Node location algorithm for wireless sensor networks oriented to mountainous terrain
by Hu Zhongdong; Yi Tao; Wang Zhendong
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 17, No. 2, 2019

Abstract: Aiming at the problem of large positioning error in the non-ranging 3D DV-Hop localisation algorithm for Wireless Sensor Networks (WSNs) in mountainous terrain, the NLA - MT localisation algorithm is proposed in this paper. NLA-MT utilises the characteristics of mountain terrain environment effectively. Fitting the topographic surface of the mountain with local plane, the three-dimensional spatial positioning operation can be reduced to the positioning operation of the two-dimensional plane, which improves the positioning accuracy of the node effectively. When compared with the multi-angle simulation experiments, with different communication radii, different anchor nodes and different nodes, NLA-MT performed well in the mountain terrain model, and the accuracy of the non-ranging location algorithm of the WSN is improved, with the positioning error of about 35% with a high practical value.

Online publication date: Wed, 07-Aug-2019

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