Can Lifi overcome IoT and 5G RF spectrum ‘crunch’?
LiFi benefits from a source that is 1000 times larger than the entire 300 GHz of RF spectrum and 600,000 larger than a 60 GHz WiFi/WiGig channel that, in turn, enables an exponential growth in future data rates and the advancement of IoT, Industry 4.0 and 5G.
Professor Harald Haas said: “If you look at the Internet of Things, traditional WiFi will be massively inefficient when there are so many devices interacting in one area. The networking ability to integrate with mobile is a groundbreaking development in LiFi, one that is characterized by the speed of data transfer and the continuing miniaturisation process.”
While WiGig delivers 7 Gbps, industry research predicts we will need access points that can deliver 53 Gbps by 2020 and more than 800 Gbps by 2025 (this would require at least a fifth of the entire 300 GHz radio spectrum which already is mostly occupied by commercial and defence applications). LiFi allows more access points than RF and WiGig, achieving the higher data rates necessary for the entire IoT in large part due to an ability to produce small cells necessary for faster data rates – as opposed to RF where interference is a major problem when it comes to 5G and the 5 metre cell radius required.
The high performance LiFi optical attocell network being developed by pureLiFi can achieve higher data rates in dense environments compared to multicellular RF networks and incorporates inherent data security characteristics. The company’s latest LiFi dongle and LiFi access point (LiFi-X) were recently demonstrated at Mobile World Congress and mobile integration remains the primary focus on the product roadmap in 2016.
pureLiFi invented, developed and commercialzsed the world’s first full wireless LiFi networking system and has since developed a stream of next generation products. LiFi is a technology invented by Professor Haas based on visible light communication (VLC) that provides full networking capabilities similar to WiFi but with greater spatial reuse of bandwidth.
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