Smartphone Concept Shows How Data Is Transferred with Light

LiFi technology transfers data using light, see the concept with a modified Android phone here.

The technology is called LiFi and, among other things, the company Oledcomm sees some properties that can be drawn from. Oledcomm was to find at this year’s CES and Engadget have been past their position and taken a short video of how LiFi works.

In short, LiFi works similarly to WiFi, except to transfer data using LEDs.

In the video (watch it here) is seen among other things a smartphone concept which receives instructions from a series of lamps that are placed around nearby. The phone is based on an unknown Android device where the camera on the front is removed and swapped out with a light sensor.

By keeping the phone towards the lights, were shown pictures or play videos-these were good enough already stored on your phone, but it just goes to show how the phone could execute different commands depending on the light source.

LiFi benefits

Oledcomm hope among other things that could be used in retail to LiFi communication with clients, but one of the obvious obstacles, of course, is that there are no sensors in phones today.

However, there are some advantages of LiFi. Unlike WiFi can light does not penetrate walls and is therefore relatively safe in contrast to WiFi if you are afraid of hackers, direct visibility of the light source is not a necessity in order to receive data, since you can use the light reflected on the walls.

Further can be used in areas that otherwise LiFi are sensitive to electromagnetic interference, for example, in airplanes, in hospitals or nuclear power plants.
Unlike WiFi, which uses radio waves, using LiFi visible light which has a significantly greater spectrum-this means in essence that there is capacity for many more concurrent users without it causing problems.

About LiFi ever will be a success in the market for ordinary consumers will only time will tell, right now are some of the drawbacks (apart from no phones have the necessary light sensor) that it does not work over very large distances, it is not especially reliable, and moreover that it is expensive to install.

 

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