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Vol. 164, Issue 2, February 2014, pp. 71-79

 

Bullet

 

Multidimensional Scaling Localization Algorithm in Wireless Sensor Networks
 

Zhang Dongyang, Bai Xue, Liu Pengnan

Department of Equipment Engineering, Shenyang Ligong University, Shenyang 110159, China
Tel.: 00862424681248, fax: 00862423697241

E-mail: 357255135@qq.com

 

Received: 16 December 2013 /Accepted: 28 January 2014 /Published: 28 February 2014

Digital Sensors and Sensor Sysstems

 

Abstract: Due to the localization algorithm in large-scale wireless sensor network exists shortcomings both in positioning accuracy and time complexity compared to traditional localization algorithm, this paper presents a fast multidimensional scaling location algorithm. By positioning algorithm for fast multidimensional scaling, fast mapping initialization, fast mapping and coordinate transform can get schematic coordinates of node, coordinates Initialize of MDS algorithm, an accurate estimate of the node coordinates and using the PRORUSTES to analysis alignment of the coordinate and final position coordinates of nodes etc. There are four steps, and the thesis gives specific implementation steps of the algorithm. Finally, compared with stochastic algorithms and classical MDS algorithm experiment, the thesis takes application of specific examples. Experimental results show that: the proposed localization algorithm has fast multidimensional scaling positioning accuracy in ensuring certain circumstances, but also greatly improves the speed of operation.

 

Keywords: Perceived front, Positioning accuracy, Distance matrix, Reference node, Localization algorithm.

 

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