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According to the FCC's final rule for the unlicensed use of TV white spaces, secondary users are required to query a geo-location database to determine whether a spectrum band is occupied or not. However, how to design a multi-cell infrastructure-based secondary network to dynamically access TV white spaces with the help of database is still an open issue. In this paper, the authors present the design and implementation of WhiteNet, a multi-cell infrastructure-based dynamic spectrum access system on TV white spaces. WhiteNet is compatible with the FCC's database architecture. In WhiteNet, the geo-location database is exploited to assist multi-AP coordination.
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