Daisuke Hayashi received Ph.D. degree from the Graduate University for Advanced Studies, Japan, in 2019. Since 2002, he has worked at Koden Electronics Co., Ltd, Tokyo, and is involved in the research and development of direction-finding systems and marine radars. His research interests are in monitoring systems for the fisheries, agriculture and disaster prevention industries, with a particular interest in sensing using radio, light and acoustic waves. He is a member of the IEICE.