Guanshen Chenhu, Jun-ping Geng, Bing-Han Zhou, Jianping Li, Yifeng Chen, Weiren Zhu, Xianling Liang, R. Jin, R. Ziolkowski
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A t-shaped feed structure to enhance the performance of a polarization diversity antenna
In this paper, a T-shaped feed structure is presented that enhances the performance of a polarization diversity antenna. It is a four-port network that consists of two input ports and two output ports. The −10 dB relative impedance bandwidth is 6.64 GHz from 2.31GHz to 8.95 GHz, i.e., 117.9% and the isolation is at least 29.7 dB within the same band. Furthermore, the insertion loss is less than 0.5 dB in that band between 2.33GHz to 8.93 GHz.
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