Abstract
An affordable, magnetoelectric dipole element (ME dipole) with circular polarization (CP) millimeter wave antenna is described in this letter. In order to create a rotating electric field, two L-shaped patches that are rotationally balanced to each other are employed, which radiate waves that have circular polarization. Parasitic patch antennas and rear air gaps are interleaved with stacked patch antennas in the element. To expand the antenna’s bandwidth, parasitic patches of the same form as the exciting patches but smaller in size are used. The presence of back-reflectors noticeably reduces the level of the back-lobe. In the frequency domain solver of CST Microwave Studio software, good results are produced with this antenna design. The antenna’s frequency range is 25.87-36.08 GHz, and it has a 36.79 percent bandwidth with a 27.75 GHz center frequency. An AR bandwidth of 7.21 percent, a side-lobe level of-18.5 dB, and a peak gain of 7.93 in impedance bandwidth and 7.17 dBic gain in axial ratio bandwidth are all achieved. Both the XOZ and the YOZ planes are covered by the proposed antenna, which has axial ratio beamwidths (ARBWs) of 168° and 200°, respectively. In other words, it could be a strong choice for applications such as 5G millimeter - wave transmission, Ka-band satellite communication, and so on.
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