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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/12912

Title: Simple circularly polarized planar monopole inverted T-shaped antenna
Authors: Ahmed, Abdul-Rahman
Mubarak, S. Ellis
Kponyo, Jerry John
Keywords: axial ratio
circular polarization
wideband
Issue Date: 2020
Publisher: Microwave and Optical Technology Letters (Wiley)
Abstract: This article presents a novel planar monopole antenna with circular polarization. The 3-dB axial ratio (AR) is achieved by: shifting a vertical monopole to the left edge of the substrate in conjunction with a laterally inverted L-shaped ground plane. When viewed from the top, the antenna resembles an uneven T-shaped structure rotated at 90 . Measurement results show that; a 3-dB AR bandwidth is achieved from 3.1 to 6.2 GHz (66.7% fractional bandwidth) and an S11 ≤ −10 dB bandwidth is realized from 2.5 to 6.5 GHz (88.9% fractional bandwidth). The proposed antenna is compact with an area of 20 mm2 , produces stable radiation patterns, and its simple to design and fabricate without using parasitic elements or introducing slots on the antenna.
URI: http://hdl.handle.net/123456789/12912
Appears in Collections:College of Engineering

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