Affiliation: | a Department of Systems Design and Informatics, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, 820-8502, Japanb Department of Electrical and Information Engineering, University of L’Aquila, 67040 Poggio di Roio, L’Aquila, Italyc Department of Electrical and Computer Engineering, Polytechnic Institute of New York University, Six Metrotech Center, Brooklyn, NY 11201, USA |