Directional monopole antenna using half PMC and PEC ground plane

A vertical monopole antenna having a directional radiation pattern is proposed in this paper. The proposed monopole antenna is located vertically on the half‐and‐half finite ground plane of perfect magnetic conductor (PMC) and perfect electric conductor (PEC). The ground dimension is set to be 1λ0....

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Bibliographic Details
Published in:Microwave and optical technology letters 2018-04, Vol.60 (4), p.979-983
Main Authors: Lee, Jae‐Gon, Lee, Jeong‐Hae
Format: Article
Language:English
Subjects:
Antenna radiation patterns
Antennas
Conductors
directional antenna
Electric conductors
Ground plane
monopole antenna
Monopoles
PMC
Product design
soft surface
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Summary:A vertical monopole antenna having a directional radiation pattern is proposed in this paper. The proposed monopole antenna is located vertically on the half‐and‐half finite ground plane of perfect magnetic conductor (PMC) and perfect electric conductor (PEC). The ground dimension is set to be 1λ0. In case of the conventional monopole antenna, the surface currents on a ground plane are cancelled out because of the symmetrical ground with respect to the monopole. However, the surface currents of the presented monopole antenna are not cancelled out due to an asymmetrical ground and flows in one direction, so that the electromagnetic (EM) wave of an antenna does not radiate omni‐directionally but directionally. In this paper, a corrugated soft surface is employed to realize the PMC ground. The measured peak gain and the 10 dB bandwidth are measured to be 4.5 dBi and about 20% at the resonant frequency of 2.4 GHz, respectively.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.31085