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Performance Analysis of Cognitive Relay Networks Under Power Constraint of Multiple Primary Users
Responsible organisation
2011 (English)Conference paper, (Refereed) Published
Abstract [en]

Cognitive relaying is a promising technique to improve spectrum utilization in mobile networks. In this paper, we consider a scenario in which a secondary transmitter communicates with a secondary receiver by the help of a secondary relay. The secondary user should adjust its transmission power in order to not cause any harmful interference to the multiple primary users operating in the licensed spectrum. In this context, we investigate the end-to-end performance of cognitive relay networks in terms of outage probability and ergodic capacity over Nakagami-m fading channels. A closed-form expression for outage probability and an approximation for ergodic capacity are derived. Furthermore, the presented numerical examples illustrate the impact of the number of primary users on the performance of cognitive relay networks.

Place, publisher, year, edition, pages
Houston: IEEE , 2011.
Keyword [en]
cognitive relay networks, spectrum sharing
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:bth-7433ISI: 000300509000085Local ID: oai:bth.se:forskinfoE97291F0DC67AE7FC1257947007B18F0ISBN: 978-1-4244-9268-8 (print)OAI: oai:DiVA.org:bth-7433DiVA: diva2:835048
Conference
IEEE GLOBECOM 2011
Available from: 2012-09-18 Created: 2011-11-13 Last updated: 2015-06-30Bibliographically approved

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Zepernick, Hans-Jürgen
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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