(19)

(11)

EP 2 609 783 A1

(12)

(43) Date of publication: 03.07.2013 Bulletin 2013/27 (21) Application number: 10856297.6 (22) Date of filing: 27.08.2010

(51) International Patent Classification (IPC):  H04W 72/10(2009.01) (86) International application number: PCT/CN2010/076416 (87) International publication number: WO 2012/024844 (01.03.2012 Gazette 2012/09)

(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: Qualcomm Incorporated San Diego, CA 92121-1714 (US)	(72) Inventors: LI, Yan San Diego, California 92121-1714 (US) GAO, Lu San Deigo, California 92121-1714 (US) ZHANG, Wentao San Diego, California 92121-1714 (US) (74) Representative: Carstens, Dirk Wilhelm et al Wagner & Geyer Gewürzmühlstrasse 5 80538 München 80538 München (DE)