Positioning strategy for wireless sensor networks

Authors:
Tzay-Farn Shih;Wei-Teng Chang
Affiliations:
Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung, Taiwan, R.O.C.;Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung, Taiwan, R.O.C.
Venue:
ELECTROSCIENCE'08 Proceedings of the 6th WSEAS International Conference on Applied Electromagnetics, Wireless and Optical
Year:
2008

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Abstract

Many applications in wireless sensor networks require sensor nodes to obtain their positions. In this paper, we focus on the design of a hierarchical localization strategy. The advantage of these methods is that they can reduce cost in the considerable extra hardware common in sensor networks. Through simulation experiment, the evidence confirmed the proposed methods can effectively improve localization accuracy and enhance the localization rate of estimated nodes.