A High-Efficiency Microstrip Antenna Pair with Similar Pi-Shaped Decoupling Structure for 3.5 GHz 5G Ultrathin Smartphones

<div>Geometry of. (a) The proposed dual-port microstrip antenna pair fed by a similar <i>π</i>-shaped feeding structure. (b) The compared dual microstrip antenna pair fed by a feeding structure with connecting line (unit: mm).</div>

International Journal of Antennas and Propagation

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Figure 2

Figure 2: A High-Efficiency Microstrip Antenna Pair with Similar Pi-Shaped Decoupling Structure for 3.5 GHz 5G Ultrathin Smartphones 