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2016

Spectrum White Space Trade in Cognitive Radio Networks

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Spectrum White Space Trade in Cognitive Radio Networks
—We study price competition among primaries in a Cognitive Radio Network (CRN) with multiple primaries and secondaries located in a large region. In every slot, each primary has unused bandwidth with some probability, which may be different for different primaries. Also, there may be a random number of secondaries. A primary can lease out its unused bandwidth to a secondary in exchange for a fee. Each primary tries to attract secondaries by setting a lower price for its bandwidth than the other primaries. Radio spectrum has the distinctive feature that transmissions at neighboring locations on the same channel interfere with each other, whereas the same channel can be used at far-off locations without mutual interference. So in the above price competition scenario, each primary must jointly select a set of mutually non-interfering locations within the region (which corresponds to an independent set in the conflict graph representing the region) at which to offer bandwidth and the pr...
Gaurav S. Kasbekar, Saswati Sarkar
Added 10 Apr 2016
Updated 10 Apr 2016
Type Journal
Year 2016
Where TAC
Authors Gaurav S. Kasbekar, Saswati Sarkar
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