Li-Fi is a new wireless optical networking technology that uses light-emitting diodes (LEDs) for data transmission. It was invented by Harald Haas and is 100 times faster than Wi-Fi. Li-Fi transmits data using visible light communication and infrared light and can deliver speeds over 100Gbps. It provides more secure, affordable internet access and has a wider spectrum than radio frequencies used by Wi-Fi. Experts predict Li-Fi will be commercially available within two years and can transform wireless communication.

1. NAME:- Patel Krina Piyushbhai
ENROLL NO:-12002080601065

2. What is Li-Fi ?
• Li-Fi. The new internet technology created by Harold
Haas. It turns LED lights into internet connection.
• What if I told you, that Li-Fi will be 100 times faster than
Wi-Fi. That means you can download a dozen HD quality
movies and TV shows, in seconds.
• Li-Fi is affordable as well.
• It uses LED lights to transmit code to your devices, and
with LEDs being pretty cheap, you can put them all over
your house.
• “In two years time, you will see Li-Fi on the market on
many levels,” says experts who are testing the technology
in their offices.
• Li-Fi will become more secure than Wi-Fi.
Li - Fi
Li - Fi

3. Historyof Li-Fi
• In 2011, Chair of Mobile Communications at the Universityof
Edinburgh, Professor Harald Haas prompted about Li-Fi at TED
Global Talk. Professor Haas is considered to be the founder of this
technology. In September 2013, his company released the world's
first commercially available Li-Fi technology.
• Li-1st: World's first Li-Fi technology availablein the market.
• Li-Flame: It was introduced in February 2015 and is the first Li-Fi
product allowing mobile wireless communications.
• PureLiFi and Lucibel: World's first industrialized Li-Fi solution
launched by French lighting company and is installed in multiple
locations including Microsoft’s Paris Headquarter.
• LiFi-XC system: It was released in October 2017. It is a plug and play
system that works with USB devices and may be integrated into
future laptops, tablet or smart appliances.

6. How Li-Fi Can Change Our Lives ?
•No harmful radiations
•Prevents piggybacking
•Much higher speeds than Wi-Fi
•Unconstrained by radio interference
•Very cost affective as it is powered by LEDS
•10,000times the frequency spectrum of radio
•Eliminates neighbouringnetwork interference
•More secure because data cannot be intercepted
without a clear line of sight
•Green technology as it is based on LEDs and the
infrastructure is in place already

8. Advantages of Li-Fi
• It has less interference.
• Li-Fi can pass through salty seawater as light can travel through
water.
• It can work in the dense region.
• LiFi transmission provides super-fast bi-directional speeds of over
100 Gbps.
• Using LiFi helps reduce energy consumption as the LED light source
consumes significantly less power to transmit considerably more
data.
• With the technology becoming more mainstream and the rise of the
LiFi ecosystem, the total ownership cost of LiFi-based
communications will reduce, enabling it to reach more avenues.
• Installing and removing LiFi devices is relatively easy. They can serve
as plug and play devices. The process is similar to fixing or replacing a
light bulb.
• LiFi provides a high degree of security as the transmission signals
can’t penetrate through walls, making remote network hacking
virtually impossible.
• LiFi will help create an interconnected transportation infrastructure
where vehicles can communicate with each other.
• Enterprises, especially in the B2C domain, can create immersive,
engaging experiences for product marketing using LiFi technology.
• It will enable a faster and more secure home network, ensuring that an
outsider won’t be able to connect to your network.

9. Applicationsof Li-Fi
• It is used in airlines as it will not interfere
with the equipment on the aircraft that relies
on radio waves such as its radar.
• Li-Fi is used in undersea explorations as
light can travel through water.
• It is used in operation theatres in the
hospitals as light waves have little effect on
medical instruments.
• It is also used in offices and homes for data
transmission and internet browsing.
Li-Fi
Li-Fi

10. ProsofLi-Fi
• Speed: Light spectrum is nearly
10,000 times larger than the
spectrum occupied by radio
waves thereby carrying more
information100 times faster than
Wi-Fi. It can transmit data at a
rate of 224GBps.
• Efficient and Cheaper: Li-Fi is
more efficient and cheaper than
Wi-Fi due to the nature of LED
bulbs. It will save costs in homes
and workplaces as it can work
without electronic devices such
as routers, modems, and so
forth.
• Security: Light can be stopped by
opaque objects, making Li-Fi
more secure than Wi-Fi.
Additionally, some rooms can be
designated as high-security
areas with their own Li-Fi
networks.
ConsofLi-Fi
• Limited Range: As light cannot
penetrate through walls, it is
good with the security point of
view but it provides a limited
range. Thus, Li-Fi can be
effectively used in closed spaces.
In open spaces, Wi-Fi's coverage
can go up to 32 meters as
compared to Li-Fi.
• Limited Compatibility: As
technology is new, not many
devices are compatible with it

12. THANK YOU
Li-Fi
(Boost your Wi-Fi)