Dr Craig Thomson C.Thomson3@napier.ac.uk
Lecturer
Dr Craig Thomson C.Thomson3@napier.ac.uk
Lecturer
Dr Isam Wadhaj I.Wadhaj@napier.ac.uk
Lecturer
Dr Thomas Tan Z.Tan@napier.ac.uk
Associate Professor
Prof Ahmed Al-Dubai A.Al-Dubai@napier.ac.uk
Professor
The hotspot issue in wireless sensor networks, with nodes nearest the sink node losing energy fastest and degrading network lifetime, is a well referenced problem. Mobile sink nodes have been proposed as a solution to this. This does not completely remove the hotspot problem though, with nodes the sink passes most closely still expending more energy than others. This study proposes a lightweight algorithm, located in the MAC layer of static nodes and utilising knowledge of predictable sink node mobility. This in order to create a dynamic communication threshold between static nodes and the sink, within which static nodes awaken. Lessening competition for sink communication between nodes. In utilising predictable mobility and factors already known to the static node, such as location and interference range, there is no need for energy consuming messaging. Analysis and simulation results, tested on a lightweight implementation of a carrier-sense multiple access based MAC protocol, shows a significant improvement in energy consumption in both controlled and random environments. With frame delivery improved to the point where sink speed is negated. This when compared to the existing duty cycling approach.
Thomson, C., Wadhaj, I., Tan, Z., & Al-Dubai, A. (2019). Mobility Aware Duty Cycling Algorithm (MADCAL) A Dynamic Communication Threshold for Mobile Sink in Wireless Sensor Network. Sensors, 19(22), Article 4930. https://doi.org/10.3390/s19224930
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 8, 2019 |
Online Publication Date | Nov 12, 2019 |
Publication Date | Nov 12, 2019 |
Deposit Date | Nov 8, 2019 |
Publicly Available Date | Nov 13, 2019 |
Journal | Sensors |
Electronic ISSN | 1424-8220 |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 19 |
Issue | 22 |
Article Number | 4930 |
DOI | https://doi.org/10.3390/s19224930 |
Keywords | duty cycling; mobile sink; mobility awareness; wireless sensor network; dynamic threshold |
Public URL | http://researchrepository.napier.ac.uk/Output/2299407 |
Mobility Aware Duty Cycling Algorithm (MADCAL) A Dynamic Communication Threshold for Mobile Sink in Wireless Sensor Network
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c 2019 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/).
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