1. Communication Technology Section, British Malaysian Institute, Universiti Kuala Lumpur, Gombak, Selangor, Malaysia
2. Department of Electrical and Computer Engineering, King Abdulaziz University, Jeddah, Saudi Arabia
3. Department of Electronic Engineering, Faculty of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia, Parit Raja, Batu Pahat, Johor, Malaysia
4. Electrical and Computer Engineering Program, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia