Evaluating battery-less wearable wireless internet of things devices

P. A. Catherwood, S. McLaughlin, J. A.D. McLaughlin

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Wearable wireless Internet of Things (IoT) devices are targeted for the next generation of smart digital consumer electronic solutions. It is desired that future devices do not require regular changing or charging to operate, however most IoT power sources are either disposable or based around rechargeable batteries. As energy harvesting technologies emerge as a potential and attractive solution to this issue this paper presents an experimental survey of the best current commercial energy harvesting solutions, determining how realistic energy harvesting technology is for current and future wearable devices. It explores empirical results for thermoelectric harvesting (using body heat), RF harvesting (at 915 MHz), and photovoltaic techniques in the context of body-centric wireless nodes. These have several advantages when compared to other forms of energy harvesting (such as mechanical-based harvesters) as they require minimal maintenance and have no moving parts which offers long lasting reliability and noise free operation. The results indicate a significant issue for realising the next generation of wearable wireless solutions and thus reviews the future advances in this area to understand how bleak the horizon really looks for body-centric battery-less wireless solutions.

Original languageEnglish
Title of host publicationIET Conference Publications
PublisherInstitution of Engineering and Technology
EditionCP746
ISBN (Electronic)9781785618161, 9781785618437, 9781785618468, 9781785618871, 9781785619427, 9781785619694, 9781839530036
ISBN (Print)9781785617911
Publication statusPublished - 2018
EventLoughborough Antennas and Propagation Conference 2018, LAPC 2018 - Loughborough, United Kingdom
Duration: 12 Nov 201813 Nov 2018

Publication series

NameIET Conference Publications
NumberCP746
Volume2018

Conference

ConferenceLoughborough Antennas and Propagation Conference 2018, LAPC 2018
CountryUnited Kingdom
CityLoughborough
Period12/11/1813/11/18

Keywords

  • Energy harvesting
  • Internet of things
  • Wearables

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