Simulation Research of Wireless Sensor Netwok Based on article Swarm Optimization
Lin Li · Jisuanji fangzhen · 2010
In the cluster-based routing protocols,it depends on the reasonable selection of cluster heads to prolong the life cycle of the sensor networks. But the existing algorithms are prone to lead the nodes in clusters to die early due to ignoring the state of neighbors in the process of cluster-heads decision. A new cluster-based algorithm using Particle swarm optimization is proposed to optimize clustering process. The election of cluster-heads needs synthetically consider the state information including location and energy reserved about candidates and their neighbors. The results show that particle swarm optimization outperforms LEACH because of significantly prolonging the networks lifetime,efficiently balancing the networksenergy dissipation,and efficiently delaying the occurrence time of dead nodes.