Boosting the Battery Life of Wearables for Health Monitoring Through the Compression of Biosignals
Journal article
Hooshmand, M, Zordan, D, Del Testa, D, Grisan, E and Rossi, M (2017). Boosting the Battery Life of Wearables for Health Monitoring Through the Compression of Biosignals. IEEE Internet of Things Journal. 4, pp. 1647-1662. https://doi.org/10.1109/JIOT.2017.2689164
Authors | Hooshmand, M, Zordan, D, Del Testa, D, Grisan, E and Rossi, M |
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Abstract | Modern wearable Internet of Things (IoT) devices enable the monitoring of vital parameters such as heart or respiratory (RESP) rates, electrocardiography (ECG), photo-plethysmographic (PPG) signals within e-health applications. A common issue of wearable technology is that signal transmission is power-demanding and, as such, devices require frequent battery charges and this poses serious limitations to the continuous monitoring of vitals. To ameliorate this, we advocate the use of lossy signal compression as a means to decrease the data size of the gathered biosignals and, in turn, boost the battery life of wearables and allow for fine-grained and long-term monitoring. Considering 1-D biosignals such as ECG, RESP, and PPG, which are often available from commercial wearable IoT devices, we provide a thorough review of existing biosignal compression algorithms. Besides, we present novel approaches based on online dictionaries, elucidating their operating principles and providing a quantitative assessment of compression, reconstruction and energy consumption performance of all schemes. As we quantify, the most efficient schemes allow reductions in the signal size of up to 100 times, which entail similar reductions in the energy demand, by still keeping the reconstruction error within 4% of the peak-to-peak signal amplitude. Finally, avenues for future research are discussed. © 2014 IEEE. |
Year | 2017 |
Journal | IEEE Internet of Things Journal |
Journal citation | 4, pp. 1647-1662 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
ISSN | 2327-4662 |
Digital Object Identifier (DOI) | https://doi.org/10.1109/JIOT.2017.2689164 |
Web address (URL) | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85037028569&doi=10.1109%2fJIOT.2017.2689164&partnerID=40&md5=686020b14230598499c8c97d44fd35f1 |
Publication dates | |
09 Oct 2017 | |
Online | 29 Mar 2017 |
Publication process dates | |
Accepted | 19 Mar 2017 |
Deposited | 24 Jan 2020 |
Accepted author manuscript | License File Access Level Open |
https://openresearch.lsbu.ac.uk/item/88y3q
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