The Deployment Method and Movement Control Strategy in Mobile Wireless Sensor Networks

In the fields of deployments in wireless sensor networks, the method of stationary sensor nodes deployed in the area has already been done extensively. However, in a multilayer wireless sensor network, the deployment and movement control strategy for mobile nodes was done little. To guarantee the reliability of the data transmission, this paper proposes a virtual grid partition deployment method, and implements the parallel particle swarm optimization (PPSO) algorithm for the mobile nodes movement control strategy. The simulation results show that the movement control strategy can not only raise the coverage rate of network, but also effectively solve the defects of instable communication and the low utilization ratio of the neighbor nodes caused by the random movement mobile nodes.