Hamza Kiani, Adnan Nadeem, Nosherwan Shoab, Research Institute for Microwave and Millimeter-Wave Studies, National University of Sciences & Technology, Pakistan; Abdul Quddious, KIOS Research and Innovation Center of Excellence, University of Cyprus, Cyprus; David Chatzichristodoulou, RF and Microwave Solutions LTD, Cyprus, Cyprus; Dimitra Psychogiou, School of Engineering, University College Cork, Cork, T12 K8AF, Ireland, Ireland; Photos Vryonides, Symeon Nikolaou, Frederick Research Center, Nicosia, Cyprus, Cyprus