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Localisation algorithm for large-scale and low-density wireless sensor networks

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4 Author(s)
H. Dai ; Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education), Department of Electronic Engineering, Jiangnan University ; A. G. Chen ; X. F. Gu ; L. He

A local subspace alignment algorithm for determining the relative locations of sensor nodes in large-scale and low-density wireless sensor networks is presented. Based on the pair-wise distance between each node and its neighbours within a certain communication range, the local geometry of the global structure is obtained by constructing a local subspace for each node, and those subspaces are aligned to give the internal global co-ordinates of all nodes. The localisation performance of this method is compared to the multidimensional scaling and ISOMAP methods.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 15 )