An Aperture-Coupled Shorted-Edge Patch Antenna With Low Cross Polarization, Adjustable Beamwidth, Wideband, and High Gain

Zhang, Jingyi; Zhang, Jin-Dong; Wu, Wen; Fang, Da‐Gang

doi:10.1109/lawp.2021.3102124

Cited by 4 publications

(2 citation statements)

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“…In addition, the aperture-coupled antenna is another low cross-polarized structure that is excited by a microstrip feedline through a slot cut on the ground plane. 14 The coupling slot is set at the central position so that the amplitudes of the reversed fringing field along the nonradiating edges of the patch are equal and completely canceled. Moreover, loading shorting walls and pins along the nonradiating edges can also reduce the related fields to suppress crosspolarization.…”

Section: Introductionmentioning

confidence: 99%

“…However, the suppression method only for the cross‐polarization of the probe makes the polarization purity unable to reach a very high value. In addition, the aperture‐coupled antenna is another low cross‐polarized structure that is excited by a microstrip feedline through a slot cut on the ground plane 14 . The coupling slot is set at the central position so that the amplitudes of the reversed fringing field along the nonradiating edges of the patch are equal and completely canceled.…”

Section: Introductionmentioning

confidence: 99%

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Patch antenna with low cross‐polarization using loading technique

Zhang

et al. 2023

Micro & Optical Tech Letters

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In this article, a low cross‐polarized patch antenna is proposed with simple loading techniques. A metal block is set next to the patch and a coupling fringing field generated by the block compensates for the fringing field distribution asymmetry of the patch, resulting in a lower cross‐polarization. In addition, a shorting pin is loaded to further improve polarization purity. To demonstrate the effectiveness of the proposed scheme, prototypes of the proposed antenna with specific parameters were fabricated and tested. The measured cross‐polarized level can be reduced to below −30 dB, which is greatly lower than that of the traditional patch.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%