Gain enhanced H-plane gap SIW horn antenna with phase correction

Lei Wang, Marc Esquius-Morote, Xiaoxing Yin, Juan R. Mosig

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

The electromagnetic field phase distribution in horns' apertures is affected by the horn flaring and is usually not uniform, resulting in a lower antenna gain. This paper presents an H-plane SIW horn antenna with the aperture phase corrected by some gaps on the H-plane metallic walls, to enhance the antenna gain. To achieve a better radiation and impedance matching, some planar tapered-ladder transitions are printed just after the horn aperture. Simulations in HFSS software, including a probe excitation, have shown good phase correction and hence increased gain, while also providing good impedance matching. The designed compact Ka-band antenna achieves an enhanced gain of 10.1 dBi at 34 GHz, and an impedance bandwidth of 4.33 GHz.
Original languageEnglish
Title of host publication2015 9th European Conference on Antennas and Propagation (EuCAP)
PublisherIEEE
ISBN (Electronic)9788890701856
Publication statusPublished - 31 Aug 2015

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