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International Journal of Sensors, Wireless Communications and Control

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ISSN (Print): 2210-3279
ISSN (Online): 2210-3287

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Research Article

Optimization of a Novel Nakagami-m Fading Affected Multiuser Cognitive Radio System Using a New Hybrid DE/BBO/SA

Author(s): Kiranjot Kaur*, Munish Rattan and Manjeet S. Patterh

Volume 10, Issue 6, 2020

Page: [976 - 988] Pages: 13

DOI: 10.2174/2210327910666200207115638

Price: $65

Abstract

Background and Objective: This communication introduces a multiple secondary user (SU) cognitive radio (CR) system in a dynamic fading environment, specifically Nakagami-m fading. The transmission parameters of the CR system are optimized to turn it into an optimal design.

Methods: For this purpose, a new hybrid of differential evolution, biogeography-based optimization with simulated annealing, namely DE/BBO/SA is proposed. The suggested method searches the best CR parameter values while accomplishing general communication objectives. Fitness functions of these objectives are modified to include fading as well as to accommodate multiple carriers.

Results and Conclusion: DE/BBO/SA generated results in terms of optimized parameters, fitness core and values of the objectives are compared with the ones acquired by other available techniques in the literature to show the efficacy of DE/BBO/SA in cognitive radio optimization. The performances are further validated by conducting a non-parametric statistical test to prove the use of proposed technique for solving CR problem.

Keywords: Cognitive Radio, designing, DE/BBO, Nakagami-m fading, optimization, SA, statistical test.

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