Abstract
In wireless sensor networks, the critical issue is the energy efficient utilization of sensor nodes, which can be enhanced through employing clustering techniques. But cluster head (CH) performs intensive assignments, brings about unbalanced energy dissipation and premature death of nodes. An ant-colony based Double Cluster heads Adaptive Periodic Threshold-sensitive Energy Efficient Network protocol (ADCAPTEEN) is proposed for solving the disadvantages in this paper. In which, a master cluster head (MCH) and a vice cluster head (VCH) are selected in each cluster. MCH is selected randomly as same as APTEEN, and VCH is selected according to the pheromone concentration by MCH. The tasks, data collection, fusion, transition, etc., can be performed by the double cluster heads (DCH). This method can reduce CH’s node energy dissipation. Simulation result in OPNET shows that, the proposed algorithm is much better on network lifetime than traditional APTEEN to a large extent.
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