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2018-10-07

A Novel Wideband Dual-Band Dual-Polarized Magneto-Electric Dipole Antenna

By Fan Li, Yufa Sun, Haoran Zhu, Junnan Yu, and Yade Fang
Progress In Electromagnetics Research M, Vol. 74, 73-82, 2018
doi:10.2528/PIERM18080305

Abstract

In this paper, a novel wideband dual-band dual-polarized magneto-electric (ME) dipole antenna is proposed. The proposed antenna consists of a folded double-layer magneto-electric dipole, a stair-shaped feeding line with a balun structure and a rectangular box-shaped reflector. The folded double-layer magneto-electric dipole is able to generate two resonant frequencies. The polygon balun structure can better match the antenna impedance. The rectangular box-shaped reflector not only can suppress antenna's back radiation but also can realize high gain over the operating frequencies. Both simulated and measured results show that the antenna can obtain two wide impedance bandwidths of 60% (1.54-2.87 GHz) in lower frequency band and 27% (4.62-6.10 GHz) in higher frequency band with the reflection coefficients lower than 10 dB for both input ports. The isolation between ports is greater than 25 dB in the corresponding frequency band. The gains of the measured antenna were 8.5-9.7 dBi in the low frequency band and 8.5-11.5 dBi in the high frequency band, respectively.

Citation


Fan Li, Yufa Sun, Haoran Zhu, Junnan Yu, and Yade Fang, "A Novel Wideband Dual-Band Dual-Polarized Magneto-Electric Dipole Antenna," Progress In Electromagnetics Research M, Vol. 74, 73-82, 2018.
doi:10.2528/PIERM18080305
http://www.jpier.org/PIERM/pier.php?paper=18080305

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