Dr. Han Zhang received the Ph.D. degree from the School of Information Science Technology, Sun Yat-sen University, China. Since 2009, he has been with the Department of Physics and Telecommunications Engineering, South China Normal University, China, where he is currently a Professor. From 2012 to 2013, he was a Senior Research Associate with the Department of Electrical Engineering, City University of Hong Kong. He holds the positions of the Chief Scientist and a Technical Advisor in several high-technology enterprises in China. His research interests include signal processing for the Internet of Things and biomedical engineering.