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An Efficient Three-Dimensional Localization Scheme Using Trilateration in Wireless Sensor Networks
- Issue Date
- Sep-2014
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Wireless sensor network; three dimensional localization; distance-based localization; coordinate rotation
- Citation
- IEEE COMMUNICATIONS LETTERS, v.18, no.9, pp.1591 - 1594
- Journal Title
- IEEE COMMUNICATIONS LETTERS
- Volume
- 18
- Number
- 9
- Start Page
- 1591
- End Page
- 1594
- ISSN
- 1089-7798
- Abstract
- In this letter, we propose a novel three-dimensional (3D) localization algorithm based on a simple range-based localization approach. The proposed scheme requires distance measurements associated with only three anchor nodes for a 3D location estimation using linear least squares estimation (LLSE). It uses Heron's formula of tetrahedron to calculate the target height and then transforms a two-dimensional location computed by LLSE into a 3D estimated location. Simulation results validate the accuracy of the proposed scheme.
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Related Researcher
- Lee, Jong-Ho
- College of Information Technology (Department of IT Convergence)