Node Localization Technology in Wireless Sensor Networks for Coal Mine Security Monitoring

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Abstract:

This paper proposed a location algorithm based on nodes distance difference, it gets the distance difference from the blind node to every beacon node by wireless communication module Rf grouping, then, makes use of the improved Trilateral positioning method to work out Node coordinates, so as to realize the node localization of long-distance range, precision controlled, low-cost, and to analyze the positioning performance. The simulation experiments shows this algorithm has high feasibility and positioning performance, and it is also a complement of WSN Positioning technology.

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560-564

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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