Abstract
Indoor localization is an emerging research area in recent times. During the last few years, it is observed that the visible light communication (VLC) has become a strong candidate for wireless communication. It has been gaining popularity in indoor localization systems. In this work, we investigate the VLC-based system for real-time positioning. We developed a small prototype of a VLC-based indoor localization system in order to determine the real-time position of the receiver. For prototyping, LEDs are used as transmitter and photodiode as receiver, controlled by Raspberry Pi (RPi) microcontroller. These LEDs are modulated at different frequencies for unique identification. Received signal strength (RSS) method is used for distance calculation from the transmitter to the receiver. The calculated distance is sent to the controller where the individual frequency of the transmitter will be extracted. Trilateration algorithms are used for estimating the receiver position. The proposed system performs well in real time.
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Dhote, D., Chatopadhyay, M.K. (2020). An Approach for Real-Time Indoor Localization Based on Visible Light Communication System. In: Saini, H.S., Singh, R.K., Tariq Beg, M., Sahambi, J.S. (eds) Innovations in Electronics and Communication Engineering. Lecture Notes in Networks and Systems, vol 107. Springer, Singapore. https://doi.org/10.1007/978-981-15-3172-9_16
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DOI: https://doi.org/10.1007/978-981-15-3172-9_16
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