(19)

(11)

EP 1 256 220 A2

(12)

(88) Date of publication A3: 25.07.2002 (43) Date of publication: 13.11.2002 Bulletin 2002/46 (21) Application number: 01906850.1 (22) Date of filing: 31.01.2001

(51) International Patent Classification (IPC)7: H04L 25/14, H04L 12/28, H04Q 7/20 (86) International application number: PCT/US0103/244 (87) International publication number: WO 0105/6190 (02.08.2001 Gazette 2001/31)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 31.01.2000 US 494231 (71) Applicant: QUALCOMM Incorporated San Diego, California 92121 (US)	(72) Inventor: BOGER, Itsik 30500 Binyamina (IL) (74) Representative: Dunlop, Hugh Christopher et al R G C Jenkins &Co.,26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)