DocumentCode
1400492
Title
Investigation on multiuser diversity in spectrum sharing based cognitive radio networks
Author
Zhang, Rui ; Liang, Ying-Chang
Author_Institution
Inst. for Infocomm Res., A*STAR, Singapore, Singapore
Volume
14
Issue
2
fYear
2010
fDate
2/1/2010 12:00:00 AM
Firstpage
133
Lastpage
135
Abstract
A new form of multiuser diversity, named multiuser interference diversity, is investigated for opportunistic communications in cognitive radio (CR) networks by exploiting the mutual interference between the CR and the existing primary radio (PR) links. The multiuser diversity gain and ergodic throughput are analyzed for different types of CR networks and compared against those in the conventional networks without the PR link.
Keywords
cognitive radio; diversity reception; multi-access systems; radio links; radiofrequency interference; spread spectrum communication; cognitive radio network; ergodic throughput; multiuser diversity gain; multiuser interference diversity; mutual interference; opportunistic communications; primary radio links; spectrum sharing; Chromium; Cognitive radio; Diversity methods; Fading; H infinity control; Interference constraints; Power system modeling; Radio transmitters; Throughput; Wireless communication; Cognitive radio, interference temperature, multiuser diversity, spectrum sharing;
fLanguage
English
Journal_Title
Communications Letters, IEEE
Publisher
ieee
ISSN
1089-7798
Type
jour
DOI
10.1109/LCOMM.2010.02.091649
Filename
5403611
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