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A Node Localization Algorithm based on Wireless Sensor Network

Volume 14, Number 4, April 2018, pp. 821-830
DOI: 10.23940/ijpe.18.04.p24.821830

Xuelong Zhanga and Hao Liub

aChangsha Normal University, Changsha, 4101000, China
bHunan University of Humanities, Science and Technology, Hunan, 417000, China

(Submitted on January 3, 2018; Revised on February 29, 2018; Accepted on March 25, 2018)


After analyzing the disadvantages of the centralized multidimensional localization algorithms MDS-MAP (Multi-Dimensional Scaling-MAP) in positioning accuracy and computational complexity, we present a new localization algorithm based on a set of statistical vectors (SV). The solving equation of the double center matrix can be simplified by node coordinate transformation. In order to reduce the noise disturbance and decrease the effect of ranging error on the followed location accuracy, a new coordinate inner product matrix can be reconstructed by using a set of statistical vectors, which can be used to calculate the node coordinates directly. This algorithm can realize centralized localization, distributed localization and incremental localization of nodes.


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