(19)

(11)

EP 2 537 388 A1

(12)

(43) Date of publication: 26.12.2012 Bulletin 2012/52 (21) Application number: 11706073.1 (22) Date of filing: 09.02.2011

(51) International Patent Classification (IPC):  H04W 76/02(2009.01) H04W 76/04(2009.01) H04W 4/10(2009.01) (86) International application number: PCT/US2011/024232 (87) International publication number: WO 2011/103008 (25.08.2011 Gazette 2011/34)

(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: 24.01.2011 US 12417 17.02.2010 US 305364 P (71) Applicant: Qualcomm Incorporated San Diego, CA 92121 (US)	(72) Inventors: SONG, Byongyong San Diego, California 92121 (US) LIN, Yih-Hao San Diego, California 92121 (US) ANCHAN, Kirankumar San Diego, CA 92121 (US) (74) Representative: Wegner, Hans  Bardehle Pagenberg Partnerschaft Patentanwälte, Rechtsanwälte Prinzregentenplatz 7 81675 München 81675 München (DE)