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Optimization of inscribed hexagonal fractal slotted microstrip antenna using modified lightning attachment procedure optimization

Published online by Cambridge University Press:  06 March 2020

Rohit Anand Open the ORCID record for Rohit Anand [Opens in a new window]  and
Paras Chawla
Rohit Anand*
Affiliation:
IKG Punjab Technical University, Kapurthala, India
Paras Chawla
Affiliation:
Chandigarh University, Gharuan, Mohali, India
*
Author for correspondence: Rohit Anand, E-mail: [email protected]
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Abstract

An inscribed hexagonal fractal slotted patch antenna with some additional geometry and slots is proposed for the optimization in this paper. This research work is concerned with the optimization of this slotted fractal antenna with the help of the curve-fitting method in conjunction with the modified version of Lightning Attachment Procedure Optimization (MLAPO) technique. The data required for the curve-fitting technique and for the optimization technique have been obtained by varying some of the parameters of the proposed antenna. Different equations are developed to know the relations between these parameters of the proposed antenna. The MLAPO technique is applied thereafter to calculate the different optimized geometrical parameters to optimize the bandwidth for the proposed antenna. The optimized geometrical parameters are verified with the help of a parametric variation to justify the reliable optimization. The bandwidth obtained by the MLAPO technique has been found to be better than that obtained by PSO and normal LAPO algorithm. The prototype of the optimized antenna is fabricated and the experimental results are found to be compatible with the results obtained by simulation. The proposed optimized antenna may be utilized in various applications in C and X bands.

Keywords

Fractal AntennaHexagonal AntennaReflection CoefficientBandwidthOptimizationLightning Attachment Procedure Optimization (LAPO)Modified LAPO (MLAPO)
Type
Antenna Design, Modeling and Measurements
Information
International Journal of Microwave and Wireless Technologies , Volume 12 , Special Issue 6: EuCAP 2019 Special Issue , July 2020 , pp. 519 - 530
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Copyright
Copyright © Cambridge University Press and the European Microwave Association 2020

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