C. Li, M. Lubecke, O. Boric-lubecke, and J. Lin, A Review on Recent Advances in Doppler Radar Sensors for Noncontact Healthcare Monitoring, IEEE Transactions on Microwave Theory and Techniques, vol.61, issue.5, pp.2046-2060, 2013.
DOI : 10.1109/TMTT.2013.2256924

A. Droitcour, O. Boric-lubecke, V. Lubecke, J. Lin, and G. Kovacs, Range Correlation and<tex>$ I/ Q$</tex>Performance Benefits in Single-Chip Silicon Doppler Radars for Noncontact Cardiopulmonary Monitoring, IEEE Transactions on Microwave Theory and Techniques, vol.52, issue.3, pp.838-848, 2004.
DOI : 10.1109/TMTT.2004.823552

C. Li and J. Lin, Optimal Carrier Frequency of Non-contact Vital Sign Detectors, 2007 IEEE Radio and Wireless Symposium, pp.490-493, 2007.
DOI : 10.1109/RWS.2007.351823