1. Advanced Communication Engineering (ACE) CoE, Faculty of Electronic Engineering Technology, Universiti Malaysia Perlis, Arau, Perlis, Malaysia
2. Department of Computer Engineering and Networks, College of Engineering in Wadi Alddawasir, Prince Sattam Bin Abdulaziz University, Wadi Alddawasir, Saudi Arabia
3. Faculty of Electronic Engineering Technology, Universiti Malaysia Perlis, Arau, Perlis, Malaysia
4. Centre for Wireless Communications (CWC), University of Oulu, Oulu, Finland
5. Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica (DIMES), University of Calabria, Arcavacata di Rende (CS), Italy
6. Department of Electrical Engineering, King Saud University, Riyadh, Saudi Arabia