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International Journal of Wireless and Microwave Technologies(IJWMT)

ISSN: 2076-1449 (Print), ISSN: 2076-9539 (Online)

Published By: MECS Press

IJWMT Vol.7, No.6, Nov. 2017

Design of Microstrip Trapezoidal Patch Antenna Using Coaxial Feeding Technique for Space Applications

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Author(s)

Deepanshu Kaushal, Shanmuganantham Thangavelu

Index Terms

High Frequency Structural Simulator (HFSS);Radio Frequency (RF)

Abstract

A microstrip trapezoidal patch antenna structure has been proposed to serve different space applications including the fixed satellite applications, mobile and radiolocation services. This structure utilizes a 0.787 mm thick RT Duroid (5880) substrate of relative permittivity 2.2 and a dielectric loss tangent of 0.0009. A trapezium shaped patch has been formed on it. The patch is compact and has a novel geometry. The feeding technique employed is coaxial/probe feed. The parametric analysis done over HFSS-15 software to study the effects of the structural design over the behavior of antenna reveals the potentiality of the designed antenna to maintain a nearly constant gain upon the variation of several parameters individually.  The use of parallel slots in the design offer a reduction in the size of the patch [5]. The performance of the antenna has been analyzed in terms of reflection coefficient, bandwidth and radiation pattern. The antenna yielded a simulated single band reflection coefficient of -22.5 dB and a peak gain of 4.7 dBi at 3.64 GHz and an impedance bandwidth of 10 MHz at -10 dB reflection coefficient. The fabricated design was tested over VNA for its reflection coefficient. The measured results have been included.

Cite This Paper

Deepanshu Kaushal, Shanmuganantham Thangavelu," Design of Microstrip Trapezoidal Patch Antenna Using Coaxial Feeding Technique for Space Applications", International Journal of Wireless and Microwave Technologies(IJWMT), Vol.7, No.6, pp.1-12, 2017.DOI: 10.5815/ijwmt.2017.06.01

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