Spectrum sensing error optimisation in cognitive radio networks

Jayawickrama, BA; Dutkiewicz, E; Fang, G

Spectrum sensing error optimisation in cognitive radio networks

Jayawickrama, BA Dutkiewicz, E

Fang, G

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Publication Type:: Conference Proceeding
Citation:: 2012 International Symposium on Communications and Information Technologies, ISCIT 2012, 2012, pp. 787 - 792
Issue Date:: 2012-12-01

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Field	Value	Language
dc.contributor.author	Jayawickrama, BA	en_US
dc.contributor.author	Dutkiewicz, E https://orcid.org/0000-0002-4268-9286	en_US
dc.contributor.author	Fang, G	en_US
dc.date.issued	2012-12-01	en_US
dc.identifier.citation	2012 International Symposium on Communications and Information Technologies, ISCIT 2012, 2012, pp. 787 - 792	en_US
dc.identifier.isbn	9781467311571	en_US
dc.identifier.uri	http://hdl.handle.net/10453/120226
dc.description.abstract	In this paper, we analyse the spectrum sensing error in cognitive radio networks that use energy detection to determine the presence of primary users. We present a theoretical framework to show the existence of a minimum in the spectrum sensing error for an optimally selected energy detection threshold. We apply our analysis to both cooperative and non-cooperative sensing network scenarios. In the cooperative configuration, we present upper and lower bounds for the optimum energy detection threshold and in the non-cooperative configuration, we present a closed form expression for the optimum energy detection threshold. We also investigate the sensitivity of the sensing error to the detection threshold at different PU signal levels. We validate our analysis against empirical data obtained from a cognitive radio testbed based on the Universal Software Radio Peripheral hardware platform. © 2012 IEEE.	en_US
dc.relation.ispartof	2012 International Symposium on Communications and Information Technologies, ISCIT 2012	en_US
dc.relation.isbasedon	10.1109/ISCIT.2012.6381009	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Spectrum sensing error optimisation in cognitive radio networks	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

In this paper, we analyse the spectrum sensing error in cognitive radio networks that use energy detection to determine the presence of primary users. We present a theoretical framework to show the existence of a minimum in the spectrum sensing error for an optimally selected energy detection threshold. We apply our analysis to both cooperative and non-cooperative sensing network scenarios. In the cooperative configuration, we present upper and lower bounds for the optimum energy detection threshold and in the non-cooperative configuration, we present a closed form expression for the optimum energy detection threshold. We also investigate the sensitivity of the sensing error to the detection threshold at different PU signal levels. We validate our analysis against empirical data obtained from a cognitive radio testbed based on the Universal Software Radio Peripheral hardware platform. © 2012 IEEE.

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http://hdl.handle.net/10453/120226