A Low-Profile and Compact Split-Ring Antenna with Horizontally Polarized Omnidirectional Radiation

Table 1

The structural parameters.

Parameter	Without GND	With GND
	50.0 mm	50.5 mm
	45.5 mm	45.0 mm
w1	24.0 mm	25.0 mm
	25.5 mm	24.5 mm