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To know the location of nodes is very important and valuable for wireless sensor networks WSN, we present an improved positioning model 3D-PMWSN to locate the nodes in WSN. In this model, grid in space is presented. When one tag is detected by a certain reader whose position is known, the tag’s position can be known through certain algorithm. The error estimation is given. Emulation shows that the positioning speed is relatively fast and positioning precision is relatively high.

KEYWORDS

Wireless Sensor Network, Cells, Reader, Tag, Positioning

Cite this paper

W. NIE, S. JU, A. XUE and F. LI -Positioning a Node of Wireless Sensor Networks in 3 Dimensional Space,- International Journal of Communications, Network and System Sciences, Vol. 2 No. 6, 2009, pp. 540-545. doi: 10.4236-ijcns.2009.26059.





Autor: Wenhui NIE, Shiguang JU, Anrong XUE, Feng LI

Fuente: http://www.scirp.org/



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