1. School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Nibong Tebal 14300, Malaysia
2. School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Nibong Tebal 14300, Malaysia
3. Networks and Communication Engineering Department, Al Ain University of Science and Technology, Abu Dhabi 112612, United Arab Emirates
4. Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
5. Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan – Jeli Campus, Jeli 17600, Malaysia