Fig 1.
Geometry of the high-order mode CP patch antenna.
Fig 2.
Simulated |S11|, AR and gain radiation patterns of the antenna.
Fig 3.
Simulated current distribution on the patch.
Fig 4.
Simulated antenna performance for different values of ls1.
Fig 5.
Simulated antenna performance for different values of ls2.
Fig 6.
Top-view of the high-order mode CP patch antenna with four open slots.
Fig 7.
Simulated |S11|, AR and gain radiation patterns of the antenna with open slots.
Fig 8.
Simulated current distribution on the patch with open slots.
Fig 9.
Simulated performance for different values of l of the antenna with open slots.
Fig 10.
Top-view of the high-order mode CP patch antenna with open slots and SIW cavity.
Fig 11.
Simulated |S11|, AR and gain radiation patterns of the antenna with open slots and SIW cavity.
Table 1.
Performance comparison among presented antennas.
Fig 12.
Photographs of the fabricated antenna prototype.
Fig 13.
Simulated and measured |S11|, AR and gain of the proposed antenna.
Fig 14.
Simulated and measured gain radiation patterns of the proposed antenna in x–z and y–z planes.
Table 2.
Performance comparison among high-gain CP antennas.
Fig 15.
Geometry of the antenna array for UAV applications.
Fig 16.
Simulated S-parameter and AR of the antenna array.
Fig 17.
Simulated gain radiation patterns of the antenna array in y–z plane.