Mobile beacon-based 3D-localization with multidimensional scaling in large sensor networks

Authors:
Eunchan Kim;Sangho Lee;Chungsan Kim;Kiseon Kim
Affiliations:
Gwangju Institute of Science and Technology, Gwangju, Korea;Gwangju Institute of Science and Technology, Gwangju, Korea;Gwangju Institute of Science and Technology, Gwangju, Korea;Gwangju Institute of Science and Technology, Gwangju, Korea
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

Localization is essential in wireless sensor networks to handle the reporting of events from sensor nodes. For 3- D applications, we propose a mobile beacon-based localization using classical multidimensional scaling (MBL-MDS) by taking full advantage of MDS with connectivity and measurements. To further improve location performance, MBL-MDS adopts a selection rule to choose useful reference points, and a decision rule to prevent a failure case due to reference points placed on the same plane. Simulation results show improved performance of MBL-MDS in terms of location accuracy and computation complexity.