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- Title
Wideband Double-Layered Dielectric-Loaded Dual-Polarized Magneto-Electric Dipole Antenna.
- Authors
Changqing Wang; Zhaoxian Zheng; Jianxing Li; Hongyu Shi; Anxue Zhang
- Abstract
This paper proposes a wideband dual-polarized magneto-electric dipole antenna composed of two pairs of vertical shorted patches and two pairs of horizontal double-layered planar dipoles. To achieve dual-polarization radiation, two orthogonal G-shaped stepped-impedance strip feed lines are designed to excite the antenna. The regions between the vertical shorted patches are loaded by dielectric materials to reduce the antenna profile. In addition, the antenna is backed with a rectangular cavityshaped reflector to improve radiation pattern stability and diminish back radiation. Experimental results demonstrate that the proposed antenna has obtained a wide impedance bandwidth of 57.1% from 1.5 to 2.7GHz and high port isolation of better than 30 dB within the bandwidth. The average antenna gain is about 9.7 dBi with a variation of below ±1.5 dB, and the radiation patterns are unidirectional, symmetric with low back radiation and low cross-polarization radiation across the entire operating band.
- Subjects
MAGNETO-electric machines; ELECTRIC double layer; POLARIZATION (Electricity); DIPOLE antennas; ELECTRIC impedance; BROADBAND communication systems
- Publication
Progress in Electromagnetics Research Letters, 2016, Vol 63, p23
- ISSN
1937-6480
- Publication type
Article
- DOI
10.2528/pierl16081308