Enhanced Radiation From a Horizontal Dipole Closely Placed Above a PEC Ground Plane Using a Parasitic Strip

A straight parasitic strip, closely and horizontally placed above a perfect electrical conductor ground plane, is used to greatly enhance the radiation of a horizontally positioned center-fed half-wave dipole through the phase compensation from the strip. The method is discussed and validated by bot...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2016-11, Vol.64 (11), p.4868-4871
Main Authors: Chen, Zhi Ning, Juan, Yue, Qing, Xianming, Che, Wenquan
Format: Article
Language:English
Subjects:
Bandwidth
Dipole antenna
Dipole antennas
Dipoles
Electric conductors
Electric fields
Ground plane
Impedance
low profile
Parasitic elements (antennas)
parasitic strip
Parasitics (electronics)
Radiation
Resistance
Resonant frequency
Strip
Strips
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Summary:A straight parasitic strip, closely and horizontally placed above a perfect electrical conductor ground plane, is used to greatly enhance the radiation of a horizontally positioned center-fed half-wave dipole through the phase compensation from the strip. The method is discussed and validated by both full-wave electromagnetic simulation and experiments. Using the parasitic strip, a horizontal dipole with a height of 1/20 wavelength above the ground exhibits an input resistance of 62 Ω and gain of 7.8 dBi while the dipole without the strip and a dipole with a height of a quarter wavelength above the ground realize the resistance of 5/72 Ω and the gain of 4.3/7.8 dBi across a |S 11 | ≤ -10-dB bandwidth of 0.6%, respectively.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2016.2594842