A Magneto-Electric Dipole Antenna Array for Millimeter Wave Applications

摘要

In this paper, a low-profile broadband antenna isproposed for future 5G millimeter-wave cellular wirelessnetworks. The proposed antenna is a modified Magneto-Electric(ME) dipole, which consists of four metallic plates, groundedvias, an aperture fed, a ground plane, and a microstrip line feed.The antennas are built on RT/Duroid 5880 substrates and havebeen realized by the printed circuit board technique. A single-element with an overall of 10×10×1.04mm 3 (~1.26λ o ×1.26λ o ×0.13λ oat 38GHz) exhibits an impedance matching of 27.9% (32.2-42.8GHz) for |S 11 |<–10dB and a realized gain up to 7.5dBi overthe frequency band. The usefulness of these antennas asbeamforming radiators is demonstrated by a 1×4 element lineararray. Also, a wide-band excitation is applied for the linear MEdipole array to realize a broadband array. The simulated resultsproved the proposed array can operate in a frequency bandspreading from 31.4GHz to 42.1GHz with a gain of 12.5dBi and aside-lobe of -13dB.