E-mail: lizhiyuan@ ujs.edu.cn,Zhiyuan Li received the PhD degree in telecommunication engineering from Nanjing University of Posts and Telecommunications, China in 2012, MEng degree in computer science from Henan University, China in 2008, BEng degree from Henan Polytechnic University, China in 2005. He is currently an associate professor at School of Computer Science and Telecommunication Engineering in Jiangsu University, China. His current research focuses on wireless networks, ad hoc and sensor networks, and mobile computing. His paper won Best Paper Awards from IEEE UIC-ATC-ScalCom-CBDCom-IoP (2015). He is a member of ACM and IEEE. E-mail: wupanpan@ujs.edu.cn.Panpan Wu received the BEng degree from Dalian Polytechnic University in 2014 and is currently a master student in Jiangsu University. Her research interest includes vehicular networks, delay tolerant networks, and mobile social networks.