International Journal of Antennas and Propagation / 2019 / Article / Tab 1

Research Article

A Central Symmetrical and Low-Profile Omnidirectional Circularly Polarized Antenna

Table 1

Comparison of reference and the proposed antenna

ReferenceStructureUsable bandwidth (%)Max gain (dBi)Dimensions ( at centre frequency)Height

[6]Planar3.971.770.62 × 0.620.029
[2]Planar4.33.31.74 × 0.310.039
[7]Nonplanar0.91.010.16 × 0.160.03
[4]Planar0.54−0.40.29 × 0.290.016
[5]Nonplanar11.550.860.25 × 0.250.082
[11]Planar0.780.820.29 × 0.290.02
[1]Nonplanar7.32.040.32 × 0.320.27
This studyPlanar11.150.27 × 0.270.012

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