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Building a Wi-Fi network on top of spare TV frequencies

AUG 18, 2009
Physics Today
Technology Review : Long-range, low-cost wireless internet could soon be delivered using radio spectrum once reserved for use by TV stations. The blueprints for a computer network that uses “white spaces,” which are empty fragments of the spectrum scattered between used frequencies, will be presented today at ACM SIGCOMM 2009 , a communications conference held in Barcelona, Spain.
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