1. Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, India
2. Electrical, Electronic, and Communications Engineering Department, Public University of Navarra, Pamplona, Spain
3. Nadetech Innovations, S.L. Polígono Arbide, Noain, Spain
4. Institute of Smart Cities, Jeronimo de Ayanz R&D Center, Public University of Navarra, Pamplona, Spain