Working of li fi technology pdf

Here, the flashes of led bulbs are denoted with 0s and 1s. The benefits of lifi emerge as a result of unlocking the vast amount of licensefree and secure electromagnetic spectrum that lies in the infrared and visible light regions. Li fi system mainly includes two parts namely the transmitter and receiver. In lifi the information is transferred through light signals instead of radio waves and mostly wifi plays an efficient role for wireless information coverage within the buildings whereas by using lifi we can provide the excel density data coverage in a particular area without any radio interference issue. Lifi is the abbreviation of light fidelity and was expressed by harald hass who was a german physicist. The applications of lifi are derived from many of these benefits and will be.

And turn on wep wire equivalence privacy and enter a password and remember this password. Operating rooms do not allow wi fi over radiation concerns, and there is also that whole lack of dedicated spectrum. Proper monitoring can save huge benefits in terms of energy and economy obviously. Li fi technology, implementations and applications pdf. Lifi is a vlc, visible light communication technology, developed by the team of. Li fi is thought to be 80% more efficient, which means it can reach speeds of up to 1gbps and even beyond. The information that is to be sent for example through internet is being given to the led lamp. Li fi differs from fibre optic because the li fi protocol layers are suitable for wireless communication over short distances up to 10 meters.

Also explore the seminar topics paper on lifi technology with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year computer science engineering or cse students for the year 2015 2016. Next time when you will connect your laptop wifi router will ask you to enter the connection password and you enter that password. Bgfi is a lifi system consisting of an application for a mobile device, and a. Application of lifi technology you might just live longer you might just live longer for a long time, med ical technology has lagged behind the rest of the wireless world. The technology is very new and was proposed by the german physicist harald haas in 2011. The term lifi refers to visible light communication vlc technology that uses as. Explore lifi technology with free download of seminar report and ppt in pdf and doc format. All routers have a web page that you can connect for configuring the wifi security. The input signal at the transmitter section can be modulated with a specific time period then send the data using led bulbs in 0s and 1s form. The inventor of lightbased li fi internet has completed the first working prototype the more li fi enabled lights you have in an area, the higher your total capacity is. Lifi short for light fidelity is wireless communication technology which utilizes light to transmit.

The future technology in wireless communication 1691 interconnected data systems to monitor things like demand, grid integrity and core temperature. Why lifi light internet could replace wifi in 10 years. October 20, it was reported chinese manufacturers were working on lifi development kits. Lifi technology seminar report and ppt for cse students. Li fi could offer safe, abundant connectivity for all areas of. Light fidelity is a new wireless communication technology which enables a wireless data. It is a short range wi reless communica tion system based on light illumination from led, and use the visible light as a signal c. October 20, chinese manufacturers work on li fi development kits. Lifi stands for light fidelity and is a visible light communications vlc system which runs wireless communications that travel at very high speeds with lifi, your light blub is essentially your router. Lifi project how to transmit data with laser light youtube. Lifi can be the technology for the future where data for laptops, smart phones, and. It uses common household led light bulbs to enable data transfer, boasting speeds of up to 224 gigabits per second. Lightfidelity lifi international journal of computer science and.