1. Department of Software Engineering, University of Malakand, Dir Lower, Pakistan
2. Telecommunication and Networking (TeleCoN) Research Center, Faculty of Computer Science and Engineering, GIK Institute of Engineering Sciences and Technology, Topi, Pakistan
3. School of Computing and Mathematical Sciences, Faculty of Engineering and Science, University of Greenwich, London, U.K.
4. Department of Electrical Engineering, University of Engineering and Technology Mardan, Mardan, Pakistan
5. Faculty of Electrical Engineering, GIK Institute of Engineering Sciences and Technology, Topi, Pakistan
6. School of Computing and Communications, Lancaster University, Lancaster, U.K.
7. Department of Information Systems, University of Maryland, Baltimore County (UMBC), Baltimore, MD, USA