1. Department of Management Information Systems, Bogazici University, Bebek, Istanbul, Turkey
2. Department of Electrical and Electronics Engineering, Bogazici University, Bebek, Istanbul, Turkey
3. Department of Telecommunications, Faculty of Electrical Engineering and Communication, Brno University of Technology, Brno, Czech Republic
4. Department of Electronics and Telecommunication, Symbiosis Institute of Technology (Sit), Symbiosis International University, Pune, India