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Performance comparison of feature-based detectors for spectrum sensing in the presence of primary user traffic

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Chen, Yunfei, Wang, Cong and Zhao, Bo (2011) Performance comparison of feature-based detectors for spectrum sensing in the presence of primary user traffic. IEEE Signal Processing Letters, Vol.18 (No.5). pp. 291-294. doi:10.1109/LSP.2011.2123091 ISSN 1070-9908.

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Official URL: http://dx.doi.org/10.1109/LSP.2011.2123091

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Abstract

The performances of four commonly used feature-based detectors for spectrum sensing are compared by assuming that the primary user may arrive or depart during the sensing period, a realistic case when the primary user traffic is high or the sensing period is long. Numerical results show that the frequent state transition of the licensed channel degrades the detector performances and that the amount of degradation depends on the primary user traffic intensity, the number of samples used, as well as the primary user signal-to-noise ratio. Also, our numerical examples show that different feature-based detectors have different robustness to the primary user traffic, allowing us to choose the best feature-based detector in terms of the primary user traffic.

Item Type: Journal Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Journal or Publication Title: IEEE Signal Processing Letters
Publisher: IEEE
ISSN: 1070-9908
Official Date: May 2011
Dates:
DateEvent
May 2011Published
Volume: Vol.18
Number: No.5
Page Range: pp. 291-294
DOI: 10.1109/LSP.2011.2123091
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

Data sourced from Thomson Reuters' Web of Knowledge

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