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Published in:
2021 | OriginalPaper | Chapter
Design and Simulation of 2-Element, Circular Shaped MIMO Antenna for C-Band Frequencies
Authors : Ashish Jadhav, Nagashettappa Biradar, Husain Bhaldar, Mahesh Mathpati, Manoj Deshmukh, Renuka Wadekar
Published in: Techno-Societal 2020
Publisher: Springer International Publishing
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Abstract
This paper summarizes the novel approach of designing MIMO antenna working at dual-band frequencies with wide bandwidth. The 2-Element, circular-shaped MIMO antenna proposed here is operating at C-band frequencies which can be used for satellite communication, cellular communication such as 4G and 5G, Wi-MAX, and WBAN wearable applications. Two circular shaped microstrip patches fed with the tapered feed line, are placed diagonally opposite of each other. The designed MIMO antenna resonates at 3.1 and 6.9 GHz frequencies. The first operating band is from 2.83 to 5.58 GHz with a maximum bandwidth of 2.75 GHz (88.6% Bandwidth) and the second operating band is from 6.19 to 7.95 GHz with a maximum bandwidth of 1.76 GHz (29% Bandwidth). Reflection Coefficients at those frequencies are less than −10 dB and VSWR value is between 1 and 2 which is necessary and sufficient condition for any antenna to radiate efficiently. The radiation efficiency of this antenna is 58% and observed directivity is 3.4 dBi.