Design, Simulation and Experimental Analysis on Rectangular Microstrip Patch Antenna with Superstrates
V. Saidulu

V. Saidulu, Associate Professor, Department of ECE, Mahatma Gandhi Institute of Technology, Gandipet, Hyderabad.

Manuscript received on January 29, 2020. | Revised Manuscript received on February 15, 2020. | Manuscript published on February 30, 2020. | PP: 3541-3545 | Volume-9 Issue-3, February 2020. | Retrieval Number:  B4671129219/2020©BEIESP | DOI: 10.35940/ijeat.B4671.029320
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Abstract: This paper focuses on design, simulation and experimental analysis of rectangular MSA with and without superstrates. The rectangular MPA is designed at frequency range of 2.40 GHz, which is lying in the S band region. The transmission line model analysis and High Frequency Simulation Software (HFSS) is used for designing of proposed rectangular MPA. The proposed antenna is fabricated on Arlon diclad 880 substrate, whose dielectric constant is 2.2, thickness of the substrate is 1.6mm and loss tangent is 0.0009. In this paper the effect of dielectric superstrates on rectangular MPA and the height of superstrate are varying above the rectangular MPA is investigated experimentally and compared with simulated and measured results. The proposed antenna has been analyzed using different dielectric superstrates. From the study it was observed that in antenna without superstrate the VSWR is 1.21, return loss is -18.51dB, bandwidth is 0.038GHz. However, gain is 8.77dB. In the antennas with superstrates, center frequency is shifted from 2.40 GHz to 2.33 GHz as well as other parameters are slightly degraded. As superstrate height increases, the performance antenna is degraded and at particular optimum height the performance characteristics of antenna with and without superstrate will be same. The frequency range 2.40 GHz is used in wireless applications.
Keywords: Bandwidth, Gain, Superstrate, Voltage Standing Ratio.