Cubic Spline-Based Genetic Algorithm Optimization for Millimeter and Microwave Integrated Circuits

A clamped cubic spline profile taper of an air-filled substrate integrated waveguide (SIW) transition was optimized to search for the optimal design of taper in this paper. The optimization technique involved a combination of the multi-objective genetic algorithm (MOGA) and full-wave analysis of the...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-09, Vol.920 (1), p.12026
Main Authors: Mansor, N H, Abdul-Rahman, R
Format: Article
Language:English
Subjects:
air-filled substrate integrated waveguide (SIW)
clamped cubic spline method
Design optimization
Extremely high frequencies
genetic algorithm optimization
Genetic algorithms
Integrated circuits
Millimeter-wave
multi-objective genetic algorithm
Optimization techniques
substrate integrated waveguide (SIW)
Substrate integrated waveguides
Tapering
Transmission loss
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Summary:A clamped cubic spline profile taper of an air-filled substrate integrated waveguide (SIW) transition was optimized to search for the optimal design of taper in this paper. The optimization technique involved a combination of the multi-objective genetic algorithm (MOGA) and full-wave analysis of the waveguide. The data from the return and transmission losses provides a basis for the optimization of the transition tapers design. The simulation results show the efficacy of our proposed strategy, where the optimal taper geometry yields an improvement of the return loss while maintaining its original transmission loss at Ka-band (26-40 GHz) frequencies.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/920/1/012026