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An Empirical Study of DV-Hop Localization Algorithm in Random Sensor Networks

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4 Author(s)
Lingfei Wu ; Center for Biomimetic Sensing & Control Res., Chinese Acad. of Sci., Hefei, China ; Meng, M.Q.-H. ; Zhenzhong Dong ; Huawei Liang

Node localization is an important problem for location-dependent applications of wireless sensor networks. Aiming at the positioning problem of wireless sensor networks node location, an improved DV-Hop localization algorithm is proposed in this paper. The proposed method firstly recalculates the hop-size and sends different correction along different directions instead of computing a single correction to be broadcasted into the networks. Then we empirically evaluate the difference between distance estimate and actual distance through a number of simulation experiments statistical results. We find empirical parameter to improve the accuracy of distance estimate. Simulation results show that the performance of the proposed scheme outweighs classical DV-Hop algorithms, especially in lower connectivity.

Published in:

Intelligent Computation Technology and Automation, 2009. ICICTA '09. Second International Conference on  (Volume:4 )

Date of Conference:

10-11 Oct. 2009

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