1 School of Computing, Engineering and the Built Environment, Edinburgh Napier University, Edinburgh, EH10 5DT, UK.
2 Department of Electrical Engineering, College of Engineering, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia. hegmohamed@pnu.edu.sa.
3 School of Internet of Things, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, Jiangsu Province, China.
4 Faculty of Engineering and Informatics, University of Bradford, Bradford, BD7 1DP, UK.
5 Department of Physics, College of Engineering, Princess Nourah Bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia.
6 Department of Electronics & Communication, Air Defense College, Alexandria University, Alexandria, Egypt.