Key result
Novel phase- and frequency-diversity Doppler radar topologies successfully overcome null detection in vital signs monitoring.
Why the study?
Vital signs detection using Doppler radar faces the problem of null detection, which the study aims to overcome using phase and frequency diversity.
Comparison
Four Doppler radar topologies based on phase and frequency diversity vs traditional I/Q demodulation and double-sideband transmission
Design
Development and empirical characterization of radar topologies to validate proposed methods
Authors
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May support reliable contactless vital signs monitoring; leaves open prospective clinical validation in cardiovascular settings.
The proposed Doppler radar topologies using phase and frequency diversity offer an alternative to I/Q demodulation for overcoming null detection in remote vital signs monitoring.
Girbau et al. (2011) studied Vital signs detection. Doppler radar topologies based on phase and frequency diversity vs. I/Q demodulation and double-sideband transmission was evaluated. Four Doppler radar topologies based on phase and frequency diversity were proposed and validated to overcome null detection in vital signs monitoring.
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