Diagnosis of sleep apnea by the analysis of heart rate variation: A mini review. - Junichiro Hayano; Eiichi Watanabe; Yuji Saito; Fumihiko Sasaki; Kiyohiro Kawai; Itsuo Kodama; Hiroki Sakakibara (EMBC, 2011)

Channel state based secure wireless communication. - Katsuhiro Naito; Hiroki Sakakibara; Yosuke Mukai; Kazuo Mori; Hideo Kobayashi (INFOCOM Workshops, 2016)