Why the study?
Remote home monitoring via wearables is rapidly gaining popularity as complex vital signs recording and data analytics are embedded into single system-on-chips, alongside novel non-contact sensing paradigms.
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Design
Review
Non-contact sensing extends remote vital signs monitoring; leaves open prospective validation before clinical adoption in cardiology.
Remote home monitoring via wearables is rapidly gaining popularity, thanks to ever more complex vital signs recording and data analytics that are embedded into single devices. True system-on-chips (SoCs) push the envelope of power and form factor, while wearables are becoming more common-place, novel health sensing paradigms appear. Non-contact sensing technologies enable vital signs sensing without requiring any physical contact with the human body. This article reviews existing multiple-modality bio-signal recording and processing SoCs, circuit techniques for individual bio-signal readout channels including electrocardiography (ECG), Electroencephalography (EEG), Bio-impedance (BioZ), photoplethysmography (PPG), and non-contact sensing with high user comfort. The state-of-the-art wearable sensor interfaces and systems together with future development trends are provided.
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Lin et al. (2020) studied this question.
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