Skip to main content

Research Repository

Advanced Search

Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks

Djenouri, Djamel; Bagaa, Miloud

Authors

Miloud Bagaa



Abstract

© 2015 IEEE. This paper deals with power-efficient coverage in wireless sensor networks (WSN) by taking advantage of energy-harvesting capabilities. A general scenario is considered for deployed networks with two types of sensor nodes, harvesting enabled nodes (HNs), and none-harvesting nodes (NHNs). The aim is to use only the HNs for relaying packets, while NHNs use will be limited to sensing and transmitting their own readings. The problem is modeled using graph theory and reduced to finding the minimum weighted connected dominating set in a vertex weighted graph. A limited number of relay nodes is added at the positions close to the NHNs in the resulted set. The weight function ensures minimizing the number of NHNs in the set, and thus reducing the relay nodes to be added. Our contribution is to consider relay node placement (addition) in energy harvesting WSN, where only HNs are used to forward packets. This is to preserve the limited energy of NHNs. Extensive simulation results show that the proposed relay node addition strategy prolongs the network lifetime, from the double, to factors of several tens of times. This is at a reasonable cost in terms of the number of relay nodes added, which is compared to a lower-bound derived in the paper.

Citation

Djenouri, D., & Bagaa, M. (2015). Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks. https://doi.org/10.1109/ICC.2015.7248303

Conference Name IEEE International Conference on Signal Processing for Communications (ICC)
Conference Location London, UK
Start Date Jun 8, 2015
End Date Jun 12, 2015
Acceptance Date Feb 20, 2015
Online Publication Date Sep 10, 2015
Publication Date Sep 9, 2015
Deposit Date Mar 10, 2020
Publisher Institute of Electrical and Electronics Engineers (IEEE)
Volume 2015-September
Pages 86-91
Series ISSN 1550-3607
ISBN 9781467364324
DOI https://doi.org/10.1109/ICC.2015.7248303
Public URL https://uwe-repository.worktribe.com/output/5639095