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On the design of an energy-harvesting noise-sensing WSN mote
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Tan, Wilson M. and Jarvis, Stephen A. (2014) On the design of an energy-harvesting noise-sensing WSN mote. EURASIP Journal on Wireless Communications and Networking, Volume 2014 . Article number 167. doi:10.1186/1687-1499-2014-167 ISSN 1687-1499.
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Official URL: http://dx.doi.org/10.1186/1687-1499-2014-167
Abstract
Wireless sensor networks (WSNs) could potentially help in the measurement and monitoring of noise levels, an important step in mitigating and fighting noise pollution. Unfortunately, the high energy required by the noise measurement process and the reliance of sensor motes on batteries make the management of noise-sensing WSNs cumbersome. Giving motes energy harvesting (EH) capabilities could alleviate such a problem, and several EH-WSNs have already been demonstrated. Nevertheless, the high-frequency nature of the data required to measure noise places significant additional challenges to the design of EH-WSNs. In this paper, we present a design and prototype for a mote extension which enables the mote to detect noise levels while being powered by energy harvesting. The noise level detection carried out by the system relies primarily on the concept of peak detection. Results of performance testing are presented. Aside from the hardware design and prototype, we also discuss methods of assigning charge times for application scenarios where there are multiple pulse loads. We also propose a new opportunistic method for charge time determination. Experiments demonstrate that the new method could improve analytically-derived duty cycles by at least 350%.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TD Environmental technology. Sanitary engineering T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science Faculty of Science, Engineering and Medicine > Engineering > Engineering |
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Library of Congress Subject Headings (LCSH): | Wireless sensor networks, Energy harvesting, Noise pollution | ||||||||
Journal or Publication Title: | EURASIP Journal on Wireless Communications and Networking | ||||||||
Publisher: | SpringerOpen | ||||||||
ISSN: | 1687-1499 | ||||||||
Official Date: | 14 October 2014 | ||||||||
Dates: |
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Volume: | Volume 2014 | ||||||||
Number of Pages: | 18 | ||||||||
Article Number: | Article number 167 | ||||||||
DOI: | 10.1186/1687-1499-2014-167 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 28 December 2015 | ||||||||
Date of first compliant Open Access: | 28 December 2015 | ||||||||
Funder: | Technology Strategy Board (Great Britain), Engineering Research and Development for Technology (ERDT) | ||||||||
Grant number: | Project 131187/26835-183208 (TSB) | ||||||||
Embodied As: | 1 |
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