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Dark light visible light communication positioning system with received signal strength technique

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Abstract

Visible Light Communication (VLC) can be utilized for Indoor Positioning Systems (IPSs). Most of VLC IPSs work when LED lights are ON. This causes energy less when lighting system is off, at least when sleeping. We face a fundamental challenge in VLC systems that require the light ON all time. Then how to communicate when the lights appears “OFF”? In this paper, we propose a positioning system of receiver that is used in dark light VLC based on the Received Signal Strength (RSS) positioning technique, showing its possibility to use in dark environment. Because of its simplicity, the RSS technique is used in indoor positioning. This proposition can ensure the IP even when light is “OFF”, which can be actualized in VLC systems to save energy and give precise illumination control. The obtained results reveal that the average error in positioning with LED power of dark VLC is lower than that in the normal mode. The obtained simulation results reveal that the average positioning error is improved by 25% of traditional method when Dark VLC is used with 1.4 mW LED power without background noise. This ensures that the proposed system shows superiority when compared with other VLC IPS systems, in energy saving and high positioning accuracy.

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Correspondence to Moustafa H. Aly.

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El Gamal, M.M., Maheswar, R., Fayed, H.A. et al. Dark light visible light communication positioning system with received signal strength technique. Opt Quant Electron 53, 542 (2021). https://doi.org/10.1007/s11082-021-03206-1

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  • DOI: https://doi.org/10.1007/s11082-021-03206-1

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