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Primary System Detection for Cognitive Radio: Does Small-Scale Fading Help?
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Royal Institute of Technology.
2007 (English)In: IEEE Communications Letters, ISSN 1089-7798, Vol. 11, no 10, 799-801 p.Article in journal (Refereed) Published
Abstract [en]

We consider the effect of small-scale fading on thedetection of weak signals in cognitive radio systems.We formulatea model for the detection problem taking fading into account,and give the associated likelihood ratio tests. Additionally we givean expression for the asymptotic detection performance and usethis to consider the tradeoff between the detection performanceand the coherence time and bandwidth of the channel.

Place, publisher, year, edition, pages
2007. Vol. 11, no 10, 799-801 p.
Keyword [en]
Cognitive radio, detection
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-25570DOI: 10.1109/LCOMM.2007.070923OAI: diva2:245936
©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. Erik G. Larsson and Giorgio Regnoli, Primary System Detection for Cognitive Radio: Does Small-Scale Fading Help?, 2007, IEEE Communications Letters, (11), 10, 799-801. Available from: 2009-10-08 Created: 2009-10-08 Last updated: 2010-01-19

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