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An optimized and power savings protocol for mobility energy-aware in wireless sensor networks

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Abstract

Mobility management in Wireless Sensor Networks (WSNs) is a complex problem that must be taken into account in all layers of the protocol stack. But this mobility becomes very challenging at the MAC level in order to do not degrade the energy efficiency between sensor nodes that are in communication. However, among medium access protocols, sampling protocols reflect better the dynamics of such scenarios. Nevertheless, the main problem, of such protocols, remains the management of collisions and idle listening between nodes. Previous approaches like B-MAC and X-MAC, based on sampling protocols present some shortcomings. Therefore, we address the mobility issue of WSNs that use as medium access sampling protocols.

Firstly, we propose a mobile access solution based on the X-MAC protocol which remains a reference protocol. This protocol, called MoX-MAC, incorporates different mechanisms that enables to mitigate the energy consumption of mobile sensor nodes. Furthermore, we extend our former work (Ba et al. in Proc. of IEEE WMNC, 2011) by evaluating the lifetime of static nodes with respect to MoX-MAC protocol, as well determine the degree of depletion of static nodes due to the presence of mobile nodes.

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Authors and Affiliations

  1. Faculty of Science and Technology, Department of Mathematics and Computer Science, University Cheikh Anta Diop, Dakar, Senegal

    Papa Dame Ba, Ibrahima Niang & Bamba Gueye

Authors
  1. Papa Dame Ba
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  2. Ibrahima Niang
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  3. Bamba Gueye
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Correspondence to Papa Dame Ba.

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Ba, P.D., Niang, I. & Gueye, B. An optimized and power savings protocol for mobility energy-aware in wireless sensor networks. Telecommun Syst 55, 271–280 (2014). https://doi.org/10.1007/s11235-013-9780-4

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  • DOI: https://doi.org/10.1007/s11235-013-9780-4

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