A Low-Profile Millimeter-wave Broadband Magneto Electric Dipole Antenna with Fragmented Dipole Arm

This study proposes a low-profile broadband millimeter-wave magneto-electric dipole antenna with a fragmented electric dipole arm. Although the antenna has a low-profile structure, the S 11 bandwidth of the proposed antenna element is widened thanks to the additional resonance points at 25 GHz frequ...

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Published in:IEEE transactions on antennas and propagation 2024-11, p.1-1
Main Authors: Oh, Seung Uk, Yoo, Hyoungsuk, Jang, Tae Hwan
Format: Article
Language:English
Subjects:
bowtie antenna magneto-electric (ME) dipole antenna
circle slot
fragmented dipole arm
millimeter-wave
wideband
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Yoo, Hyoungsuk
Jang, Tae Hwan
description This study proposes a low-profile broadband millimeter-wave magneto-electric dipole antenna with a fragmented electric dipole arm. Although the antenna has a low-profile structure, the S 11 bandwidth of the proposed antenna element is widened thanks to the additional resonance points at 25 GHz frequency by fragmenting the bowtie-shaped electric dipole. By adjusting the dimensions of the fragmented bowtie, the proposed antenna has widened S 11 bandwidth and 3-dB gain bandwidth towards the low-frequency band. The proposed 4 × 4 antenna array achieves an S 11 bandwidth of 41.8% covering from 25.5 GHz to 39 GHz, a 3-dB gain bandwidth of 39.3% covering from 25.5 GHz to 38 GHz, and a peak gain of 17.5 dBi. The cross-polarization and side-lobe levels are higher than -32 dB and -13 dB within the operating frequency, respectively.
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subjects bowtie antenna magneto-electric (ME) dipole antenna
circle slot
fragmented dipole arm
millimeter-wave
wideband
title A Low-Profile Millimeter-wave Broadband Magneto Electric Dipole Antenna with Fragmented Dipole Arm
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