Abstract
This communication investigates the effects of antenna radiation parameters on the detection capabilities of a continuous-wave 2.4-GHz Doppler radar used in noncontact heart rate monitoring systems. Four different types of patch antennas and array configurations were implemented on the transmitter and receiver sides. Extensive experiments using a linear actuator were performed, and several important observations were reported. A specific configuration of antennas was shown to result in the highest signal quality and system performance. Proof-of-concept experiments on human subjects further validated the suggested results, showing that the recommended antenna arrangement boosts the radar detection accuracy by an average of 11%.
| Original language | English |
|---|---|
| Article number | 7903581 |
| Pages (from-to) | 3296-3301 |
| Number of pages | 6 |
| Journal | IEEE Transactions on Antennas and Propagation |
| Volume | 65 |
| Issue number | 6 |
| DOIs | |
| State | Published - 2017 |
Keywords
- Antenna characterization
- Circular polarization (CP)
- Doppler radar
- Heart rate monitoring
- Noncontact monitoring
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