1. Faculty of Engineering and Technology, Multimedia University, Melaka, Malaysia
2. Wireless Communication Centre, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
3. School of Energy and Chemical Engineering, Xiamen University Malaysia, Sepang, Selangor, Malaysia
4. Department of Electrical Engineering, Bayero University Kano, Kano, Nigeria
5. Department of Mechanical Engineering, College of Engineering in Alkharj, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
6. Faculty of Engineering and Technology, Tunku Abdul Rahman University of Management and Technology, Kuala Lumpur, Malaysia