(19)

(11)

EP 1 360 812 A2

(12)

(88) Date of publication A3: 24.04.2003 (43) Date of publication: 12.11.2003 Bulletin 2003/46 (21) Application number: 01992280.6 (22) Date of filing: 29.10.2001

(51) International Patent Classification (IPC)7: H04L 29/06, G06F 9/46 (86) International application number: PCT/US0149/863 (87) International publication number: WO 0204/3343 (30.05.2002 Gazette 2002/22)

(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: 03.11.2000 US 245790 P 03.11.2000 US 245789 P 03.11.2000 US 245788 P 03.11.2000 US 245859 P 11.06.2001 US 878787 (71) Applicant: The Board of Regents of the University of Nebraska Lincoln, NE 68588-0745 (US)	(72) Inventors: GODDARD, Steve Lincoln, NE 68516 (US) RAMAMURTHY, Byravamurthy Lincoln, NE 68521 (US) GAN, Xuehong Seattle, WA 98105 (US) (74) Representative: Atkinson, Ralph et al Atkinson Burrington,25-29 President Buildings,President Way Sheffield S4 7UR Sheffield S4 7UR (GB)