A Series-Inclined-Slot-Fed Circularly Polarized Antenna for 5G 28-GHz Applications - Publication - MOST Wiedzy

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A Series-Inclined-Slot-Fed Circularly Polarized Antenna for 5G 28-GHz Applications

Abstract

This letter presents the design of a single-point-fed, geometrically simple circularly polarized (CP) antenna for 28 GHz Ka-band applications. The proposed antenna is based on a straight microstrip line printed on one side and coupled with the nearly square patches through a 45-degree inclined V-shape slot aperture on the other side. In order to generate circular polarization, the fundamental radiating mode is degenerated at a slightly different frequency by aligning the patch edges parallel to each arm of the V-slot with orthogonal arms. This configuration yields a relatively small size (10 mm × 27.7 mm), wideband, and high-gain right-hand circularly polarized antenna operating at 28 GHz. The impedance bandwidth of the proposed antenna is from 27.2 GHz to 30.35 GHz and the 3 dB axial ratio (AR) bandwidth from 27.3 GHz to 29.7 GHz with excellent directional characteristics in the broadside direction. The peak realized gain is approximately 11.65 dBic. The performance characteristics in terms of the impedance matching, AR, gain and efficiency of the antenna for wearable applications are also investigated both numerically and experimentally. For practical applications, the small size of the structure allows for implementing the systems that consist of more than one antenna for mobility.

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Authors (4)

Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
IEEE Antennas and Wireless Propagation Letters no. 20, pages 351 - 355,
ISSN: 1536-1225
Language:
English
Publication year:
2021
Bibliographic description:
Ullah U., Al-Hasan M., Kozieł S., Mabrouk I.: A Series-Inclined-Slot-Fed Circularly Polarized Antenna for 5G 28-GHz Applications// IEEE Antennas and Wireless Propagation Letters -Vol. 20,iss. 3 (2021), s.351-355
DOI:
Digital Object Identifier (open in new tab) 10.1109/lawp.2021.3049901
Verified by:
Gdańsk University of Technology

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