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An optimized spectrum sharing scheme for cognitive radio

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Abstract

In this paper, the spectrum sharing problem in cognitive radio is studied as a maximization optimization problem. First, two different optimization models are represented to maximize utilization and fairness in spectrum sharing. Then, an improved Teaching–Learning-Based-Optimization (iTLBO) algorithm is proposed and applied to solve the spectrum sharing optimization problem. Evaluated by 10 benchmark functions, the proposed iTLBO algorithm shows best optimization performance than the other optimization algorithms on most benchmark functions. Finally, the simulation results validate that the proposed spectrum sharing scheme improves both the spectrum utilization and fairness compared to other existing methods.

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Authors and Affiliations

  1. Department of Electrical Engineering, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran

    Mehdi Askari & Rezvan Dastanian

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  1. Mehdi Askari
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  2. Rezvan Dastanian
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Correspondence to Mehdi Askari.

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Askari, M., Dastanian, R. An optimized spectrum sharing scheme for cognitive radio. Wireless Netw 29, 1621–1627 (2023). https://doi.org/10.1007/s11276-022-03193-5

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  • DOI: https://doi.org/10.1007/s11276-022-03193-5

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