Zhengyuan Xu (S'97-M'99-SM'02) received the B.E. and M.E. degrees in
electronic engineering from Tsinghua University, Beijing, China, in 1989
and 1991, respectively, and the Ph.D. degree in electrical engineering
from Stevens Institute of Technology, Hoboken, NJ, in 1999. From 1991 to
1996, he was a system engineer and department manager at the Tsinghua
Unisplendour Corporation, Tsinghua University. Since 1999, he has been a
faculty member in the Department of Electrical Engineering, University of
California, Riverside, where he is currently an Associate Professor with
tenure. He has held visiting positions at Stanford University, Tsinghua 
University, and the University of Science and Technology of China. His 
research interests lie in wireless information technologies and related
signal processing. They include wireless communications, sensing,
positioning, and imaging; for example, multiuser spread spectrum, 
impulse radio, ultra-wideband, wireless optics, hybrid radio frequency 
and optical communication systems, sensor and ad hoc networks.

Dr. Xu has served as an associate editor and guest editor for the IEEE 
Transactions on Signal Processing (2006- ), IEEE Journal of Selected 
Topics in Signal Processing (2007), IEEE Communications Letters (2002-
2005), and IEEE Transactions on Vehicular Technology (2002-2006). He has
been an elected member of the IEEE Signal Processing Society's Technical
Committee on Signal Processing for Communications (2004- ). He has
served as a session chair and technical program committee member for
many international conferences. He received the Outstanding Student
Award and the Motorola Scholarship from Tsinghua University, and the
Peskin Award from Stevens Institute of Technology. He also received the
Academic Senate Research Award and the Regents' Faculty Award from the
University of California, Riverside.