Referenced Items are not available for this document.
In cooperative spectrum sensing, information from several cognitive radios (CRs) is used for detecting the primary user. To reduce sensing overhead and total energy consumption, it is recommended to cooperate only with the CRs that have the best detection performance. However, the problem is that it is not known a priori which of the CRs have the best detection performance. In this letter, we are proposing three methods for selecting the CRs with the best detection performance based only on hard (binary) local decisions from the CRs. Simulations are used to evaluate and compare the methods. The results indicate that the proposed CR selection methods are able to offer significant gains in terms of system performance.
Published in:
Signal Processing Letters, IEEE
(Volume:17
,
Issue:
4
)
Date of Publication: April 2010
- Page(s):
- 359 - 362
- ISSN :
- 1070-9908
- INSPEC Accession Number:
- 11168438
- Digital Object Identifier :
- 10.1109/LSP.2010.2041581
- Product Type:
- Journals & Magazines
- Date of Publication :
- 26 January 2010
- Date of Current Version :
- 17 February 2010
- Issue Date :
- April 2010
- Sponsored by :
- IEEE Signal Processing Society
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