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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

A Collision-aware MAC Protocol for Efficient Performance in Wireless Sensor Networks

Author 1: Hamid Hajaje
Author 2: Mounib Khanafer
Author 3: Zine El Abidine Guennoun
Author 4: Junaid Israr
Author 5: Mouhcine Guennoun

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2021.0120343

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 12 Issue 3, 2021.

  • Abstract and Keywords
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Abstract: Both IEEE 802.11 and IEEE 802.15.4 standards adopt the CSMA-CA algorithm to manage contending nodes’ access to the wireless medium. CSMA-CA utilizes the Binary Exponential Backoff (BEB) scheme to reduce the probability of packet collisions over the communication channel. However, BEB suffers from unfairness and degraded channel utilization, as it usually favors the last node that succeeded in capturing the medium to send its packets. Also, BEB updates the size of the contention window in a deterministic fashion, without taking into consideration the level of collisions over the channel. The latter factor has a direct impact on the channel utilization and therefore incorporating it in the computation of the contention window’s size can have positive impacts on the overall performance of the backoff algorithm. In this paper, we propose a new adaptive backoff algorithm that overcomes the shortcomings of BEB and outperforms it in terms of channel utilization, power conservation, and reliability, while preserving the fairness among nodes. We model our algorithm using Markov chain and validate our system through extensive simulations. Our results show a promising performance for an efficient backoff algorithm.

Keywords: Wireless sensor networks; beacon-enabled IEEE 802.15.4; binary exponent backoff; adaptive backoff; fairness; power consumption; reliability; channel utilization

Hamid Hajaje, Mounib Khanafer, Zine El Abidine Guennoun, Junaid Israr and Mouhcine Guennoun, “A Collision-aware MAC Protocol for Efficient Performance in Wireless Sensor Networks” International Journal of Advanced Computer Science and Applications(IJACSA), 12(3), 2021. http://dx.doi.org/10.14569/IJACSA.2021.0120343

@article{Hajaje2021,
title = {A Collision-aware MAC Protocol for Efficient Performance in Wireless Sensor Networks},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2021.0120343},
url = {http://dx.doi.org/10.14569/IJACSA.2021.0120343},
year = {2021},
publisher = {The Science and Information Organization},
volume = {12},
number = {3},
author = {Hamid Hajaje and Mounib Khanafer and Zine El Abidine Guennoun and Junaid Israr and Mouhcine Guennoun}
}


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