(19)

(11)

EP 1 516 244 A1

(12)

(43) Date of publication: 23.03.2005 Bulletin 2005/12 (21) Application number: 03723869.8 (22) Date of filing: 31.03.2003

(51) International Patent Classification (IPC)7: G06F 9/00, G06F 9/46, G06F 11/00 (86) International application number: PCT/US2003/009934 (87) International publication number: WO 2004/001585 (31.12.2003 Gazette 2004/01)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 24.06.2002 US 179929 24.06.2002 US 179910 24.06.2002 US 179994 (71) Applicant: DoCoMo Communications Laboratories USA, Inc. San Jose, CA 95110 (US)	(72) Inventors: ISLAM, Nayeem Palo Alto, CA 94024 (US) SHOAIB, Shahid San Jose, CA 95128 (US) (74) Representative: W.P. Thompson & Co.  Coopers BuildingChurch Street Liverpool L1 3AB Liverpool L1 3AB (GB)