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Performance Analysis of Multiple Access for Secondary Users in The Spectrum Sensing Cognitive Radio
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  • Journal title : Journal of Broadcast Engineering
  • Volume 21, Issue 1,  2016, pp.113-116
  • Publisher : The Korean Institute of Broadcast and Media Engineers
  • DOI : 10.5909/JBE.2016.21.1.113
 Title & Authors
Performance Analysis of Multiple Access for Secondary Users in The Spectrum Sensing Cognitive Radio
Hong, Seung Geun; Lee, Jae Hong;
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 Abstract
Cognitive radio network technology is that secondary (unlicensed) users use the spectrum of primary (licensed) users without interfering primary communication. In this paper, we propose multiple access scheme for a cognitive radio network, where multiple secondary users access spectrum of one primary user. We consider two types of multiple access scheme, one is p-persistent and one is non-persistent, and apply these two schemes in the secondary network. For each multiple access scheme, total throughput of secondary network is derived and verified by Monte Carlo simulation. Simulation results show that maximum total throughput of the secondary network is achieved when channel access probability or the number of maximum waiting frames is chosen appropriately.
 Keywords
cognitive radio;spectrum sensing;multiple access;CSMA;p-persistent;non-persistent;
 Language
Korean
 Cited by
 References
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