Abstract
AbstractA novel E‐ and H‐plane beamwidth‐reconfigurable Multiple Input Multiple Output (MIMO) antenna is presented here. The antenna consists of four two‐dimensional directional reconfigurable antenna elements that utilizes Positive‐Intrinsic‐Negative (PIN) diodes to achieve stable beamwidth reconfiguration in both the E‐plane and the H‐plane. Simulated and testing results of the fabricated prototype demonstrate that the operating frequency of the antenna ranges from 2.52 to 2.68 GHz across four different states. The beamwidth can switch between approximately 65° and 95° in both planes. The isolation between units exceeds 25 dB, and the radiation performance is stable with high efficiency. This antenna is particularly suitable for applications in 5G indoor communications.
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