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DSLA: Dynamic Sampling Localization Algorithm Based on Virtual Anchor Node
  • KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

DSLA: Dynamic Sampling Localization Algorithm Based on Virtual Anchor Node

Vol. 13, No. 10, October 30, 2019
10.3837/tiis.2019.10.007, Download Paper (Free):

Abstract

Compared with the localization methods in the static sensor networks, node localization in dynamic sensor networks is more complicated due to the mobility of the nodes. Dynamic Sampling Localization Algorithm Based on Virtual Anchor (DSLA) is proposed in this paper to localize the unknown nodes in dynamic sensor networks. Firstly, DSLA algorithm predicts the speed and movement direction of nodes to determine a sector sampling area. Secondly, a method of calculating the sampling quantity with the size of the sampling area dynamically changing is proposed in this paper. Lastly, the virtual anchor node, i.e., the unknown node that got the preliminary possible area (PLA), assists the other unknown nodes to reduce their PLAs. The last PLA is regarded as a filtering condition to filter out the conflicting sample points quickly. In this way, the filtered sample is close to its real coordinates. The simulation results show that the DSLA algorithm can greatly improve the positioning performance when ensuring the execution time is shorter and the localization coverage rate is higher. The localization error of the DSLA algorithm can be dropped to about 20%.


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Cite this article

[IEEE Style]
Y. Chen, B. Yan, L. Wei, M. Guo, F. Yin, Q. Luo, W. Wang and L. Chen, "DSLA: Dynamic Sampling Localization Algorithm Based on Virtual Anchor Node," KSII Transactions on Internet and Information Systems, vol. 13, no. 10, pp. 4940-4957, 2019. DOI: 10.3837/tiis.2019.10.007.

[ACM Style]
Yanru Chen, Bingshu Yan, Liangxiong Wei, Min Guo, Feng Yin, Qian Luo, Wei Wang, and Liangyin Chen. 2019. DSLA: Dynamic Sampling Localization Algorithm Based on Virtual Anchor Node. KSII Transactions on Internet and Information Systems, 13, 10, (2019), 4940-4957. DOI: 10.3837/tiis.2019.10.007.