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Erschienen in:
2012 | OriginalPaper | Buchkapitel
A Study of Wireless Mobile Node Localization Algorithm Based on MCL and HS
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This paper proposes the methods to improve the Monte Carlo (MCL) algorithm for the wireless mobile node localization. It combines the anchor boxes constructed by different power signals with the node location information in the previous time to reduce the sampling region. Through sampling and filtering in this region, we adopt the Harmony Search (HS) algorithm to optimize the obtained samples and then calculate the estimated value of the node location. Moreover, the RSSI ranging is used to assist localization. And it takes full advantage of the nodes information with high availabilities. The simulation results show that the improved algorithm reduces the requirements of anchors density and improves the sampling filter efficiencies and the localization accuracy.