LED Technology


encoding technology and a solid backbone – all of which is offered by G.hn technology. The way to generate the signal is to modulate the light source – essentially turning the light on and off very quickly in a pattern. The pattern is the wave form and a baseband technology is required to generate this. G.hn technology is a baseband technology and the wave form generated by G.hn is suitable for LiFi. As G.hn works over several media mediums, such as telephone wiring, coaxial cables and power lines, the wave form can be adapted for transmission across all these mediums. LiFi can be introduced as one additional type of medium to which the wave form can be adapted. This allows the existing G.hn technology to be reused for LiFi. G.hn is not a new technology, it has been developed and implemented for many years, deployed by service providers around the globe, is proven in its capabilities, and silicon is readily available on the market. This is why it is an excellent choice for LiFi.


Securing communications across the globe


Many organisations and institutions have already implemented LiFi and are benefitting from the security it offers. The


World Forum in The Hague, Netherlands, installed LiFi to offer a physical layer of security on top of their highly secure broadband connection. As a leader in hosting high-profile events attended by government figures, it was vital that communications within the World Forum offer a high degree of protection against security breaches or attacks. By implementing LiFi on top of the broadband connection already in place, the World Forum could ensure that meeting rooms were provided with secure, high-speed and reliable connectivity via a wireless network that was strictly limited inside each space. This allowed visitors, which often include world leaders and representatives from governments and agencies on a regular basis, to go about their work with no doubts over safety or security. Schools across Belgium, Italy, France, Germany, the US and the Netherlands have also installed LiFi to accelerate digitalisation in education. LiFi provides both students and staff with fast and reliable access to online tools in a highly secure way. Like many other industries, schools and educational facilities are becoming increasingly digital, with the use of laptops or tablets commonplace.


As more devices are used, concerns about security also rise. As LiFi is based on line of sight, major concerns are eliminated as it is increasingly diffi cult to eavesdrop or hack into a LiFi network from outside of the classroom or building.


Delivering secure connectivity As the telecommunications industry as a whole works to deliver ultra-fast connectivity, LiFi must be utilised alongside Wi-Fi and other technologies. It delivers a


secure, reliable and spectrum-saving solution that plays a signifi cant role in meeting global demands. With the capabilities and strengths of G.hn technology behind it, LiFi can transform communications in environments, from health and education to defence and fi nance, to deliver fast connectivity, high bandwidth and low latency, without compromising on the reliability, strength and availability of signals.


https://homegridforum.org/lifi/


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www.visioneng.com www.cieonline.co.uk ECS 210x130mm.indd 1 Components in Electronics 16/05/2022 16:09:53 May 2022 17


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