{"id":31632,"date":"2022-07-13T13:17:09","date_gmt":"2022-07-13T12:17:09","guid":{"rendered":"https:\/\/www.ispreview.co.uk\/?p=31632"},"modified":"2022-07-13T13:17:09","modified_gmt":"2022-07-13T12:17:09","slug":"purelifi-get-10m-to-develop-wi-fi-style-visible-light-networks","status":"publish","type":"post","link":"https:\/\/www.ispreview.co.uk\/index.php\/2022\/07\/purelifi-get-10m-to-develop-wi-fi-style-visible-light-networks.html","title":{"rendered":"pureLiFi Get \u00a310m to Develop Wi-Fi Style Visible Light Networks"},"content":{"rendered":"

The Scottish National Investment Bank has awarded \u00a310m to help Edinburgh-based pureLiFi<\/a>, which has spent years developing a new Visible Light Communication (VLC) based networking method called LiFi, to support a global rollout of their revolutionary technology.<\/p>\n

VLC networks, at least the newer type that pureLiFi is talking about, essentially turn Light-Emitting Diode<\/strong> (LED) based light bulbs into a sophisticated wireless data network (similar to how Infrared links work). This is achieved by turning the bulb(s) on and off many times a second (most of them already do this to save power) and, by altering the length of these “flickers<\/em>“, as well as other properties of the light, you can introduce a digital communication (e.g. think of Morse Code with a torch).<\/p>\n

NOTE:<\/strong> LiFi stands for Light Fidelity.<\/div>\n

However, the technology has often struggled to take off, which is partly due to the fact that the market has been dominated by proprietary standards. But in 2019 an international group of companies from across the Wi-Fi ecosystem (Intel, TI, Quantenna, Cisco and HPE etc.) came together to develop a proper standard based on Wi-Fi (IEEE 802.11). The new LiFi standard – called 802.11bb<\/strong> – is currently in Draft 2.0 and nearing completion.<\/p>\n

Suffice to say, LiFi may have had a VERY.. slow start, but the bank’s investment suggest that it might finally be about to get off the ground. PureLiFi will use the extra funding to further develop new LiFi technologies, while opening up additional markets in more consumer-friendly areas, such as mobile phones, tablets, wearables and other connected devices.<\/p>\n

Alistair Banham, pureLiFi CEO, said:<\/strong><\/p>\n

“The Bank\u2019s investment will help us achieve our vision to connect everyone and everything with LiFi. We introduced our technology to the world from Scotland and it is important for us to grow our company and ecosystem from here.<\/p>\n

Our vision is for Scotland to be a recognised centre of excellence for LiFi. In the future customers from around the world will come to us for our innovative technology and leverage the wider photonics ecosystem that already exists here in Scotland.”<\/p><\/blockquote>\n

At present most of the early indoor VLC networks have been aimed at office environments and tended to deliver speeds of around 40Mbps to 250Mbps (depending upon the setup and number of bulbs etc.), although the technology has since pushed into multi-gigabit territory. But it remains to be seen how the latter translates into the real-world.<\/p>\n

The clear advantage of VLC is that it could remove some of the capacity strain from existing wireless networks and would be more secure (you can still intercept the signal, but it\u2019s trickier than WiFi<\/a>). On the other hand, VLC is currently more of a complement than a replacement for WiFi<\/a>, particularly as spreading the service around your home would be difficult \/ expensive without replacing the bulbs in every room.<\/p>\n

The other question mark is over how much extra electricity such bulbs would consume, as well as whether consumers might find themselves in the odd situation of needing to leave their lights switched-on during the daytime in order to benefit (note: they can be dimmed down to c.10% brightness and still work).<\/p>\n

Nevertheless, it’s an interesting technology, albeit one that may struggle to take off until there are some real and affordable consumer products on the market. Even then, it faces an uphill struggle against the established giant that is modern WiFi<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

The Scottish National Investment Bank has awarded \u00a310m to help Edinburgh-based pureLiFi, which has spent years developing a new Visible Light Communication (VLC) based networking method called LiFi, to support a global rollout of their revolutionary technology.<\/p>\n","protected":false},"author":1,"featured_media":31634,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[1],"tags":[477,476],"class_list":["post-31632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uk_isp_news","tag-science","tag-wifi"],"share_on_mastodon":{"url":"","error":""},"yoast_head":"\npureLiFi Get \u00a310m to Develop Wi-Fi Style Visible Light Networks - ISPreview UK<\/title>\n<meta name=\"description\" content=\"The Scottish National Investment Bank has awarded \u00a310m to help Edinburgh-based pureLiFi, which has spent years developing a new Visible Light\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ispreview.co.uk\/index.php\/2022\/07\/purelifi-get-10m-to-develop-wi-fi-style-visible-light-networks.html\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"pureLiFi Get \u00a310m to Develop Wi-Fi Style Visible Light Networks - 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