Previously he was a visiting assistant professor in the Electrical and Computer Engineering Department, University of Miami, Coral Gables, FL, from 2002 to 2003. His research interests include information theory, wireless communication systems and networks, and image/video compression and communications. He received the B.S. degree in electrical power engineering from Tsinghua University, Beijing, in 1996, and the M.S. and Ph.D. degrees in electrical engineering from Rensselaer Polytechnic Institute, Troy, NY, in 1999 and 2002, respectively. He is a member of IEEE and ACM.