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Improved energy detectors for cognitive radios with randomly arriving or departing primary users
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Beaulieu, Norman C. and Chen, Yunfei (2010) Improved energy detectors for cognitive radios with randomly arriving or departing primary users. IEEE Signal Processing Letters, Vol.17 (No.10). pp. 867-870. doi:10.1109/LSP.2010.2064768 ISSN 1070-9908.
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Official URL: http://dx.doi.org/10.1109/LSP.2010.2064768
Abstract
New and improved energy detectors for cognitive radios are derived by considering the effect of the primary user traffic on spectrum sensing. The new energy detectors are designed based on the assumption that the primary user randomly arrives or departs during the sensing period. Numerical results show that the new energy detector outperforms the conventional energy detector in all the cases examined. The performance gain depends on the operating signal-to-noise ratio as well as the sample size used.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | IEEE Signal Processing Letters | ||||
| Publisher: | IEEE | ||||
| ISSN: | 1070-9908 | ||||
| Official Date: | October 2010 | ||||
| Dates: |
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| Volume: | Vol.17 | ||||
| Number: | No.10 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 867-870 | ||||
| DOI: | 10.1109/LSP.2010.2064768 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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