Abstract

AbstractEfficient topology control of wireless sensor networks is very important to reduce the energy consumption and prolong the system lifetime. In this paper, a novel topology control algorithm based on the polymorphic ant colony (PAC) working with different control rules is proposed and evaluated. The queen ant dynamically remodels the networks clustering structure based its cost function. The worker ants and the scout ants control their communication model based on their optimal expectation and real-time pheromone. With the mechanism, the energy consumption level for the nodes composed of worker ants and scout ants can be reduced. The simulation results demonstrate that the proposed algorithm can effectively reduce the energy consumption and prolong the system lifetime.KeywordsWireless Sensor NetworksTopology Control AlgorithmPolymorphic Ant ColonyEnergy ConsumptionSystem Lifetime

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