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LiFi: how the new technology that wants to replace WiFi using light works

2023-03-04T12:00:14.190Z


The PureLiFi firm presented the latest advances in its light connection technology. For some time there has been talk about the possibility that data from the Internet, instead of traveling through radio frequency, does so through pulses of light. The latest advances from the PureLiFi firm were presented at the Mobile World Congress 2023. The main novelty is a light antenna that stands out for being the first to comply with the 802.11bb global light communication standard, which


For some time there has been talk about the possibility that data from the Internet, instead of traveling through radio frequency, does so through pulses of light.

The latest advances from the PureLiFi firm were presented at the Mobile World Congress 2023.

The main novelty is a light antenna that stands out for being the first to comply with the 802.11bb global light communication standard, which is in its final stages of certification and is compatible with 802.11 WiFi network equipment.

Until now, a network with this technology was made up of peripherals that facilitated connection to the LiFi network, but which, due to the fact that they are a loose piece of hardware, were more of a complication than a true

solution

.

The Light Antenna ONE is optimized for the performance, size, cost and throughput requirements of the market, which will enable manufacturers of smartphones and connected devices

to integrate LiFi at scale

.

The advantages of using light for the Internet.

The great milestone of this antenna is its small size.

According to the manufacturer, it is "smaller than a US dime", which provides greater discretion and

optimal portability.

LiFi, which is short for "light fidelity," has been

on the market for almost 10 years

, with big companies like Disney and Signify investing in it, but which, in the absence of a standard, has not yet reached the mainstream.

Experts point out that, since light is a wave, just like water, it has a characteristic known as polarization, which describes the direction in which the waves vibrate and allows light to be controlled.

By taking advantage of visible light, in certain investigations they have been able to reach speeds of 10 Gbps.

This allows information to be sent very quickly through optical signals above what Wi-Fi technology currently offers.

Most wireless data transmissions, such as Wi-Fi and 5G, occur through the use of radio frequencies.

But with LEDs, engineers can modulate the frequency of light in such a way that it transmits information.

Other connection options

The new device from pureLiFi.

To broaden the spectrum, the company also presented a series of concepts that demonstrate how LiFi technology improves connectivity in both home and business environments.

One of them is the LiFi Cube, a plug-and-play LiFi gateway that enables a fast, reliable LiFi connection.

And also the HALO, an accessory that offers high-speed, low-latency LiFi connections to AR/VR headsets.

The development team of this company has also shown the LINXC 5G LiFi bridge that shows how light can extend the 5G signal, in particular mmWave, through windows when there are challenges to extend said signal in buildings.

“Whether it's to enable secure work from home, give gamers an edge, or help service providers extend 5G to new customers.

We have shown here that the applications for LiFi are vast, that our technology is versatile, and that pureLiFi is poised to enhance connectivity,” said Alistair Banham, CEO of pureLiFi.

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Source: clarin

All tech articles on 2023-03-04

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