Dr. Gaobiao Xiao received his B.S. and M.S. degrees in electromagnetic theory and microwave techniques from Huazhong University of Science and Technology, Wuhan, China, in 1988, and the National University of Defense Technology, Changsha, China, in 1991, respectively. He received the Ph.D. degree in information and transmission system from Chiba University, Chiba, Japan, in 2002. He joined the department of electric engineering, Hunan University, Changsha, China, in 1991, and as an associate professor since 1996. He worked as a microwave device R&D engineer in a company at Tokyo, Japan, from 2002 to 2004. Since Apr. 2004, he has been in the Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China, and as a full professor since 2020.