Techniques to Preserve Source Location Privacy in Wireless Sensor Networks

Computer Science and Engineering

Wireless Sensor Network (WSN) has made it’s impact on various fields like Military, Wildlife protection and many other . In WSN sensor nodes are deployed over a region , nodes which senses the changes within it’s range and sends the information to sink . We need to provide privacy to source node from intruder , who may trace the location of source node and steal more information .While monitoring the target, the revealed information about the subject can be misused by the adversary. Hence, our aim is to hide the source location from the adversary. It is quite difficult to efficiently achieve the source location privacy although the confidentiality of the messages can be well assured through data encryption. In WSN, the source location privacy is more complex due to the fact that the nodes comprise energy efficient and less computational and less storageable devices. In this paper, we provide various techniques like Random Walk, Multiple Phantom Node, Base Line Flooding, STaR routing to preserve the location of source node from intruder.

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