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Published in:
2019 | OriginalPaper | Chapter
Miniaturized MIMO Wideband Antenna with L-Shaped DGS for Wireless Communication
Authors : Trisha Ghosh, Sneha Tiwari, Janardhan Sahay
Published in: ICCCE 2018
Publisher: Springer Singapore
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Abstract
In this paper, a MIMO antenna is designed consisting of two planar symmetrical monopole antennas and the ground plane is slotted into L-shaped. The simulation results indicate that the antenna works well in the ultra-wide band and hence can be used in a wide range of applications. The return loss is below −62 dB at 7.1 GHz and below −32 dB at 3 GHz approximately, which is highly desirable. This antenna has a wide frequency range of 2.4–10 GHz. The overall antenna size is as low as 35 mm × 22 mm but the effect of the mutual coupling among the antenna elements is reduced and is below −10 dB over a wide range of frequencies, i.e. 2.4–8 GHz. Reducing the effect of mutual coupling is a challenge in MIMO antennas, and has been achieved in this case. The maximum gain achieved is approximately 2.2 dB. The design has been simulated using Ansoft HFSS software. The attributes of S-parameters, VSWR, gain, radiation pattern, and Smith chart are shown and its applications are discussed.