A Beam Scanning-Based Indoor Localization System using Light Emitting Diodes

Muhammad Saadi; Yan Zhao; Oumair Naseer; Lunchakorn Wuttisittikulkij

doi:10.4186/ej.2016.20.3.197

A Beam Scanning-Based Indoor Localization System using Light Emitting Diodes

Authors

Muhammad Saadi University of Central Punjab
Yan Zhao Chulalongkorn University
Oumair Naseer University of Central Punjab
Lunchakorn Wuttisittikulkij Chulalongkorn University

DOI:

https://doi.org/10.4186/ej.2016.20.3.197

Keywords:

Indoor localization, light emitting diodes, beam scanning, received signal strength.

Abstract

In this paper, an indoor localization system using light emitting diodes (LEDs) is presented. Location of an object is determined by scanning two LEDs at pre-defined angles which are modulated at different frequencies. During scanning process, for each LED, two maximum values of received signal strength (RSS) are logged and this information is used to compute the position of an object. Time division multiplexing (TDM) is used to incorporate angle information at the receiver. A bicubic spline interpolation is applied to estimate the position of an object. Simulations are executed for a typical indoor environment with dimensions of (3 × 3 × 2 m³) and results are validated using experiments. The experimental results confirm that proposed beam scanning approach can be used to determine the location of an object precisely.

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Author Biographies

Muhammad Saadi
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Department of Electrical Engineering, University of Central Punjab, Lahore, Pakistan

Yan Zhao
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International School of Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand

Oumair Naseer
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Department of Electrical Engineering, University of Central Punjab, Lahore, Pakistan

Lunchakorn Wuttisittikulkij
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Department of Electrical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand

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Published In

Vol 20 No 3, Aug 23, 2016

How to Cite

[1]

M. Saadi, Y. Zhao, O. Naseer, and L. Wuttisittikulkij, “A Beam Scanning-Based Indoor Localization System using Light Emitting Diodes”, Eng. J., vol. 20, no. 3, pp. 197-206, Aug. 2016.

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