volume | PIER Journals

Abstract

A Mushroom-Cloud-shaped wide slot Microstrip patch antenna (MC-MSPA) was discovered and proved to be a viable option for Wideband applications in this research study. The given antenna has a high radiation and wideband reflection coefficient of 134.47% from 1.15 GigaHz to 5.87 GigaHz for |S₁₁|<-10 dB. This antenna has a peak gain of 6.47 dBi at 4.6 GigaHz and 6.1 dBi at 5 GigaHz, as well as an return loss of 47.37 dB at 1.88 GHz. MC-MSPA has optimised dimensions of 0.73λ_g×0.72λ_g×0.02λ_g. Furthermore, a reflecting surface of a 7×7 square-shaped array beneath the ground plane has been included to provide even higher gain and directivity. The proposed MC-MSPA+RP antenna has a fractional bandwidth of 63% with dual bands from 1.438 to 2.782 GigaHz and 38.89% from 3.964 to 5.878 GigaHz, with a peak gain of 9.657 dBi, maximum directivity of 10.44 dBi at 5 GigaHz, and maximum return loss of 54 dB at 4.9 GigaHz. Reflector plate electrical dimensions have been enhanced to 0.87λ_g×0.87λ_g×0.24λ_g. The proposed design improves gain and directivity, both of which are important for WLAN and Wi-MAX applications.

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Dr. Maniram Ahirwar

Dr. Virendra Singh Chaudhary