Abstract
Study has shown that clustering in Wireless Sensor Networks can provide well scalability and robustness. Recently, mobile collector (MC) is exploited to achieve energy saving and reduced latency. In this paper, we propose a mobile data gathering protocol using clustering and controlled mobility techniques. First, we formalize the clustering based approach and its requirement, and then propose a heuristic algorithm aimed at minimizing the number of clusters. After the cluster heads (CHs) are determined, protocol produces MC’s tour along which MC gathers cashed data in CHs in sequence. Simulation analysis shows that the number of CHs is less than other similar schemes and the tour length is shortened, accordingly.
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