Aug 7, 2016

Li-Fi (Light Fidelity)-The future technology in Wireless communication pdf full ppt

Li-Fi (Light Fidelity)-The future technology In Wireless communication pdf full abstract presentation paper journal ppt
Abstract:Li-Fi stands for Light-Fidelity. Li-Fi technology,proposed by the German physicist - Harald Haas, provides transmission of data through illumination by sending data through an LED light bulb that varies in intensity faster than the human eye can follow. This paper focuses on developing a Li-Fi based system and analyzes its performance with respect to existing technology. Wi-Fi is great for general wireless coverage within buildings, whereas Li-Fi is ideal for high density wireless data coverage in confined area and for relieving radio interference issues. Li-Fi provides better bandwidth, efficiency, availability and security than Wi-Fi and has already achieved blisteringly high speed in the lab. By leveraging the low-cost nature of LEDs and lighting units there are many opportunities to exploit this medium, from public internet access through street lamps to auto-piloted cars that communicate through their headlights. Haas envisions a future where data for laptops, smart phones, and tablets will be transmitted through the light in a room. Keywords—Li-Fi, Wi-Fi, high-brightness LED, photodiode,wireless communication.

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