Real time heart rate and breathing detection using commercial motion sensors

In this demo, we present a contactless breathing and heart rate sensing system that continuously and unobtrusively tracks physiological signals using commercial off-the-shelf radar modules. Our system provides a single sensor solution to track physical and physiological variables including coarse body movements as well as subtle and fine-grained chest movements due to breathing and heartbeat. Continuous tracking of these physiological variables especially, throughout the night can be used for sleep stage mining.

[1]  Jenshan Lin,et al.  Frequency-tuning technique for remote detection of heartbeat and respiration using low-power double-sideband transmission in the ka-band , 2006, IEEE Transactions on Microwave Theory and Techniques.

[2]  Changzhi Li,et al.  Design Guidelines for Radio Frequency Non-contact Vital Sign Detection , 2007, 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

[3]  Yong Huang,et al.  Microwave life-detection systems for searching human subjects under earthquake rubble or behind barrier , 2000, IEEE Transactions on Biomedical Engineering.

[4]  Jenshan Lin,et al.  Range correlation and I/Q performance benefits in single-chip silicon Doppler radars for noncontact cardiopulmonary monitoring , 2004, IEEE Transactions on Microwave Theory and Techniques.

[5]  Jenshan Lin,et al.  0.25 /spl mu/m CMOS and BiCMOS single-chip direct-conversion Doppler radars for remote sensing of vital signs , 2002, 2002 IEEE International Solid-State Circuits Conference. Digest of Technical Papers (Cat. No.02CH37315).

[6]  J.C. Lin Noninvasive microwave measurement of respiration , 1975, Proceedings of the IEEE.