A-Long Jin, Faculty of Computer Science, University of New Brunswick, Fredericton, Canada Wei Song, Faculty of Computer Science, University of New Brunswick, Fredericton, Canada Ping Wang, School of Computer Engineering, Nanyang Technological University, Singapore Dusit Niyato, School of Computer Engineering, Nanyang Technological University, Singapore Peijian Ju, Faculty of Computer Science, University of New Brunswick, Fredericton, Canada