Realization of Microprocessor Based Visible Light Communication

Year 2020, Volume: 3 Issue: 3, 95 - 102, 31.12.2020

Özkan Sezer , Nihat Daldal , İbrahim Yücedağ

Abstract

The increase in data and number of users used in wireless communication is the biggest cause of the bottleneck in today's wireless communication environment. In particular, the rise in the number of devices connected to the Internet is one of the reasons. The current Radio Frequency spectrum is insufficient to respond to these needs. Visible light communication, although not an alternative to all radio frequency communication, can greatly relieve the communication load, especially in short-distance building communications. The LED lamps currently used for illumination are the transmitting elements to be used in visible light communication. It is an excellent alternative in terms of energy efficiency as it is low in installation rate and it is used as both lighting and communication element. Especially in the field of green communication, radio frequency communication, health hazards, the use of CO2 gas largely to reduce electricity consumption significantly, to provide an efficient communication alternative is not to be among the future communication technologies. The apparent frequency of light (430-770 THz) is larger than the current radio frequency band (3 kHz-300GHz) it also much faster than RF. Low frequency band range problem in radio frequency can be solved by visible light communication. Furthermore, the fact that the visible light cannot get out of the closed space seems to be disadvantageous according to the intended use, but also provides extra security in the application areas.

Keywords

Wireless communication, LED, Visible Light Communication

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