3-Dimensional Localization System Based on Extension of Beacon Nodes and Segmentation of Coordinate Space

Abstract:

In this paper, the 3 Dimensional (3D) localization system based on extension of beacon nodes and segmentation of coordinate space is proposed and the performance of the system is analyzed. The main functions in the 3D localization system are 1) the equations for calculating the location coordinates of the 3D localization system by intersection of 3 sphere equations; 2) the extension concept of beacon nodes; 3) the compensation scheme for the 3D localization algorithm; 4) calculation of the location coordinate in selected segmented space. The distance error (Derror) between the beacon and mobile node can be derived and it is used to performance metric for proposed system. It can be inferred that 1) LSCA is more stable and reliable system than LSNOCA, and it can be more useful to the practical localization system; 2) The Derror is the smallest value when the segmented distance of 3D space for the 3D localization system is set to be 1m; 3) The Derror when the height of the beacon node is 1.5m is largely lower than when that is 2.3m.

• Periodical: Advanced Materials Research (Volume 988)
• Pages: 489-497
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.988.489
• Online since: July 2014
• Authors: Dong Myung Lee, Ho Chul Lee, Yun Hae Kim
• Keywords: 3 Dimensional Triangulation, Beacon Node, Localization, NLOS, SDS-TWR

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