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Demonstration of visible light communications using RGB LEDs in an indoor environment.

Shrestha, N., Sohail, M., Viphavakit, C., Saengudomlert, P., & Mohammed, W. Low-complexity visible light networking with LED-to-LED communication. In UbiComp 2003: Ubiquitous computing (pp. Very low-cost sensing and communication using bidirectional LEDs. IEEE Transactions on Consumer Electronics, 50(1), 100вЂ“107.Дietz, P., Yerazunis, W., & Leigh, D. Fundamental analysis for visible-light communication system using LED lights. In Radio and wireless symposium, 2008 IEEE (pp. High-accuracy positioning system using visible LED lights and image sensor. Yoshino, M., Haruyama, S., & Nakagawa, M.

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In Photonics society summer topical meeting series (pp. A 2-D indoor localization system based on visible light LED. The performance of designed system is compared based on its BER and constellation diagram. We have also studied the OFDM subcarrier impact on system performance and link range. The proposed system can support 10В Gbps data rate up to 2В m link range. The arrangement of this system is analysed for various bit rates and link ranges. White LED is used as source for our VLC system and it is driven by OFDM modulated signal. In this paper we have studied the VLC system using Optisystem simulation tool for an already practically measured free space channel. Orthogonal frequency division multiplexing (OFDM) modulation has also significant impact on communication sector now-a-days due to its healthiness to the signal distortion and support for higher data rate. It is due to the reason that the existing light sources for lighting application in home, office and streets have huge amount of bandwidth and they can deliver data communication at higher bit rates. Visible light communication (VLC) has drawn more attention in recent years.

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