A Compact, Omni-directional, Circularly Polarized Microstrip Antenna

As a result of further research, antennas using metamaterials have been published. Planar leaky-wave antennas using transmission-line metamaterials have been reported with continuous beam scanning. 1-3 Feeding networks of microstrip patch arrays using transmission-line metamaterials have been designed, 4 which removes the inherent pattern squint resulting from the traditional...