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A Cooperative Spectrum Sensing Scheme Based on Consensus in Cognitive Radio Systems

Mihwa SONG, Sekchin CHANG

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Summary :

In this letter, we present a novel cooperative spectrum sensing scheme for cognitive radio systems. The proposed approach is based on a consensus algorithm. Using the received signals, we set up a formula for the consensus algorithm, which guarantees a convergence to an agreement value. The simulation results exhibit that the performance of the consensus-based cooperative scheme is much better than that of the conventional cooperative technique in the case that the cooperative nodes for spectrum sensing are sparsely distributed in cognitive radio systems.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E96-A No.11 pp.2179-2181
Publication Date
2013/11/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E96.A.2179
Type of Manuscript
Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category
Mobile Information Network and Personal Communications

Authors

Mihwa SONG
  the University of Seoul
Sekchin CHANG
  the University of Seoul

Keyword