Advantages of Li-Fi Technology
Security is a major concern for all Wi-Fi users. This is due to the fact that the signals pass through walls and make Wi-Fi vulnerable to eavesdropping. Security is not an issue of concern in a Li-Fi environment since the visible light signal is confined to the indoor environment and it has high security.
Green and Eco-Friendly
Li-Fi integrates the communication system with the green and eco-friendly lighting system and proposes dual-use of the lights that are used for illumination purposes.
High Speed Connection
Li-Fi has the potential to significantly increase the speed of internet connection in multiuser indoor environments due to the broad bandwidth of the visible light, from 400 THz (780 nm) to 800 THz (375 nm).
Large User Support
Li-Fi can offer high density communication by using hundreds of LEDs on each bulb or lighting panel and can offer broadband connections to a large number of users by reusing the spectrum in larger areas.
No Health Concern
Unlike radio signals, Li-Fi cannot penetrate inside the body and is blocked by the skin. Therefore, it is safe for the human body and any group of people, including children and pregnant women can use it for connecting to the Internet without concern.
Li-Fi technology can also offer location based services (indoor GPS) by accurately estimating the position of users, which can be used for navigation in warehouses, museums and shopping malls. Each user estimates its own location by measuring the delay time between the transmitted and received pings from each Li-Fi access point and calculating its distance from each fixture.
LumiNet Desktop: Li-Fi Enabled Desk Lamp
LumiNet Desktop is a plug and play desklamp that provide Li-Fi connection....
LumiNet Stick: USB Stick for Li-Fi Connectivity
VLNComm provides LumiNet Stick to connect any electronic device with USB port to the Li-Fi network....
LumiNet Pad: Li-Fi-Enabled LED Panel
Lighting panels are used as the light sources in large indoor areas. ...
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Wall Street Journal: The Future of Home Wi-Fi
Li-Fi and VLNComm in the News (Sept 11, 2017) “Transmitting information with light is as old as the signal fire, but transmitting high-speed data via the lights above our heads has only been possible for about five years. A handful of startups—including VLNComm, Velmenni and PureLiFi—are working on systems that flicker LED lights so quickly […]...
Professor, Former Grad Student Market ‘Li-Fi’ – LED-Based Data Network
Let there be light. And let there be information.
A University of Virginia engineering professor and her former graduate student have refined an alternative to Wi-Fi, and they have formed a company to market the concept. The technology is called “Li-Fi,” because it uses LED light waves to transmit data.
Maite Brandt-Pearce, a professor in the Charles L. Brown Department of Electrical and Computer Engineering, and Mohammad Noshad, her former Ph.D. student, have teamed with entrepreneur Fraidoon Hovaizi to create VLNComm LLC. The company employs nine and has a facility in the Pantops area of Albemarle County, east of Charlottesville.
Read more: https://news.virginia.edu/content/professor-former-grad-student-market-li-fi-led-based-data-network...
Bloomberg Business Week: Meet Li-Fi: Internet Using LED Light Waves
Wi-Fi networks dependent on radio waves are growing more congested all the time—and can’t be used everywhere—so various researchers and companies are betting light waves from LED lamps and overheads can also stream data and connect people to the internet. So-called Li-Fi technology, which uses a much more abundant slice of the wireless spectrum, is also more energy-efficient than Wi-Fi, though for now people need a special USB drive to use it. Light waves can’t pass through walls like radio waves do, but that also makes the networks more secure. A group from the world’s largest technical association, IEEE, will have draft standards for Li-Fi ready by yearend for companies that want to commercialize the technology, says its chairman, Bob Heile.
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Volume 1/Issue 1 15 September 2017 HEADLINES VLNComm actively participates in shaping IEEE 802.15.7 (Li-Fi) Standards Li-Fi and VLNComm in the news: Wall Street Journal LINK Prototype rollout to partners planned for mid-September Exhibiting in Charlottesville TomTom Tech Mixer LINK Participation in LUXLIVE 2017 LINK IEEE Standards Committee – VLNComm is actively shaping the IEEE […]...
UVA Researchers to Provide Faster Data Through LED Light
CHARLOTTESVILLE, VA (NEWSPLEX) — Wireless Internet is about to be looked at in a whole new light. One professor and a few PhD students at the University of Virginia are designing a way to use light waves to get data faster.
Wi-Fi uses radio waves to transfer data to devices like smart phones and computers. This new system would use a mechanism through a light emitting diode, or LED, to send light waves that would transfer data.
It would ‘pulse’ quickly to send the data, something that would be invisible to the human eye.
It is all starting with a prototype desk lamp that would provide an internet connection. The system would provide an Internet connection for every user individually.
Maite Brand-Pearce is an electrical engineering professor at UVa and has been working on the project with some PhD students toward getting a product that is more powerful and can be used in large rooms with multiple people.
“This light that’s on top of me is providing me data but the light that’s on top of you is providing you data,” said Brand-Pearce. “So we don’t compete. So while Wi-Fi is here in this building, I share it with ten offices. I’m constantly competing for bandwidth.”
The new light could be used in airplanes where Internet connection is unavailable with the overhead lamp. It could also be used in hospitals where Wi-Fi is not permitted.
The technology may one day be designed for large stadiums where there is competition between users.
New Networking Technology Developed at VLNComm – NBC News
CHARLOTTESVILLE, VA (NBC29) – There’s new breakthrough Internet technology in town using light to connect to the Internet. A team from the University of Virginia is using light bulbs to access the Internet as a more secure alternative to WiFi.
It’s incredible to even consider that the same LED light bulb that brightens your desk could provide you with faster and safer Internet access but this team believes that within five years the technology could be everywhere.
VLNComm is a new business in Charlottesville. The name stands for Visible Light Network Communications, meaning they will be able to transmit Internet through light bulbs.
“Just imagine a world when we have 14-billion light bulbs, which are already there, when we can turn them into a device for communication,” said Fraidoon Hovaizi, a co-founder of VLNComm. “This has worldwide implications, and that can bring a safer and greener world to Americans and to the rest of the world.”
Hovaizi co-founded the business last year with UVA grad Mohammad Noshad and they consult with Noshad’s former professor, Maite Brandt-Pearce. Together they’re working on a prototype desk lamp with an LED bulb that can provide Internet access.
They say Internet by light will be safer than WiFi because people outside the room with the lights won’t be able to access the network.
“The signals are lights and it cannot pass through the walls, but in WiFi security is a major concern,” said Noshad
This makes it appealing to government and military groups. They say it will also be highly accessible especially in large places like airports with a lot of lights in place.
There are other companies working to develop this technology around the world but VLNComm believes it has the strongest computer coding that allows electronic devices to access the Internet through light.
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