On the Scalability of Cognitive Radio: Assessing The Commercial Viability of Secondary Spectrum Access

02
Jun
2013
Posted by: Jenny Minnema   /   0 Comment

QUASAR_business_edited

We report results from the recently finished QUASAR project, which has studied overall system aspects of cognitive radio technologies and has paid attention particularly to the economic viability of different use cases. We find that successful secondary sharing goes far beyond the detection of spectrum holes. Large-scale commercial success requires that secondary systems are scalable so that a large number of users can be served in an economically viable fashion.

Our key finding is that secondary spectrum use is not an attractive method for most of the commercially interesting scenarios, from neither a business nor technical perspective. Perhaps somewhat surprisingly, the likely commercial “sweet spot” for secondary sharing in the lower frequency bands is short-range indoor communications. We also find that regulation does not currently present a significant barrier in Europe or the United States.

J.Zander, Lars K. Rasmussen, Kiwon Sung, Petri Mähönen, Marina Petrova, Riku Jäntti, Jonas Kronander, “On the Scalability of Cognitive Radio: Assessing The Commercial Viability of Secondary Spectrum Access“, IEEE Wireless Communcations, April 2013

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