Department of Electrical Engineering and Electronics, Technical University of Bari, Via E. Orabona 4, Bari, Italy. f.menolascina@ieee.org|Department of Electrical Engineering and Electronics, Technical University of Bari, Via E. Orabona 4, Bari, Italy. f.menolascina@ieee.org|Department of Electrical Engineering and Electronics, Technical University of Bari, Via E. Orabona 4, Bari, Italy. f.menolascina@ieee.org|Department of Electrical Engineering and Electronics, Technical University of Bari, Via E. Orabona 4, Bari, Italy. f.menolascina@ieee.org|Department of Electrical Engineering and Electronics, Technical University of Bari, Via E. Orabona 4, Bari, Italy. f.menolascina@ieee.org|Department of Electrical Engineering and Electronics, Technical University of Bari, Via E. Orabona 4, Bari, Italy. f.menolascina@ieee.org|Department of Electrical Engineering and Electronics, Technical University of Bari, Via E. Orabona 4, Bari, Italy. f.menolascina@ieee.org