A New Direction for Biosensing: RF Sensors for Monitoring Cardio-Pulmonary Function [chapter]

Ju Gao, Siddharth Baskar, Diyan Teng, Mustafa al'Absi, Santosh Kumar, Emre Ertin
<span title="">2017</span> <i title="Springer International Publishing"> Mobile Health </i> &nbsp;
Long-term monitoring of physiology at large-scale can help determine potential causes and early biomarkers of chronic diseases. Physiological monitoring today, however, requires wearing of sensors such as electrodes for ECG and belt around lungs for respiration, and is unsuitable for monitoring of patients and healthy adults over multiple years. In this chapter, we review advances in a novel sensing modality using radio frequency (RF) waves that can provide physiological measurements without
more &raquo; ... n contact in both lab and field environments. This chapter presents fundamentals of RF biosensing with experimental results of a new experimental bioradar platform illustrating the concepts. The focus is on new approaches to monitor heart motion and respiratory effort. Experimental results using both an articulated heart phantom and human subjects show that RF sensing modality can match the performance of state-of-the-art physiological monitoring devices in terms of retrieving features and statistics of clinical significance.
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