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While the lack of a business case is currently discouraging investors from backing streetlight-centric smart cities, the pending arrival of 5G mobile networks could help change all that, according to the boss of a Dutch software and systems firm.
“5G is very important,” said Henk Walraven, managing director of Luminext, speaking at the Smart Lighting Conference 2017 here this week. “The reason for 5G to be there is to actually to finance the whole thing.”
Many enthusiasts believe that urban outdoor lighting infrastructures are ready-made to form the backbone of smart cities. The idea is to outfit luminaires, or the poles that house them, with sensors and communication chips that gather data on crowds, traffic, parking, air quality, noise, weather conditions, and much more. This data, when connected to the Internet, can then help authorities operate cities more effectively, can help people make informed choices about how to use the city, can feed retailers and other businesses with useful information, and so on.
But claiming that a lot of this today requires expensive wired networks (even though many early examples also use some form of wireless), Walraven noted, “There's no business case.” But in the near future, the huge leap in bandwidth and capacity augured by 5G will help support data transfer rates that will expand the capabilities of what wirelessly connected smart lighting can do.
“If you want to do fiberoptics to the lampposts every five lampposts, there's nobody that wants to pay for it,” said Walraven. “But if I can then go to small cells and 5G equipment, then the investors in that will actually have a little bit more patience in waiting for their investment to pay back.”
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