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Positioning a Node of Wireless Sensor Networks in 3 Dimensional Space
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International Journal of Communications, Network and System Sciences·Volume 02 (2009)·Pages 540–545·Published 22 September 2009·DOI10.4236/ijcns.2009.26059
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Abstract
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.
KeywordsWireless Sensor NetworkCellsReaderTagPositioning
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