Progress In Electromagnetics Research C
ISSN: 1937-8718
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By R. Lian, S.-F. Zheng, Y.-Z. Yin, J. Wu, S. Zhang, and G. Zhang

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A single-layer wideband printed antenna for dual-polarized applications is proposed in this paper. Two orthogonal linear polarizations are achieved by adopting a hybrid feeding technique. The horizontal polarization is excited by an aperture-coupled microstrip feed line while the coplanar waveguide (CPW) feed line is responsible for the vertical polarization. Measurements demonstrate a fairly wide common impedance bandwidth of 56.3% (1.61-2.87 GHz) with SWR ≤ 2 could be achieved. By loading a rectangular patch in the narrow rectangular slot, the isolation between two ports can be improved to better than 40dB over the entire bandwidth. Moreover, the average gains of the proposed antenna are about 5.8 dBi and 5 dBi for port 1 and port 2, respectively.

R. Lian, S.-F. Zheng, Y.-Z. Yin, J. Wu, S. Zhang, and G. Zhang, "A Single-Layer Wideband Dual-Polarized Antenna with High Isolation," Progress In Electromagnetics Research C, Vol. 49, 115-122, 2014.

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