Yan Sun received her B.S. degree from Beijing University, Beijing, China, in 1998. She is expecting to get her Ph.D. degree in Electrical Engineering at the University of Maryland, College Park, in June 2004. Ms. Sun received the Graduate School Fellowship at the University of Maryland from 1998 to 1999, and the Excellent Graduate Award of Beijing University in 1998. Her research interests include network security, wireless communications and networking, and multimedia signal processing. She is a member of the IEEE Signal Processing and Communication Societies.