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A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications
A wristwatch-based wireless sensor platform for IoT wearable health monitoring applications is presented. The paper describes the platform in detail, with a particular focus given to the design of a novel and compact wireless sub-system for 868 MHz wristwatch applications. An example application usi...
Autores principales: | , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7147171/ https://www.ncbi.nlm.nih.gov/pubmed/32192204 http://dx.doi.org/10.3390/s20061675 |
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author | Kumar, Sanjeev Buckley, John L. Barton, John Pigeon, Melusine Newberry, Robert Rodencal, Matthew Hajzeraj, Adhurim Hannon, Tim Rogers, Ken Casey, Declan O’Sullivan, Donal O’Flynn, Brendan |
author_facet | Kumar, Sanjeev Buckley, John L. Barton, John Pigeon, Melusine Newberry, Robert Rodencal, Matthew Hajzeraj, Adhurim Hannon, Tim Rogers, Ken Casey, Declan O’Sullivan, Donal O’Flynn, Brendan |
author_sort | Kumar, Sanjeev |
collection | PubMed |
description | A wristwatch-based wireless sensor platform for IoT wearable health monitoring applications is presented. The paper describes the platform in detail, with a particular focus given to the design of a novel and compact wireless sub-system for 868 MHz wristwatch applications. An example application using the developed platform is discussed for arterial oxygen saturation (SpO(2)) and heart rate measurement using optical photoplethysmography (PPG). A comparison of the wireless performance in the 868 MHz and the 2.45 GHz bands is performed. Another contribution of this work is the development of a highly integrated 868 MHz antenna. The antenna structure is printed on the surface of a wristwatch enclosure using laser direct structuring (LDS) technology. At 868 MHz, a low specific absorption rate (SAR) of less than 0.1% of the maximum permissible limit in the simulation is demonstrated. The measured on-body prototype antenna exhibits a −10 dB impedance bandwidth of 36 MHz, a peak realized gain of −4.86 dBi and a radiation efficiency of 14.53% at 868 MHz. To evaluate the performance of the developed 868 MHz sensor platform, the wireless communication range measurements are performed in an indoor environment and compared with a commercial Bluetooth wristwatch device. |
format | Online Article Text |
id | pubmed-7147171 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-71471712020-04-20 A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications Kumar, Sanjeev Buckley, John L. Barton, John Pigeon, Melusine Newberry, Robert Rodencal, Matthew Hajzeraj, Adhurim Hannon, Tim Rogers, Ken Casey, Declan O’Sullivan, Donal O’Flynn, Brendan Sensors (Basel) Article A wristwatch-based wireless sensor platform for IoT wearable health monitoring applications is presented. The paper describes the platform in detail, with a particular focus given to the design of a novel and compact wireless sub-system for 868 MHz wristwatch applications. An example application using the developed platform is discussed for arterial oxygen saturation (SpO(2)) and heart rate measurement using optical photoplethysmography (PPG). A comparison of the wireless performance in the 868 MHz and the 2.45 GHz bands is performed. Another contribution of this work is the development of a highly integrated 868 MHz antenna. The antenna structure is printed on the surface of a wristwatch enclosure using laser direct structuring (LDS) technology. At 868 MHz, a low specific absorption rate (SAR) of less than 0.1% of the maximum permissible limit in the simulation is demonstrated. The measured on-body prototype antenna exhibits a −10 dB impedance bandwidth of 36 MHz, a peak realized gain of −4.86 dBi and a radiation efficiency of 14.53% at 868 MHz. To evaluate the performance of the developed 868 MHz sensor platform, the wireless communication range measurements are performed in an indoor environment and compared with a commercial Bluetooth wristwatch device. MDPI 2020-03-17 /pmc/articles/PMC7147171/ /pubmed/32192204 http://dx.doi.org/10.3390/s20061675 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Kumar, Sanjeev Buckley, John L. Barton, John Pigeon, Melusine Newberry, Robert Rodencal, Matthew Hajzeraj, Adhurim Hannon, Tim Rogers, Ken Casey, Declan O’Sullivan, Donal O’Flynn, Brendan A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications |
title | A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications |
title_full | A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications |
title_fullStr | A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications |
title_full_unstemmed | A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications |
title_short | A Wristwatch-Based Wireless Sensor Platform for IoT Health Monitoring Applications |
title_sort | wristwatch-based wireless sensor platform for iot health monitoring applications |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7147171/ https://www.ncbi.nlm.nih.gov/pubmed/32192204 http://dx.doi.org/10.3390/s20061675 |
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