Efficient and Accurate Target Sensor Tracking in Wireless Sensor Networks
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2014, Vol 16, Issue 5
Abstract
Abstract: In the tracking scheme illustrated, where the sensors are deployed in a triangular fashion in a hexagonal mesh such that the hexagon is divided into a number of equilateral triangles. Where the technique is used for detection is the trilateration technique in which intersection of three circles is used to determine through the object location. While the object was tracked by the three sensors, distance where it from a fourth sensor and it is also being calculated simultaneously. Here the difference is that closest of three sensors detect at a frequency of one second while the fourth sensor detects the object location at twice the frequency. By using the distance information from the fourth sensor and a simple mathematical technique, location of object is to be predicted for every half second as well. Where the key thing that is to note the forth sensor node is not used for detection but only for estimation of the object at half second intervals and hence does not utilizes much power. By using these techniques, tracking capability of the system is increased.
Authors and Affiliations
Suman Jyothula , Patan Shakira
Keywords
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- DOI 10.9790/0661-16530812
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