Scalability and Tracking Issues In Wireless Distributed Sensor Network

Research work in the field of Wireless Sensor Networks(WSNs) is represented by a broad spectrum of applications, ranging from environmental monitoring to motion or tracking monitoring. Wireless sensor networks solved many distributed system problems related to scalability and real-time performance, which offer obvious advantages for systems with a large number of components. This system provides a good performance for any time and dose without degrading the degree of performance with the increased system size. In this paper, we present some of detection and tracking protocols defined in sensors over distributed tracking networks. The paper concludes by presenting recent research results in tracking methods, collaborative signal and information processing, tracking multiple moving objects in sensor fields,target classification and location.