(19)

(11)

EP 1 336 281 A2

(12)

(88) Date of publication A3: 10.10.2002 (43) Date of publication: 20.08.2003 Bulletin 2003/34 (21) Application number: 01994006.3 (22) Date of filing: 01.11.2001

(51) International Patent Classification (IPC)7: H04L 12/56 (86) International application number: PCT/US0145/761 (87) International publication number: WO 0203/9680 (16.05.2002 Gazette 2002/20)

(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: 08.11.2000 US 708745 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventors: GROSS, Joel, L. Gilbert, AZ 85233 (US) GROSS, Jonathan, H. Gilbert, AZ 85296 (US) STARTUP, James Tempe, AZ 85284 (US) (74) Representative: McCormack, Derek James et al MotorolaEuropean Intellectual Property OperationsMidpointAlencon Link BasingstokeHampshire RG21 7PL BasingstokeHampshire RG21 7PL (GB)