1. Department of Information and Communication Engineering, College of Information Engineering, Al-Nahrain University, Baghdad, Iraq
2. International Applied and Theoretical Research Center (IATRC), Baghdad, Iraq
3. Department of Signal Theory and Communications, Universidad Carlos III de Madrid, Leganés, Madrid, Spain
4. Center for Communications Technology, London Metropolitan University, London, U.K
5. Department of Electronics and Communication Engineering, College of Engineering, University of Kufa, Najaf, Iraq
6. Department of Electrical Engineering, College of Engineering, Mustansiriyah University, Baghdad, Iraq
7. Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Saudi Arabia
8. Department of Electrical and Electronics Engineering, Dogus University, Istanbul, Turkey
9. Department of Engineering, University of Palermo, Palermo, Italy
10. Department of Electronics and Communications Engineering, Yildiz Technical University, Esenler, Turkey
11. Faculty of Engineering and Architecture, Kore University of Enna, Enna, Italy
12. School of Computing, Engineering and the Built Environment, Edinburgh Napier University, Edinburgh, U.K
13. Department of Electronic Engineering, University of Rome Tor Vergata, Rome, Italy