Abstract
The average hop distance is chosen from the nearest beacon in DV-Hop, and it can’t reflect the real status of the whole network, and this will promote the average localization error. In this paper, we propose one improved DV-Hop algorithm based on RSSI and feedback mechanism which called RFDV-Hop. It can be divided into two phases. First, it uses the RSSI for replacing the hops in DV-Hop to calculate the preliminary location of unknown node, second, it uses the distance difference between the real location embedded into beacons and the estimated location calculated from DV-Hop as the adjustment factor, and calculates the real location of unknown node by calculating the distances between unknown node and beacons, and also the adjustment factor. The simulations show that RFDV-Hop can reduce the average localization effectively and keep the localization algorithm stable.
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Acknowledgements
The work was supported by National Major Scientific and Technological Special Project under Grant No. 2012ZX03003011-005, 2011ZX03005-004-003.
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Liu, F., Feng, Gz. (2015). Research on Improved DV-Hop Localization Algorithm Based on RSSI and Feedback Mechanism. In: Sun, L., Ma, H., Fang, D., Niu, J., Wang, W. (eds) Advances in Wireless Sensor Networks. CWSN 2014. Communications in Computer and Information Science, vol 501. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46981-1_14
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DOI: https://doi.org/10.1007/978-3-662-46981-1_14
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