Performance Enhancement of Pentagonal Patch Microstrip-FED Antenna

Khanda Anum*, G. S. Tripathi**
PG Scholar, Department of Electronics and Communication Engineering, MMMUT, Gorakhpur, India
HOD, Department of Electronics and Communication Engineering, MMMUT, Gorakhpur, India
Periodicity:December - February'2018
DOI : https://doi.org/10.26634/jele.8.2.14138

Abstract

This paper presents a compact pentagon shaped monopole micro strip patch antenna which has been modified to improve its performance. All sides of pentagon patch are truncated and offset feeding is provided to enhance the bandwidth, Defected Ground Structure (DGS) is used which has two rectangular slots of quarter wavelength opposite to each other and a notch beneath the feedline on the partial ground plane. These slots on the ground plane improves the gain and return loss of the design. The analysis is performed and results are obtained using Ansoft HFSS. Various parameters which include impedance bandwidth, gain, efficiency, radiation pattern, current distribution of the antenna are studied. The performance of proposed antenna is compared with classical antenna design, both having
same operating frequency of 7.4 GHz. Results obtained from the simulation shows impedance bandwidth of 16.65 (3.85- 20.5 GHz) GHz which is 60% enhanced bandwidth as compared to classical antenna, maximum gain of 6.85dB at 14.35 GHz, peak return loss of -41.6 dB at 7.2 GHz, good radiation pattern is observed at frequencies of 7.34, 10.4, and 19 GHz. Application of this antenna covers UWB, X Band and Ku Band and it can be used efficiently for mobile or satellite communication.

Keywords

DGS, Notch, Offest Feed, Pentagon Patch, Slots.

How to Cite this Article?

Anum. K and Tripathi. G. S (2018). Performance Enhancement of Pentagonal Patch Microstrip-FED Antenna. i-manager's Journal on Electronics Engineering, 8(2), 33-38. https://doi.org/10.26634/jele.8.2.14138

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