International Journal of Antennas and Propagation / 2019 / Article / Tab 3

Research Article

Dual-Frequency Miniaturized Substrate Integrated Waveguide Quarter-Mode Cavity-Backed Antenna Based on Minkowski Fractal Gap with Orthogonal Polarization Radiation Characteristics

Table 3

Comparison with the reported back-cavity antenna.

Ref.Size ()Gain (dBi)Freq [GHz]10dB-BW (%)Thickness (mm)Front-to-back ratio (dB)

[9]0.34 × 0.254.125.23.51.57- - -
[10]0.22 × 0.161.583.3182.41.610
[13]0.45 × 0.153.62.551.66.357
[14]0.32 × 0.4852.422.343.315
[15]0.4 × 0.364.1/5.82.4/5.84.9/5.13.9410
[16]0.6 × 0.533.53/5.49.98/10.69.430.78715
[17]1.2 × 0.96.56/4.2/5.854.2/5.3/5.8- - -1.5719
[18]0.75 × 0.624.8/3.749.5/13.852.02/1.460.78714/16
This work0.26 × 0.264.67/3.63.7/4.62.7/2.61.5212.5