Wireless Sensor Networks (WSNs) are being increasingly deployed in military, health care, health monitoring,
environmental and several other applications. However, design and deployment of WSNs have several challenges. In this
paper, we present the challenges in deploying WSNs for different applications. The challenges in the design of communication
infrastructure have also been discussed. Effects of using mobile base stations have been discussed for improving
the lifetime of the network.
Keywords: Base Station, Fault Tolerance, Routing, Wireless Sensor Networks.
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