Analysis of Circular Polarization of Cylindrically Bent Microstrip Antennas

Table 1

Simulated effects of bending LP patch antennas. “+” indicates a strong effect.

	H-plane bending	E-plane bending
Input impedance	Decreases	Increases
Resonant frequency	Constant	Increases
H-plane beamwidth	Increases+	Constant
E-plane beamwidth	Increases	Increases
H-plane phase center	Backward	Forward
E-plane phase center	Backward	Backward+
Cross-polarization	No change	No change