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Energy Efficiency has been a main challenge in Wireless Sensor Networks (WSNs) and their applications such as battlefield surveillance, target monitoring etc. Target tracking is one of the most important of these applications. The authors understand the problem of conserving energy of sensor node in WSNs. In this paper, target tracking is done using new algorithm Hope Counting Tracking Algorithm (HCTA) based single hop routing technique and LEACH (Low Energy Adaptive Clustering Hierarchy) based tracking and routing. They simulate cases, HCTA based single hop routing technique and LEACH (Low Energy Adaptive Cluster Hierarchy) based cluster routing on Castalia simulator with same parameter and analyze result.
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