Research Article
An Ultra-low-Power Integrated Heartbeat Detector for Wearable Sensors
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@INPROCEEDINGS{10.1007/978-3-030-64991-3_14, author={Antoine Gautier and Marine Dael and Robin Benarrouch and Benoit Larras and Antoine Frapp\^{e}}, title={An Ultra-low-Power Integrated Heartbeat Detector for Wearable Sensors}, proceedings={Body Area Networks. Smart IoT and Big Data for Intelligent Health. 15th EAI International Conference, BODYNETS 2020, Tallinn, Estonia, October 21, 2020, Proceedings}, proceedings_a={BODYNETS}, year={2020}, month={12}, keywords={Heartbeat detection Integrated circuit design 2-electrode sensing FD-SOI technology}, doi={10.1007/978-3-030-64991-3_14} }- Antoine Gautier
Marine Dael
Robin Benarrouch
Benoit Larras
Antoine Frappé
Year: 2020
An Ultra-low-Power Integrated Heartbeat Detector for Wearable Sensors
BODYNETS
Springer
DOI: 10.1007/978-3-030-64991-3_14
Abstract
To optimize energy consumption in wearable sensor networks, an efficient scheme is to set the sensors in sleep mode and wake them up to engage communication. However, synchronicity between the sensors needs to be assured by always-on local oscillators. This work proposes a different topology that takes advantage of the heart beat to wake-up wearable sensors. The electrocardiogram (ECG) is detected by two probes and then converted into a pulse signal. Using 28-nm FD-SOI CMOS technology, this solution is implemented on a circuit consuming 19 nW at a 900 mV supply voltage, hence suitable for long term and wearable applications.
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