Novel Aperture-Coupled Microstrip-Line Feed for Circularly Polarized Patch Antenna

Provided by: EMW Publishing
Topic: Mobility
Format: PDF
A wideband circularly polarized patch antenna is proposed. The wide impedance and axial ratio bandwidths are achieved by the proposed feeding mechanism, which entails the use of a circular microstrip line coupling through four ¡-shaped slots to generate four sequentially phased sources to excite the single layer patch antenna. The proposed antenna can provide an SWR bandwidth of over 16.5% (for SWR

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