 |
| internet with light speed |
We have seen
most of the data transfer in the form of wireless signals .these signals are
transmitted by fibre optics cable .we have using visible light to communicate with other in a lot of different ways for a long time but imagine
this for a sec.
Data, flowing
out of your living room like a water from a showerhead and yes it’s real and
it’s called LIFI. LI stands for light. But have you ever imagine how this would
be better than the existing data transfer technology like wifi that uses radio waves.
Great question isn’t it?
 |
| lifi reflects back in the same medium |
Well unlike the signals that makes the wifi connection
that tends to spread out everywhere from the access point, visible light is
easier to focus and concentrate in one area .I mean just go outside with a magnifying glass on sunny day
if don’t believe me.
 |
| burning of paper with magnifying glass |
This makes it possible to fit a lot more data into a LIFI signal
but then there may be even more questions. How would visible light transmit data
anywhere? Well! , LIFI uses LED bulbs
that can be switch on or off very very quickly that they don’t have warm up time that can be
detected by the normal human eye and they appears to be continues. It is very
quick waves passing in a microsecond. But the special type of receiving devices
connected to your computer or mobile phones can transfer this kind of
flickering into an actual data. “Here is another cool thing. Visible light is
also much less acceptable to interference than the radio waves”.
That means the communication is much faster in lifi
than any other wifi communication. In fact researchers were able to achieve a
speed of 122 giga byte per second and trust me that’s huge, 200 times faster
than even a Google fibre optic internet connection. Beyond just high speed LIFI
also promises to offer a number of other advantages. Since it only uses the
visible light, the LIFI signals can’t penetrate walls offering a higher degree
of privacy. That means you are safe until you are sharing the same network in
the same room.
Since LIFI uses relatively inexpensive LED bulbs which
consume less power than a wifi access point visible light networks could be deployed
relatively cheaply using mostly existing technology. The power saving also
potentially could have significant implications for global energy consumptions,If LIFI becomes a requisite as wifi. Especially, as LIFI transmitter can be
dimmed to reduce bandwidth if you don’t need to download 50 movies in one
second. But although the technology has a great potential it is still very experimental
and we probably won’t be able to see it to hit in the mainstream market for
several years.
Lifi offer the greater privacy but the disadvantage is,
obviously not working in the next room over, unless you blow your light and it
can also be disrupted by huge light pollution .but you know what, the biggest
advantage of all is not having to shop for the routers and light bulbs separately
anymore. I hope this would be helpful
for you but if you have any doubt, then
you can comment below.
— Me you and my world (@Meyouandmyworl1) October 2, 2018
Posts
1 Comments
Thanks for sharing great and useful social media sites. This is really comprehensive and interesting sites, It's is very informative social sites for every one. Interesting article.
ReplyDeletehttps://www.bharattaxi.com