(19)

(11)

EP 2 481 238 A2

(12)

(88) Date of publication A3: 21.07.2011 (43) Date of publication: 01.08.2012 Bulletin 2012/31 (21) Application number: 10822937.8 (22) Date of filing: 21.09.2010

(51) International Patent Classification (IPC):  H04W 28/04(2009.01) H04W 16/26(2009.01) H04L 1/18(2006.01) (86) International application number: PCT/CA2010/001508 (87) International publication number: WO 2011/044667 (21.04.2011 Gazette 2011/16)

(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 (30) Priority: 21.09.2009 US 244098 P (71) Applicant: Rockstar Bidco, LP New York, NY 10019-6064 (US)	(72) Inventors: XU, Hua Nepean, Ontario K2G 6C2 (CA) MA, Jianglei Kanata, Ontario K2M 2W5 (CA) JIA, Ming Ottawa, Ontario K2A 0B3 (CA) ZHANG, Hang Nepean, Ontario K2G 5Z1 (CA) (74) Representative: Mackenzie, Andrew Bryan et al Scott & York Intellectual Property Limited 45 Grosvenor Road GB-St. Albans, Herts. AL1 3AW GB-St. Albans, Herts. AL1 3AW (GB)