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In many adverse or dangerous application environments, parameters in path loss model for wireless channel are unknown, and neighbor nodes are unable to range using RSSI. Forcing on this kind of environment, a localization algorithm based on Particle Swarm Optimization and the mobile anchor in sensor networks is proposed in this paper. Localization process is converted into non-linear constraint optimization...
The coverage of wireless sensor networks (WSNs) is one of the most important measurement criteria of QoS. Optimal coverage of sensors is propitious to the maximum possible utilization of the available sensors. It can balance node energy consumption, and elongate network lifetime. In this paper, particle swarm optimization (PSO) approach is applied to maximize the coverage of mobile 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,...
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