1. Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprus
2. RF and Photonics Engineering, Technische Universität, Dresden, Germany
3. Emphasis Research Centre, Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprus
4. Nagoya Institute of Technology, Nagoya, Aichi, Japan
5. National Institute of Information and Communications Technology, Tokyo, Japan
6. Waseda University, Tokyo, Japan
7. Emphasis Research Centre, Nicosia, Cyprus