Software modem for near field acoustic communication with antenna diversity technique. - Naoki Shinmen; Takuya Aoki; Tadashi Ebihara; Naoto Wakatsuki; Koichi Mizutani (GCCE, 2013)

Design of secure near-field communication for smartphones using sound and vibration. - Saki Nishihara; Naoki Shinmen; Tadashi Ebihara; Koichi Mizutani; Naoto Wakatsuki (GCCE, 2017)