This letter presents a wideband compact dual-polarized antenna with endfire radiation pattern for the fifth-generation millimeter-wave (mm-wave) applications. The antenna achieves a –10 dBS11bandwidth of 16.5% (25–29.5 GHz). The antenna has a thickness of 1.6 mm and a clearance of 3.4 mm. The presented four-element array achieves a maximum realized gain of 9.9 and 9.1 dBi for horizontal mode (H-mode) and vertical mode (V-mode), respectively. The antenna has a wide beamwidth in both elevation and azimuth planes with good scanning performance for both H-mode and V-mode.
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Khajeim et al. (2021) studied this question.
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