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A quality of service driven approach for clustering in mobile ad hoc networks based on metrics adaptation : looking beyond clustering

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El-Bazzal, Zouhair, Kadoch, Michel, Agba, Basile L., Haidar, Mohamad et Gagnon, François. 2008. « A quality of service driven approach for clustering in mobile ad hoc networks based on metrics adaptation : looking beyond clustering ». Journal of Communications Software and Systems, vol. 4, nº 4. pp. 254-265.
Compte des citations dans Scopus : 2.

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Résumé

Recently, research topics are focusing on clustering approaches for Ad hoc networks due to their effectiveness in building a virtual backbone formed by a set of suitable clusterheads (CH) to guarantee the communications across clusters. In this paper, we propose a clustering approach to elect suitable nodes’ representatives and to store minimum topology information by reducing the propagation of routing information which facilitates the spatial reuse of resource and increase the system capacity. The clusters must adapt dynamically to the environment changes, we also propose a distributed maintenance procedure that allows managing nodes’ adhesion, nodes’ handoff and CHs’ re-election. Based on our analytical model used to estimate the quality of service (QoS) parameters, we implement an admission control algorithm to determine the number of members inside a cluster that can be accommodated while satisfying the constraints imposed by the current applications. This might effectively drive congestion avoidance on the CH and interclusters load-balancing to achieve better network resource utilization. The obtained results will help us to readjust the clustering algorithm metrics in order to provide better maintenance and QoS guarantees depending on the used applications. Through numerical analysis and simulations, we have studied the performance of our model and compared it with that of other existing algorithms. The results demonstrate better performance in terms of number of clusters, number of handoffs, number of transitions (state change) on CHs, QoS parameters, load balancing and scalability. We also observed how the connectivity and the stability are maximized when the number of nodes increases in presence of the mobility.

Type de document: Article publié dans une revue, révisé par les pairs
Informations complémentaires: Identifiant de l'article: 8009
Professeur:
Professeur
Kadoch, Michel
Gagnon, François
Affiliation: Génie électrique
Date de dépôt: 13 juin 2012 18:14
Dernière modification: 04 juill. 2022 21:23
URI: https://espace2.etsmtl.ca/id/eprint/1664

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