Sleep stage classification by body movement index and respiratory interval indices using multiple radar sensors. - Masayuki Kagawa; Noriyuki Sasaki; Kazuki Suzumura; Takemi Matsui (EMBC, 2015)

Sleep stage classification by non-contact vital signs indices using Doppler radar sensors. - Masayuki Kagawa; Kazuki Suzumura; Takemi Matsui (EMBC, 2016)