A ka-band low power Doppler radar system for remote detection of cardiopulmonary motion

Yanming Xiao; Jenshan Lin; Olga Boric-Lubecke; Victor Lubecke

doi:10.1109/IEMBS.2005.1616156

A ka-band low power Doppler radar system for remote detection of cardiopulmonary motion

Conf Proc IEEE Eng Med Biol Soc. 2005:2005:7151-4. doi: 10.1109/IEMBS.2005.1616156.

Authors

Yanming Xiao¹, Jenshan Lin, Olga Boric-Lubecke, Victor Lubecke

Affiliation

¹ University of Florida, Gainesville, FL, 32611, USA.

PMID: 17281925
DOI: 10.1109/IEMBS.2005.1616156

Abstract

A low power Ka-band Doppler radar that can detect human heartbeat and respiration signals is demonstrated. This radar system achieves better than 80% detection accuracy at the distance of 2-m with 16-μW transmitted power. Indirect-conversion receiver architecture is chosen to reduce the DC offset and 1/f noise that can degrade signal-to-noise ratio and detection accuracy. In addition, the radar has also demonstrated the capability of detecting acoustic signals.