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On the Efficiency of Distributed Spectrum Sensing in Ad-hoc Cognitive Radio Networks
KTH, School of Electrical Engineering (EES), Communication Networks.
KTH, School of Electrical Engineering (EES), Communication Networks.ORCID iD: 0000-0002-2764-8099
2009 (English)In: 2009 ACM WORKSHOP ON COGNITIVE RADIO NETWORKS-CORONET 09, NEW YORK: ASSOC COMPUTING MACHINERY , 2009, 7-12 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this work we evaluate the efficiency of cooperative spectrum sensing to support cognitive radio operation, when sensing is assigned to the cognitive users, randomly located in the area of a primary network. We derive analytic expressions for sensing performance based on the traditional metrics of missed detection and false alarm probabilities, and show the existence of an optimal cooperation range. False alarm and missed detection probabilities, however, do not directly lead to performance degradation in the primary and low utilization in the cognitive system. We propose an interference model taking the cognitive access into account and optimize the sensing parameters in order to maximize the cognitive network capacity while satisfying the primary network interference constraints.

Place, publisher, year, edition, pages
NEW YORK: ASSOC COMPUTING MACHINERY , 2009. 7-12 p.
Keyword [en]
C.2.1 [computer-communication networks]: Network architecture and design - Wireless communication, Design, Performance
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-29213DOI: 10.1145/1614235.1614238ISI: 000282387300002Scopus ID: 2-s2.0-70449633092ISBN: 978-1-60558-738-7 (print)OAI: oai:DiVA.org:kth-29213DiVA: diva2:393442
Conference
ACM Workshop on Cognitive Radio Networks (CoRoNet 2009), Beijing, PEOPLES R CHINA, SEP 20-25, 2009
Note
QC 20110131Available from: 2011-01-31 Created: 2011-01-27 Last updated: 2011-01-31Bibliographically approved

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Fodor, Viktoria

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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