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Design, optimization and comparative analysis of T-shape slot loaded microstrip patch antenna using PSO

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Abstract

This paper illustrates optimization and comparative analysis for rectangular microstrip patch antenna loaded with ‘T’-shape slot utilizing manual (conventional) optimization and particle swarm optimization (PSO) with curve fitting. Initially, a conventional antenna has been designed by cutting ‘T’-shape slot in rectangular radiating patch and manually optimized by selecting some parameters of patch as variable. The bandwidth and resonant frequency data obtained from IE3D simulation tool by varying distinct parameters of the conventional ‘T’-shape slot loaded antenna have been used for generating the curve in Graphmatica (curve fitting software) and developing the PSO program in MATLAB for optimization purpose. Finally, the PSO-optimized antenna has been attained and its performance has been compared with both initial conventional ‘T’-shape slot loaded antenna and manually optimized antenna. Fragmentary bandwidth of PSO-optimized ‘T’-shape slot loaded antenna has been increased by 16.86% as compared to initial conventional ‘T’-shape slot loaded antenna and kept the resonant frequency at 2.477 GHz near the desired frequency of 2.45 GHz.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Bundelkhand Institute of Engineering and Technology, Jhansi, UP, India

    Ramesh Kumar Verma & D. K. Srivastava

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  1. Ramesh Kumar Verma
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  2. D. K. Srivastava
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Correspondence to Ramesh Kumar Verma.

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Appendix

Appendix

See Tables 8, 9, 10 and 11.

Table 8 Variation in L1 = 4–14 mm (initial value = 8 mm)
Full size table
Table 9 Variation in L2 = 1.7–4.1 mm (initial value = 3.5 mm)
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Table 10 Variation in W1 = 2–14 mm (Initial value = 8 mm)
Full size table
Table 11 Variation in W2 = 3–9 mm (initial value = 5 mm)
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Verma, R.K., Srivastava, D.K. Design, optimization and comparative analysis of T-shape slot loaded microstrip patch antenna using PSO. Photon Netw Commun 38, 343–355 (2019). https://doi.org/10.1007/s11107-019-00867-7

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  • DOI: https://doi.org/10.1007/s11107-019-00867-7

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