Performance analysis of energy detection over hyper-Rayleigh fading channels
- Author(s): Eleftherios Chatziantoniou 1 ; Ben Allen 1 ; Vladan Velisavljevic 1
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View affiliations
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Affiliations:
1:
Centre for Wireless Research , University of Bedfordshire , University Square , LU1 3JU Luton , UK
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Affiliations:
1:
Centre for Wireless Research , University of Bedfordshire , University Square , LU1 3JU Luton , UK
- Source:
Volume 2015, Issue 1,
January
2015,
p.
1 – 5
DOI: 10.1049/joe.2014.0271 , Online ISSN 2051-3305
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This study investigates the performance of energy detection (ED)-based spectrum sensing over two-wave with diffused power (TWDP) fading channels, which have been found to provide accurate characterisation for a variety of fading conditions. A closed-form expression for the average detection probability of ED-based spectrum sensing over TWDP fading channels is derived. This expression is then used to describe the behaviour of ED-based spectrum sensing for a variety of channels that include Rayleigh, Rician and hyper-Rayleigh fading models. Such fading scenarios present a reliable behavioural model of machine-to-machine wireless nodes operating in confined structures such as in-vehicular environments.
Inspec keywords: signal detection; Rayleigh channels; Rician channels
Other keywords: average detection probability; two-wave with diffused power fading channels; Rician channel; spectrum sensing; hyperRayleigh fading channels; energy detection; hyperRayleigh fading model
Subjects: Signal detection; Radio links and equipment
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