1. Center for Telecommunication Research, School of Postgraduate Studies and Research, Sri Lanka Technological Campus, Padukka, Sri Lanka
2. Division of Information and Computing Technology, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
3. Department of Information Technology, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia