Broadband partially reflective surface antenna with tapered corrugated ground

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Conference Proceeding
2017 IEEE Antennas and Propagation Society International Symposium, Proceedings, 2017, 2017-January pp. 509 - 510
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© 2017 IEEE. This paper proposes a broadband Partially Reflective Surface antenna. It consists of a U-slot microstrip antenna as the source, an FR4 superstrate as the partially reflective surface, and a tapered corrugated ground structure. By employing the corrugated ground, the 3dB gain bandwidth is improved from 17% to 24% with the maximum realized gain and the 10dB impedance bandwidth unchanged. Therefore, the corrugated ground structure can be a good candidate to enhance the gain bandwidth of PRS antennas.
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