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《Computer Engineering and Design》 2010-01
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Weighted average hop-distance localization algorithm for wireless sensor nodes

XIAO Mei-hua,ZHOU Zhi-ping(School of Computing,Nanchang Hangkong University,Nanchang 330063,China)  
To improve node localization accuracy in wireless sensor networks,a weighted average hop-distance localization algorithm called IDV-Hop(Improved Distance Vector-Hop,IDV-Hop for short) is proposed,which is based on DV-Hop algorithm.Based on the characteristic of using simple average hop-distance to calculate the distance between nodes in DV-Hop algorithm,which brings lager loca-lization error,in order to reduce error weighted average hop-distance is used instead of simple average hop-distance.The experimental results indicate that IDV-Hop algorithm improve localization accuracy,which is compared to DV-Hop algorithm,so it can satisfy the practice requirement better.
【CateGory Index】: TN929.5;TP212.9
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