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A Cell-Phone Network Without a License Friday, October 22, 2010 - Anuradha Menon Home >> Headlines >> General Technology   
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A trial cell-phone network in Fort Lauderdale, Florida, gets by without something every other wireless carrier needs: its own chunk of the airwaves. Instead, xG Technology, which made the network, uses base stations and handsets of its own design that steer signals through the unrestricted 900-megahertz band used by cordless phones and other short-range devices. It's a technique called "cognitive" radio, and it has the potential to make efficient use of an increasingly limited resource. (source: technologyreview.com)
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