Quantum leap in commmunication through Hybrid VLC for sustainable living environment

What is Li-Fi?

Light Fidelity (Li-Fi) is the new and evolving form of wireless communication, enabling data transmission through the use of  Light Emitting Diode (LED) lamps. With speeds surpassing the classic Wi-Fi (with radio waves) that everyone uses, the possibilities are endless with the replacement of visible, ultraviolet, and infrared light waves to enable the future technology and innovation. 

Transmitter

Since 1756, method have existed to use light for the projection of desired information/data to other people.

Composing of a Hybrid Visible Light Communication (HVLC), the invention adopted the best of both: Li-Fi and Wi-Fi fidelities. Not only does the Li-Fi based device transmit data faster than other any means invented thus far, but it is also able to provide constant illumination to the user for his/her comfort.

ICONNECT’s Transmitter uses Light Emitting Diodes (LEDs) for transmitting data, known to be a semiconductor, it has been found to be a perfect candidate for processing without the Receiver (Next Section) containing any sort of distortions. The LED is able to precisely replicate and transmit the content that was inputted into the Transmitter and project it exactly it was from the source, whilst maintaining illumination and communication simultaneously.

Receiver

The Receiver is able to recognize the Transmitter’s LI-Fi/Wi-Fi waves propagating and download the information that was sent to show to the user, through the photodiode. Since both domains are known to have their limitations, when it comes to constant connectivity such the Li-Fi’s Field of View (FOV) and Line of Sight (LOS) disrupting the user’s streaming, the hybrid configuration is able to provide both horizontal and vertical handover to suit any scenario.

The overall technology has great potential to be a low cost, secure device with seamless connectivity. It can be used for many applications such as, vehicle to vehicle communication, hotel lobbies, hospitals, oil rigs, and other indoor positioning services like museums, shopping malls and airports that require constant illumination.

Our Patents

Mixed Type Communication System Based on Multiplexing
The first one was published in China around 2014 introducing various methods of communication based on multiplexing. Such methods include: Single-Input and Single-Output (SISO), Single-Input and Multiple Output (SIMO), Multiple-Input and Single-Output (MISO) and Multiple-Input and Multiple-Output (MIMO) where they can be mixed to provide content such as: voice, data, videos and other information to the user's end.
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Visible Light Communication (VLC) Receiver
Our second patent was also published in China around 2019 about the invention of a visible light communication receiver that is able to communicate with the transmitter more efficiently and is able to cover a wider field of view, enabling the invention to minimize losses. Items within the patent involve: visible light communication receiver, external visible light communication transmitter, a modulated light source, a photodetector and a Fresnel Lens.
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Visible Light Communication (VLC) Optical Receiver
The third one was published in US around 2019 about the use of a physically modified Fresnel Lens where its curvature is set to a convex shape, creating multiple focal points once light is met from a source. This can allow it to diffract the light and improve the receiving end as different positions of the photodector can correspond to the created focal points.
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