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A Dual-Polarized Omni-directional Antenna for 2G/3G/LTE/5G-C Band Applications

This paper proposes a dual-polarized omnidirectional antenna for 2G/3G/LTE/5G-C band applications. The antenna mainly consists of a vertically polarized (VP) element and a horizontally polarized (HP) element. The HP element is composed of four printed dipoles and a four-way power divider, whereas the VP element is made up of two copper pieces that are placed perpendicular to each other. Simulation results indicate that the overlapping bandwidth of the dual ports is 74.3%(1.65-3.60 GHz). In addition, the port isolation is larger than 20 dB and the gain variations are within 3 dB in both the VP and HP planes.