I am a Professor and the chair of Department of Communication Engineering, School of Electronic Information and Communications, Huazhong University of Science and Technology. I received Ph.D. in Computer Science from Department of Electrical Engineering and Computer Science, Case Western Reserve University. Now my research focuses on computer networking, especially, IoT, and mobile computing and sensing. I lead the Networked and Communication Systems Research Group (NEST), Huazhong University of Science and Technology. Here are some of my ongoing projects: Mobile and wireless applications. Geometric algorithms for wireless and sensor networks. Energy-efficient data processing in wireless and sensor networks. Network science.