Performance evaluation of cognitive relay networks for end user mobile over mixed realistic channels

Cognitive relay network is a spectrum dynamic paradigm that exploits the unused portions of the licensed spectrum. This is based on merging both cooperative relaying techniques and cognitive radio network to achieve spectrum efficiency and enhance the overall system performance. In this paper, the p...

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Bibliographic Details
Published in:IET communications 2023-01, Vol.17 (2), p.228-245
Main Authors: Khodeir, Mahmoud A., Al‐Mistarihi, Mamoun F., Ibrahem, Lama N.
Format: Article
Language:English
Subjects:
Channels
Codes
Cognitive radio
Communications systems
Constraints
Doppler effect
End users
Fading
Monte Carlo simulation
Performance evaluation
Propagation
Radio networks
Receivers & amplifiers
Relay networks
Relaying
Statistical analysis
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Summary:Cognitive relay network is a spectrum dynamic paradigm that exploits the unused portions of the licensed spectrum. This is based on merging both cooperative relaying techniques and cognitive radio network to achieve spectrum efficiency and enhance the overall system performance. In this paper, the presence of mobile users at the destination node is considered. Here, the end users can navigate at relatively fast vehicular velocities causing dynamic multipath fading and high Doppler shift. which can be fairly modelled using Nakagami‐m$m\;$fading channel (i.e. m
ISSN:1751-8628
1751-8636
DOI:10.1049/cmu2.12528