Chen, Yunfei (2012) Collaborative spectrum sensing in the presence of secondary user interferences for lognormal shadowing. Wireless Communications and Mobile Computing, Vol.12 (No.5). pp. 463-472. doi:10.1002/wcm.979 ISSN 1530-8669.

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Abstract

The performance of collaborative spectrum sensing is examined for lognormal shadowing channels when secondary user interferences (SUIs) occur. Both soft decision rule and hard decision rule are considered. Computer simulation shows that the SUIs can be ignored in some cases, depending on the signal-to-noise ratio (SNR), the signal-to-interference ratio, the number of secondary users, the sample correlation, and the decision rule. Thus, by choosing appropriate system parameters, one may conduct collaborative spectrum sensing at the same time as secondary data transmission to save overheads. Copyright © 2010 John Wiley & Sons, Ltd.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH):	Wireless communication systems, Electromagnetic interference, Cognitive radio networks
Journal or Publication Title:	Wireless Communications and Mobile Computing
Publisher:	John Wiley & Sons Ltd.
ISSN:	1530-8669
Official Date:	10 April 2012
Dates:	Date Event 10 April 2012 Published
Volume:	Vol.12
Number:	No.5
Page Range:	pp. 463-472
DOI:	10.1002/wcm.979
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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