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In this paper, characteristics of transmission and receive of RGB (Red/Green/Blue) light emitting diodes (LEDs) are analyzed for LED identification (LED-ID) systems. LED is considered as a future light technology because of advantages of LED such as the long life time, low power consumption and high power efficiency. Moreover, LED is used to lighting device also, it can be used a communication device,...
In indoor visible light communication channels and LED road illumination communications for the Intelligent Transport Systems (ITS), inter symbol interference (ISI) due to multipath propagation prevents high data rate transmission. Indoor wireless optical communication systems utilizing white LED lights and on the road illumination have been studying about it. Generally, plural lights are installed...
Today, the improved wireless communication technique for increasing demand for the next generation communication system is developed variously to transmit a long distance and high data. Visible light communication (VLC) system uses radiated light of LEDs. However, VLC have weak points which deteriorate performance of communication. Because there is multi-path fading that occurs propagation delay by...
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