidon 16 B, rue de Jouanet - B.P. 90333 35703 Rennes Cedex 07 35703 Rennes Cedex 07 (FR)