Analysis and Comparison of Various Clustering Techniques for Group Management in Mobile Ad Hoc Networks

Galla Divya, Gayam Induvadana, S.Sumathy


Mobile Ad Hoc Networks provide an attracting feature for applications which require rapid exploitation and dynamic reconfiguration. Group management presents a hopeful hypothesis for dynamic, mobile networks by assembling the mobile nodes in order to meet the target functional and non-functional properties. For comprehensive understanding, taxonomy of various clustering techniques and routing protocols, their properties and design features is presented as an outline brief survey. Clustering in mobile ad hoc networks aims to achieve system scalability with cluster heads responsible for maintaining the group. Distributive Mobility Adaptive Clustering algorithm (DMAC) is used to group the mobile nodes and provide communication in the network. The existing DMAC algorithm does not address the issue of updating a node leaving a cluster. A new procedure is incorporated in the existing DMAC algorithm to overcome the drawback. Further, the performance of DMAC algorithm is compared with Lowest ID (LID) and Weighted Clustering Algorithm (WCA). The simulation analysis shows that DMAC outperforms the other two in terms of throughput, packet delivery fraction and normalized routing load. This analysis would be a great source of information for researches with a focus on clustering for group management in mobile ad hoc networks.

Keywords: Clustering, Cluster Heads, Group management, Mobile ad hoc networks, DMAC.

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