1 Wireless and Photonic Networks Research Center, Faculty of Engineering, University Putra Malaysia, 43400 UPM Serdang, Malaysia
2 Institute of Power Engineering, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, 43000 Kajang, Malaysia
3 Department of Physics, Kulliyyah of Science, International Islamic University Malaysia, 25710 Kuantan, Malaysia
4 Razak School of Engineering & Advanced Technology, Universiti Teknologi Malaysia Kuala Lumpur, Jalan Sultan Yahya Petra, 54100 Kuala Lumpur, Malaysia
5 Department of Communication Engineering, Faculty of Electrical and Electronics Engineering Universiti Tun Hussein Onn Malaysia, 86400 Batu Pahat, Malaysia
6 Department of Electrical Engineering, College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia