(19)

(11)

EP 2 603 993 A2

(12)

(88) Date of publication A3: 05.04.2012 (43) Date of publication: 19.06.2013 Bulletin 2013/25 (21) Application number: 11816816.0 (22) Date of filing: 02.08.2011

(51) International Patent Classification (IPC):  H04J 11/00(2006.01) H04W 72/04(2009.01) H04B 7/26(2006.01) (86) International application number: PCT/US2011/046314 (87) International publication number: WO 2012/021337 (16.02.2012 Gazette 2012/07)

(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: 13.08.2010 US 373788 P (71) Applicant: Intel Corporation Santa Clara, CA 95052 (US)	(72) Inventors: WANG, Ping Beijing 100191 (CN) LIU, Yuwen Beijing 100192 (CN) (74) Representative: Harrison Goddard Foote LLP  Fountain Precinct Balm Green Sheffield S1 2JA Balm Green Sheffield S1 2JA (GB)