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A novel antenna with the combination of the shorted-edge patch and the coupling feed is proposed in this letter. This new combination still keeps the good features of patch antenna, such as low cost and easy integration. Moreover, it simultaneously possesses several useful features: low cross polarization, wideband, high gain, and adjustable beamwidth in design. To show the effectiveness, a prototype operating at the central frequency of 12.5 GHz is designed and measured. Good agreement between the simulated and measured results has been obtained. The gain and the cross-polarized level are 11.2 dBi and −40 dB, respectively, and the bandwidth is 35%.
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Zhang et al. (2021) studied this question.
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