Abstract
In this paper, a wideband Fabry-Perot (FP) resonator antenna is designed based on single-layer frequency selective surface (FSS) structure. The antenna adopts a single-layer complementary circular FSS structure as the partially reflecting surface (PRS) of FP resonator antenna to improve the gain of antenna. The proposed PRS maintains a positive slope reflection phase gradient in the 10.3–16 GHz band. The simulated results show that the operating band of the proposed antenna covers 11.99–15.81 GHz, the relative bandwidth is 27.5%, the maximum gain is 13.26 dBi at 14.4 GHz, and the 3-dB gain bandwidth is 26.3%.
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