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In Wireless Sensor Networks (WSN), sensor node deployment is essential for maximizing the coverage and detection probabilities. But the existing optimization solution suffers from limited energy storage, node death, increased network traffic etc. To solve these issues, the authors propose a multi-objective PSO and fuzzy based optimization model for sensor node deployment. The objectives considered in the paper include maximizing network coverage, connectivity and network lifetime. A fuzzy rule is constructed with the input parameters such as node degree, link quality and residual energy. Depending upon the outcome of the fuzzy logic, the nodes are categorized into good, normal and bad.
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