中文摘要：

Peng Xu was born in 1981. He received the M.S. degree in communication and information system from Northeastern University, Shenyang, China, in 2008. Now he is working for his Ph.D. degree at Northeastern University. His research interests include next-generation wireless mobile communication technology and OFDM channel identification. E-mail： xp024@ 126.com Jinkuan Wang was born in 1957. He received the Ph.D. degree from the University of Electro-Communications, Japan, in 1993. He has been a professor in School of Information Science and En- gineering at Northeastern University, China, since 1998. His main interests are adaptive signal processing, key technology in wireless mobile commu- nication, network architecture based on virtualization technology, guidanuce and intelligent control. E-mail： wjk@ mail.neuq.edu.cn Feng Qi was born in 1981. He got his M.S. degree in the Department of Electrical Engineering, Katholieke Universiteit Leuven, Belgium. Now he is doing his Ph.D. research in ESAT-Telemic in the same university. His research interests include quasi-optical imaging system, antenna and antenna array design in the region of microwave and millimeter wave. E-mail： feng.qi @ esat.kuleuven.be