Photo: White spaces: Accessing the Internet over unused portions of TV spectrum could provide good long-range connectivity in rural areas, and help fill in gaps in city networks. Microsoft researchers tested a new protocol, called White Fi, using the device shown here. Credit: Microsoft ResearchFrom Technology Review:
A network design that uses old TV spectrum could produce better long-range wireless connectivity.
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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