Patents and Invention Disclosures
“Method and System for CELP Speech Coding and Codebook for Use Therewith”, Patent Number: 5,371,853 (with Y.H. Kao) awarded December 1994.
“A System Design for a Hybrid Network Data Communications Terminal Using Asymmetric TCP/IP to Support Internet Applications”, Invention Disclosure Number: UM-94-030 (with D. Friedman, A. Ephremides, A. Falk, N. Suphasindhu, B. Johnson, T. Kirkwood), Software Application copyrighted to University of Maryland, 1995.
“Computer-Aided Determination of Window-and-Level for Filmless Radiology”, Patent Number: 6,127,669 (with N.D. Sidiropoulos) awarded October 2000.
“3D Wavelet Based Video Codec with Human Perceptual Model”, Patent Number: 7,006,568, (with J. Gu and Y. Jiang), awarded February 28, 2006.
“A Multichannel Random Access Protocol for Multislot Short Messages with Delay Constraint”, Invention Disclosure Number: IS-2006-003 (with Xiaoming Zhou), Patent Pending (filed March 2006).
"Wireless Communication Method and System for Transmission Authentication at the Physical Layer", Invention Disclosure Number: IS-2007-079 (with P. Yu, B. Sadler), Patent Pending (filed August 2007).
“Congestion Control in Satellite Networks”, (with Do Byun), Provisional Application, April 2008.
“Method and Implementation for Key Generation and Replacement using Markov Models”, Invention Disclosure Number: IS-2008-112 (with P. L. Yu and B. M. Sadler), October 2008.
“Method for Performance-aware Security of Unicast Communications in Hybrid Satellite Networks”, Invention Disclosure Number: IS-2008-I34 (with A.Roy-Chowdhury), January 2009.
“Method for Efficient Source Authentication for Multicast Communications in Hybrid Satellite/Wireless Networks”, Invention Disclosure Number: IS-2008-I35 (with A.Roy-Chowdhury), January 2009.
“Method for Estimating the Intrinsic Pattern of Fingerprint Scanners and Using it in Biometric Authentication and for Cryptographic Key Generation”, Invention Disclosure Number: IS-2009-023 (with V.I. Ivanov), February 2009.