1. Department of Software Engineering, University of Malakand, Lower Dir, Pakistan
2. Telecommunication and Networking (TeleCoN) Research Center, the Faculty of Computer Science and Engineering, GIK Institute of Engineering Sciences and Technology, Swabi, Pakistan
3. School of Computing and Mathematical Sciences, Faculty of Engineering and Science, University of Greenwich, London, U.K.
4. Faculty of Information Technology, Beijing University of Technology, Beijing, China
5. Faculty of Electrical Engineering, GIK Institute of Engineering Sciences and Technology, Swabi, Pakistan
6. Department of Electrical Engineering, University of Engineering and Technology, Mardan, Pakistan
7. School of Electronics and Computer Science, University of Southampton, Southampton, U.K.