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Asymptotic Analysis of Eigenvalue-Based Blind Spectrum Sensing Techniques
SnT - securityandtrust.lu, University of Luxembourg.ORCID iD: 0000-0003-2298-6774
2013 (English)In: 2013 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2013, 4464-4468 p.Conference paper, Published paper (Refereed)
Abstract [en]

Herein, we consider asymptotic performance analysis of eigenvalue-based blind Spectrum Sensing (SS) techniques for large-scale Cognitive Radio (CR) networks using Random Matrix Theory (RMT). Different methods such as Scaled Largest Value (SLE), Standard Condition Number (SCN), John's detection and Spherical Test (ST) based detection are considered. The asymptotic sensing bounds for John's detection and ST based detection techniques are derived under a noise only hypothesis for sensing the presence of Primary Users (PUs). These asymptotic bounds are then used as thresholds for the SS decision and their performance is compared with other techniques in terms of probability of correct detection under both hypotheses. It is noted that the SLE detector is the best for a range of scenarios, followed by JD, SCN, ST. Furthermore, it is shown that noise correlation significantly degrades the performance of ST and JD detectors in practical scenarios.

Place, publisher, year, edition, pages
2013. 4464-4468 p.
Series
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, ISSN 1520-6149
Keyword [en]
Asymptotic Analysis, Cognitive Radio, Random Matrix theory, Spectrum Sensing
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-139013DOI: 10.1109/ICASSP.2013.6638504ISI: 000329611504125Scopus ID: 2-s2.0-84890484199ISBN: 9781479903566 (print)OAI: oai:DiVA.org:kth-139013DiVA: diva2:682118
Conference
2013 38th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2013; Vancouver, BC, Canada, 26-31 May, 2013
Note

QC 20140313

Available from: 2013-12-23 Created: 2013-12-23 Last updated: 2017-03-28Bibliographically approved

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Ottersten, Björn

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