Wireless Sensing of Human Respiratory Parameters by Low-Power Ultrawideband Impulse Radio Radar. - Joshua C. Y. Lai; Ying Xu; Erry Gunawan; E. C. Chua; Arash Maskooki; Yong Liang Guan 001; Kay Soon Low; Cheong Boon Soh; Chueh-Loo Poh (IEEE Trans. Instrum. Meas., 2011)