中文摘要：

E—mail：jiangzp．cs@gmail．com； Zhi-Ping Jiang is a Ph.D candidate at Xi＇an Jiaotong University, Xi＇an. His research interests include localization, smart sensing, wireless communication, and image processmg Corresponding Author Wei Xi is a postdoctoral research fellow at Xi＇an Jiaotong University. He received his Ph.D. degree in computer science from Xi＇an Jiaotong University in 2014. His main research interests include wireless net-works, smart sensing, and mobile computing. He is a member of CCF, ACM, and IEEE. Xiangyang Li is a professor at the Illinois Institute of Technology. He holds EMC-Endowed Visiting Chair Professorship at Tsinghua University. He currently is distinguished visiting professor at Xi＇an Jiaotong University, University of Science and Technology of China, and Tongji University. Dr. Li received his M.S. and Ph.D. degrees in computer science from University of Illinois at Urbana- Champaign in 2000 and 2001 respectively. His research interests include mobile computing, cyber physical systems, wireless networks, security and privacy, and algorithms. He is a senior member of IEEE and a member of ACM. Shaojie Tang is an assistant professor at the University of Texas at Dallas. He received his Ph.D. degree in computer science from Illinois Institute of Technology in 2013. His research interests include smart grid, sensor network, algorithm, and wireless security. He is a member of IEEE. Ji-Zhong Zhao is a professor at the School of Electronic and Information Engineering Xi＇an Jiaotong University. He got his Ph.D. degree from Xi＇an Jiaotong University in 2001. His research interests include computer software, pervasive computing, distributed systems, net-work security. He is a member of CCF, ACM, and IEEE. Jin-Song Han is currently an associate professor at Xi＇an Jiaotong University. He received his Ph.D. degree in computer science from Hong Kong University of Science and Technology, in 2007. His research interests include pervasive computing, distributed system, and wir