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Efficient design and mathematical analysis of perturbed semi-circular patch antenna

Author

Listed:
  • Ribhu Abhusan Panda

    (GIET University)

  • Debasis Mishra

    (Veer Surendra Sai University of Technology)

Abstract

In this article the design and theory of an efficient microstrip antenna by just joining two convectional semicircular patches in such a way that the curved arcs touch each other, centers and joint point lie on same line, so a unique butterfly shape is formed. The joint point is connected to a simple feed. The antenna includes a substrate of FR 4 epoxy material of dielectric constant $${\varepsilon }_{r}$$ ε r =4.4. The radius of the semi-circular halves has been optimized by optimization tool in HFSS software. The return loss observed becomes − 39.56 dB at 25.4 GHz. The bandwidth that can be produced is 2 GHz, Antenna structure is of dimension 50 mm × 50 mm × 1.6 mm and the operational frequency that is set 25 GHz which is used for 5G communication. All the essential parameters for antenna design e.g., directivity, S- parameter, gain, VSWR are determined by both simulation and measurement. The authenticity of results is verified by mathematical analysis.

Suggested Citation

  • Ribhu Abhusan Panda & Debasis Mishra, 2025. "Efficient design and mathematical analysis of perturbed semi-circular patch antenna," International Journal of System Assurance Engineering and Management, Springer;The Society for Reliability, Engineering Quality and Operations Management (SREQOM),India, and Division of Operation and Maintenance, Lulea University of Technology, Sweden, vol. 16(1), pages 128-135, January.
    • Handle: RePEc:spr:ijsaem:v:16:y:2025:i:1:d:10.1007_s13198-024-02664-6
    DOI: 10.1007/s13198-024-02664-6
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