Patents and Invention Disclosures
Method and System for CELP Speech Coding and Codebook for Use Therewith, Patent Number: 5,371,853, UM-91-013, (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.
“A Method for Distributed Shared Key Generation Using Fractional Keys”, Disclosure No: IS-98-012 (with R. Poovendran and M.S. Corson), Patent Pending (filed April 1999).
“A Method and Apparatus for Developing Dynamic Group Elgamal Public Keys among Mutually Suspicious Parties” (with R. Poovendran and M.S. Corson), Patent Pending (filed April 1999).
“Method and Apparatus for Perceptually Based Compression and Transmission of Video Streams” (with J. Gu, Y. Jiang), Invention Disclosure, University of Maryland, April 1999.
“Method and Apparatus for Conditional Access in Broadcast/Multicast Systems (with J. Gu), Invention Disclosure, University of Maryland, April 1999.
“3D Wavelet Based Video Codec with Human Perceptual Model”, Patent Number: 7,006,568, (with J. Gu, Y. Jiang, and R.E. Sokohl), awarded February 28, 2006.
“Method and Apparatus to Dynamically Allocate Power and Bursts in Multibeam Ka Band Satellites to Compensate Rain Fading” (with Youyu Feng), Invention Disclosure, University of Maryland, April 2001.
“A Multichannel Random Access Protocol for Multislot Short Messages with Delay Constraint” (with Xiaoming Zhou), Patent Pending (filed March 2006).