ECE: Electrical & Computer Engineering
ECE News

New ECE Faculty

Biomedical Applications

Photograph of Jason XuanJason Xuan joined ECE as an associate professor at the Northern Virginia Center and the Advanced Research Institute in Arlington. He comes from the Catholic University of America, where he served as assistant professor. Xuan is an expert in bioimaging, with research interests in intelligent computing, bioinformatics, computational systems biology, information visualization, advanced image analysis, cellular and molecular imaging, and image guided radiation therapy. He earned his BSEE degree in 1985, his M.S in 1988 and a Ph.D in 1991, all from China’s university of Zhejiang. He then earned a Ph.D. in electrical engineering and computer science from the University of Maryland in 1997.


Photograph of Claudio da SilvaClaudio da Silva joined ECE in 2005 as an assistant professor after earning his Ph.D. in the area of communication theory and systems from the University of California at San Diego. His research interests are on the general area of wireless communication systems. He specifically looks at the study of issues that will enable ultra-wide band and cognitive radio systems to become practical wireless technologies, including research on interference mitigation, spectrum sensing, channel estimation, and acquisition. da Silva received the best student paper award at the 2003 IEEE Conference on Ultra-Wide Band Systems and Technologies and spent the summer of 2004 working on ultra-wideband systems with the Corporate Technology Group of Intel Corp. He earned his master’s and bachelor’s degrees from Brazil’s State University of Campinas in 2001 and 1999 respectively.

Computer Engineering

Photograph of Mohamed EltoweissyMohamed Eltoweissy joined ECE in 2005 as an associate professor with a joint appointment in computer science and is posted at the Northern Virginia Campus and the Advanced Research Institute. He is the founder and director of the Center for Cyber Assurance and Trust (CyCare). He previously taught at the University of Pittsburgh and at James Madison University, where he was nominated for Virginia’s statewide SCHEV Outstanding Faculty Award. His research interests are in information assurance and trust; ubiquitous networking and network autonomics and cognomics; service-oriented architectures; and group communications. He earned his Ph.D. in 1993 from Old Dominion University and his master’s and bachelor’s degrees from Alexandria University, Alexandria, Egypt in 1989 and 1986 respectively. He is the author of more than 100 refereed publications and a senior member of the IEEE.

Photograph of Chao HuangChao Huang joined ECE in 2005 as an assistant professor, after earning his Ph.D. in computer engineering from Princeton University. Huang’s research interests include computer-aided design of ASICs, VLSI digital circuit design, distributed architectures for data-intensive applications, and circuit design with novel device structures in nanotechnology. He is the co-author of a book, Master Microsoft Excel 2000 with Graphic Illustrations, published by the China Machine Press. He earned his master’s degree from Princeton in 2002 and his bachelor’s in electrical engineering in 1998 from Tsinghua University, Beijing.

Photograph of Leyla NazhandaliLeyla Nazhandali joined ECE in January of 2006 as an assistant professor, after earning her Ph.D. from the University of Michigan at Ann Arbor. Her research interests are in low-power energy-constrained architectures, subthreshold-voltage microprocessors, networks of embedded systems, distributed wireless sensor networks, and engineering education. Her teaching interests are computer organization/architecture, computer programming, data structures and algorithms, hardware description languages, and logic design. Nazhandali earned her master’s in computer engineering in 2002 from the University of Michigan and her bachelor’s in electrical engineering in 2000 from the Sharif University of Technology in Iran.

Photograph of JoAnn PaulJoAnn Paul joined ECE in 2005 as an assistant professor. She is posted to the Northern Virginia Campus and is a member of the Advanced Research Institute in Arlington, Virginia. She came to Tech from Carnegie Mellon, where she served on the research faculty there for five years and a visiting assistant professor for three years. Her research interests are in single-chip computing systems with heterogeneous, programmable processing elements. Her prior professional experience includes a visiting assistant professorship at West Virginia University, senior member of the technical staff at Tartan, Inc., software engineer at Formative Technologies, Inc., and engineer at Westinghouse Electric Corp. Paul earned her Ph.D. in 1994 from the University of Pittsburgh, her master’s in 1987 from Carnegie Mellon, and her bachelor’s in 1983 from Pittsburgh.

Photograph of Patrick SchaumontPatrick Schaumont joined the department as an assistant professor in 2005 after serving as a post-doctoral researcher in the Secure Embedded Systems Group at UCLA. He earned his Ph.D. from UCLA in 2004. While there, he was on three different finalist teams that placed in the Design Automation Conference Student Design Contest (1st place 2002). Earlier, Schaumont served 10 years as a researcher with the Inter-university Micro-Electronics Center (IMEC) in Belgium. His research interests are design methods and architectures for secure embedded systems. He has authored or co-authored 90 conference and journal publications and holds four patents, with one pending. Schaumont earned a master’s in computer science from Ghent University, Belgium in 1990; and his bachelors in electronics engineering in 1988 from Departement Toegepaste Ingenieurswetenschappen, Hogeschool Gent, Belgium, Belgium.

Photograph of Yaling YangYaling Yang joined ECE as an assistant professor, after earning her Ph.D. in computer science from the University of Illinois at Urbana-Champaign. Yang’s research interests include network resource management, network modeling, and media access control, routing and transport layer issues in wireless networks. She is affiliated with the Wireless@Virginia Tech research group. Yang worked for six years as a research assistant in the Mobius Research Group of the University of Illinois. Previously, she worked as a research assistant with the Networking Research Group at the University of Electronic Science and Technology (UESTC) in China. She earned her bachelor’s degree from UESTC in 1999. Yang is the co-author of a book, Computer Networks and Telecommunications Technologies, and was named Distinguished Ph.D. Student for 2005 at Illinois.


Photograph of Masoud AgahMasoud Agah joined ECE as an assistant professor in 2005 after earning his Ph.D in EE from the University of Michigan at Ann Arbor. While at Michigan, he was a member of the NSF Center for Wireless Integrated MicroSystems (WIMS ERC), where he developed MEMS-based gas chromatography columns for environmental monitoring applications. Agah’s research interests are in the design, modeling, material characterization, and fabrication technologies for MEMS. From 1996 to 1999, he was a member of technical staff and then a project manager at Advanced Manufacturing Research Center, Iran, where his work was focused on industrial automation, robotics, and computer vision. In 1999, he joined the B.N.C Company as the manager of the Monitoring and Control Group of the Digital Video Broadcasting Project. He earned his BSEE and MSEE degrees from Sharif University of Technology, Iran, in 1996 and 1998 respectively. He holds one patent and has one pending.

Power Electronics

Photograph of Khai NgoKhai D. T. Ngo has joined ECE as a professor. He comes from the University of Florida, where he was on the faculty since 1988. Ngo is an expert in power electronics and serves as the technical lead on power electronics integration technology for the Center for Power Electronics Systems (CPES). His specific areas of research interests include magnetic materials and components, power electronic circuits and control, power semiconductor devices and integrated circuits, power quality, RF power electronics and energy harvesting. He holds 16 patents and has authored more than ?? journal and conference papers. Ngo earned a BSEE in 1979 from California State Polytechnic University and his MSEE and Ph.D. from Caltech in 1980 and 1984 respectively.

Photograph of Ming XuMing Xu has been appointed an associate professor. Since 2001, he worked as chief research scientist for CPES. Xu has 15 years’ industrial experience, including as senior design engineer with Emerson Network Power and as R&D manager of Qiaoxin Power Technology Co. Ltd. His research interests include high-frequency power conversion, distributed power systems, power-factor correction, low-voltage high current conversion, high-frequency magnetic integration, and modeling and control of converters. He holds seven U.S. patents, with eight more pending, as well as seven Chinese patents. He has co-authored one book and published more than 100 technical papers. He earned a BSEE from Nanjing University of Aeronautics and Astronautics in China in 1991. He earned his M.S. and Ph.D. degrees from Zhejiang University in 1994 and 1997 respectively.

Space Science

Photograph of Scott BaileyScott Bailey joined ECE as an assistant professor. He comes from the Geophysical Institute at the University of Alaska Fairbanks, where he was an assistant professor. He previously served as a researcher at Hampton University and the University of Colorado. Bailey is deputy principal investigator of NASA’s Aeronomy of Ice in the Mesosphere (AIM) satellite mission, which launches in April and is focused on understanding why polar mesospheric clouds form and why they vary. He is also co-investigator on the EUV Variability Experiment (EVE), which will fly on NASA’s Solar Dynamics Observatory (SDO) satellite in 2008. He develops sounding rocket experiments, one of which was launched last fall. Bailey earned his B.S. in physics from Virginia Tech in 1990 and his M.S. and Ph.D. degrees from the University of Colorado in 1994 and 1995 respectively.

Photograph of Bob ClauerC. Robert Clauer joined ECE as a professor and is based at the Nantional Institute of Aerospace, in Hampton, Virginia, where he is part of the Virginia Consortium of Engineering Science Universities (VCES). He comes from the University of Michigan, where he served as a research professor and co-director of their Center for Space Environment Modeling. Clauer has also served as director of the NSF Magnetospheric Physics Program, senior research scientist at SRI International, and as a senior research associate at Stanford University. He earned his B.S. in physics in 19970 from Miami University, his M.S. in 1974 in planetary and space physics from the University of California at Los Angeles (UCLA). He earned his Ph.D. from UCLA in 1980 and served there as a postgraduate research associate.

Photograph of Brent LedvinaBrent Ledvina joined ECE as an assistant professor, after spending the last year as a consultant for Boeing Phantom Works. Previously, he was a postdoctoral research associate at the University of Texas at Austin’s Applied Research Laboratories and was a postdoctoral associate at Cornell University. Ledvina is an expert in GPS/GNSS receivers, ionospheric physics, remote sensing, and software receivers. He is the co-developer of an efficient implementation of a 12-channel GPS L1 software receiver—a project that led to two patents. He has also developed a real-time software receiver system for Boeing Co. and developed and maintained software for tactile imaging for Wicab, Inc. of Madison, Wisc. Ledvina earned his B.S. in ECE from the University of Wisconsin at Madison in 1999. He earned his Ph.D. in 2003 from Cornell.