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On Architecture of Self-Sustainable Wearable Sensor Node for IoT Healthcare Applications

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Abstract

In healthcare applications, the remote monitoring of moving patients depends on wearable nodes that should be mobile. Thus, wearable nodes should be power mains-disconnected most of the time to enable natural wandering of patients in the area. Thus, easy-to-use models are utilized in a seamless way. From this perspective, it becomes necessary to develop a generation of wearable nodes that are energy self-sustainable with minimal dependency on fixed power sources and also more safe in light of world health organization recommendations. In this paper, a solar energy harvesting technique is proposed to provide a mains power supply for an independent continuous operation of a patient monitoring node in sunny environments. A case study is built experimentally whereas the proposed designed node is architected as a combined node that enables parallel measurements of heart rate, blood oxygen saturation (SpO2), and body temperature. The experimental results show that the wearable node can survive more than 28 h without battery recharging from the mains. While the charging time of the battery from the solar energy harvesting is approximately 2 h.

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No funding was received to assist with the preparation of this manuscript.

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Authors and Affiliations

  1. Faculty of Engineering, Ain Shams University, Cairo, Egypt

    Saeed Mohsen, Abdelhalim Zekry & Mohamed Abouelatta

  2. Faculty of Navigation Science and Space Technology, Beni-Suef University, Cairo, Egypt

    Khaled Youssef

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  1. Saeed Mohsen
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  2. Abdelhalim Zekry
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  3. Khaled Youssef
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  4. Mohamed Abouelatta
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Correspondence to Saeed Mohsen.

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Mohsen, S., Zekry, A., Youssef, K. et al. On Architecture of Self-Sustainable Wearable Sensor Node for IoT Healthcare Applications. Wireless Pers Commun 119, 657–671 (2021). https://doi.org/10.1007/s11277-021-08229-1

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