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| A Novel Node Localization Algorithm of Wireless Sensor Network Based on Delaunay Triangular Subdivision |
| Cheng Li, Honglie Zhang, Haimiao Ge |
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Abstract This paper proposes a node localization algorithm of wireless sensor
network based on Delaunay triangular subdivision, which is referred
to as the Delaunay Rank Localization (DRL) algorithm. The algorithm
constructs the Delaunay graph by adopting the anchor node that is
deployed in localization space as the vertex, and the midpoint of
each edge of each triangle in the Delaunay graph is marked as the
virtual anchor node to join in the localization of the unknown node.
And the rank sequence from the anchor node to the sensor node is set
up, and the location of the unknown sensor node is estimated
according to the rank sequence. The simulation results show that
compared with Dv-Hop algorithm and Centroid algorithm, the DRL
algorithm estimates the location of the node more precisely, which
improves the localization accuracy.
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| DOI:10.12733/jics20102806 |
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