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An Adaptive Clustering Scheme for Mobile Ad-Hoc Networks

While Mobile Ad-Hoc Networks (MANET) has many characteristics that are a challenge to manage, like bandwidth and power constraints, dynamic topology, etc adaptability is a key issue in the successful operation of a MANET. Unfortunately, this feature of MANET have not been investigated and optimized in great detail in the past. Hence, this provides an ideal opportunity and so forms the heart of this paper. It attempts to initiate such an adaptability study, by introducing a performance metric called Performance Factor (PF). The PF directly investigates the performance of a link by considering the bandwidth available to a link and distance between the Cluster head and the user node. An algorithm is proposed that utilizes this performance metric to ensure that all nodes receive optimum performance while ensuring an optimum number of clusters is maintained. General Terms Mobile Ad-hoc Networks, Clustering