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Physical-layer security enhancement in cognitive radio networks using whale optimization-based sidelobe suppression

OFDM-based cognitive radio networks suffer from high sidelobe emissions, leading to adjacent interference and potential security vulnerabilities. This paper introduces a Whale Optimization Algorithm (WOA)-based cancellation carrier (CC) approach for sidelobe suppression. Unlike conventional fixed-am...

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Principais autores: Atif Elahi, Noor Gul, Adnan Elahi, Su Min Kim, Junsu Kim
Format: Artigo
Sprog:Inglês
Udgivet: Elsevier 2026-06-01
Serier:ICT Express
Fag:
Cybersecurity
Cognitive radio
Orthogonal frequency division multiplexing
Whale optimization algorithm
Cancellation carriers
Online adgang:http://www.sciencedirect.com/science/article/pii/S2405959526000706
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