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Energy-Efficient Reservation-Based Medium Access Control Protocol for Wireless Sensor Networks

Abstract

In Wireless Sensor Networks (WSNs), a robust and energy-efficient Medium Access Control (MAC) protocol is required for high energy efficiency in harsh operating conditions, where node and link failures are common. This paper presents the design of a novel MAC protocol for low-power WSNs. The developed MAC protocol minimizes the energy overhead of idle time and collisions by strict frame synchronization and slot reservation. It combines a dynamic bandwidth adjustment mechanism, multi-cluster-tree network topology, and a network channel allowing rapid and low-energy neighbor discoveries. The protocol achieves high scalability by employing frequency and time division between clusters. Performance analysis shows that the MAC protocol outperforms current state-of-the-art protocols in energy efficiency, and the energy overhead compared to an ideal MAC protocol is only 2.85% to 27.1%. The high energy efficiency is achieved in both leaf and router nodes. The models and the feasibility of the protocol were verified by simulations and with a full-scale prototype implementation.

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Correspondence to Jukka Suhonen.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kohvakka, M., Suhonen, J., Hämäläinen, T.D. et al. Energy-Efficient Reservation-Based Medium Access Control Protocol for Wireless Sensor Networks. J Wireless Com Network 2010, 878412 (2010). https://doi.org/10.1155/2010/878412

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  • DOI: https://doi.org/10.1155/2010/878412

Keywords

  • Energy Efficiency
  • Wireless Sensor Network
  • Medium Access Control
  • Idle Time
  • Medium Access Control Protocol