A wideband folded magnetoelectric dipole antenna with miniaturized integration for 5G applications

Zhong Du and Quanyuan Feng

Journal of Electromagnetic Waves and Applications, 2020, vol. 34, issue 12, 1631-1646

Abstract: A 3-layer substrate integrated folded magnetoelectric dipole antenna is presented in this paper. The folded metal vias are proposed to broaden bandwidth and miniaturized antenna. Furthermore, the double-arc-edged patch, the single-arc-edged metal plane, side wall and removing shorted end are designed to improve the impedance matching and reduce the operating frequencies. The structure and parameters of the antenna are analyzed, especially the bandwidth blending and the current paths. A prototype was fabricated and measured. The presented antenna obtains a wide impedance bandwidth of 34.2% for VSWR≤2 from 4.88 to 6.89 GHz and a stable gain ranging from 6.0 to 7.5 dBi. Moreover, nearly identical unidirectional radiation patterns, low cross-polarization and low back radiation are achieved. The parameter of ds even can realize a lower operating frequency. The presented antenna is suitable for mass production with low cost by the printed circuit board technology, and promising for 5th Generation (5G) applications.

Date: 2020
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DOI: 10.1080/09205071.2020.1776162

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