How Radio Could Make Wi-Fi Less Frustrating

WirelessIf you’ve ever been at an airport, a technology convention or any other large public space, you’ll know they have among them some of the least reliable wi-fi connections. With so many devices accessing wi-fi networks at once, signal strength and data speed can slow to a crawl.

Now researchers are working on a new system that may make your wi-fi outings less frustrating.

It uses cognitive radio – a transmitter and receiver system that makes better use of the available radio-frequency spectrum and can shift services to frequencies where there isn’t as much traffic.

Recent programs using cognitive radio, sometimes called “dynamic spectrum management”, have been launched in Canada and Europe. Carriers and mobile device manufacturers have shown interest, with several companies, including Nokia, carrying out lab research.

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