Kewen Xia received his Ph.D. degree in Electronics from Xi'an Jiaotong University (XJTU), China, in 2003. His postdoctoral research was finished in the Computer Department of XJTU in 2006. From June 2010 to June 2011, he worked as a research scholar of Electronics at the University of Illinois at Urbana-Champaign, U.S.A. Now he is a professor and Ph.D. candidate supervisor at the Hebei University of Technology, China. His research interests cover Computational Intelligence and Wireless Communication Technology.