Research Article |
Design and Assessment of Bio-Inspired Antennas for Mobile Communication Systems
Author(s): Ch. Amarnatha Sarma1*, Syed Inthiyaz2 and B T P Madhav3
Published In : International Journal of Electrical and Electronics Research (IJEER) Volume 11, Issue 1
Publisher : FOREX Publication
Published : 25 March 2023
e-ISSN : 2347-470X
Page(s) : 176-184
Abstract
RF front-end system in the mobile communication system consists of an antenna, filter, and amplifier section. Now a day, there is a need to reduce the size of this RF front-end system. Here the challenge is the reduction in the size of the RF front end without degrading the performance. One way to reduce the size is by reducing the size or area of the antenna. This work proposes and simulates three Bio-inspired microstrip (BIMS) antenna designs. They are flower, Butterfly, and leaf shapes presented based on the perturbation method, Gielis super formula, and modified polar transformation models, respectively. These BIMS antennas were printed on fiberglass laminate (FR4) as substrate with a dielectric constant of εr = 4.4 and a loss tangent of 0.02. The simulation results cover parameters of the antenna, such as reflection coefficients (S11), surface current density (Jsurf), and radiation patterns. They offer a maximum gain of 14 dBi, 8 dBi, and 4dBi, respectively, and their results are compared with other works. These antennas are less in size, so they occupy less area compared to conventional rectangular or circular patch antenna, which radiates in L and S bands at different frequency ranges.
Keywords: Bio inspired antenna
, Reflection coefficient
, Radiation pattern
, Perturbation method
, Polar transformation
, Gielis super formula
Ch. Amarnatha Sarma, Research Scholar, Department of ECE, Koneru Lakshmaiah Education Foundation, Andhra Pradesh, India; Email: sarma.chakrala@gmail.com
Syed Inthiyaz*, Faculty, Department of ECE, Koneru Lakshmaiah Education Foundation, Andhra Pradesh, India; Email: syedinthiyaz@kluniversity.in
B T P Madhav, Faculty, Department of ECE, Koneru Lakshmaiah Education Foundation, Andhra Pradesh, India; Email: btpmadhav@kluniversity.in
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