Affiliation:
1. Department of ECE, M S Ramaiah University of Applied Sciences, Bengaluru, India
Abstract
Aim:
This study aimed to develop and analyse a bandwidth-enhanced C band antenna
loaded with EBG and FSS Structures to improve the antenna performance.
Methods:
This paper illustrates the design of a semi-circular microstrip antenna with a modified circular
ring Frequency Selective Surface (FSS) and an Electromagnetic Band Gap (EBG) structure for
improved bandwidth and an omnidirectional pattern. The patch antenna is aimed at C-Band intersatellite
communication links in a constellation.
Results and Discussion:
In literature, the application of EBG and FSS together is seldom used. The
semicircular patch is aimed at retaining the omnidirectional antenna pattern at higher frequencies, as
well as bandwidth, which is achieved through FSS and EBG structures. The modeling and simulation of
the antenna have been carried out with 3D EM solvers. The simulated patch antenna operates in a wideband
ranging from 4.1 GHz to 7.1 GHz with a gain of 1.9 dB at 5.33 GHz and 1.4 dB at 4.5 GHz.
Conclusion:
The proposed antenna design is vertically polarized. The simulation results are validated
with measurement results.
Publisher
Bentham Science Publishers Ltd.
Subject
Electrical and Electronic Engineering,Control and Optimization,Computer Networks and Communications,Computer Science Applications
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