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Novel Frequency Reconfigurable Microstrip Patch Antenna Based on a Square Slot for Wireless Devices

机译:基于方形插槽的新型频率可重构微带贴片天线,用于无线设备

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摘要

In this paper, a novel frequency reconfigurable antenna design and development is proposed for wireless devices. In the proposed design, a rectangular patch antenna with square slot using two PIN diodes at the centre frequency 10 GHz was designed and simulated frequency reconfiguration is achieved in the frequency range of 10-10.5 GHz and the measured results shows the same effect in the frequency range of 10.216-10.552 GHz. The frequency reconfiguration is carried out by switching the diodes on/off states. In the fabricated structure of proposed geometry the diodes are replaced by micro strip line for on-state as an ideal case. The antenna is designed on FR4 substrate (er= 4.54) of thickness (H) 1.6 mm. The proposed structure was simulated by using the electromagnetic (EM) simulation software. The optimized structure was fabricated using microwave integrated circuit (MIC) techniques on same substrate. The return loss was measured using the Vector Network Analyzer. The simulated and measured return loss shows the close agreement.
机译:本文提出了一种针对无线设备的新型频率可重构天线设计与开发。在建议的设计中,设计了使用两个PIN二极管,在中心频率为10 GHz的方形缝隙的矩形贴片天线,并在10-10.5 GHz的频率范围内实现了仿真的频率重新配置,并且测量结果在频率上显示出相同的效果范围为10.216-10.552 GHz。通过切换二极管的开/关状态来执行频率重新配置。在理想几何形状的制造结构中,二极管被微带线代替,处于理想状态时处于导通状态。天线设计在厚度(H)1.6毫米的FR4基板(er = 4.54)上。使用电磁(EM)仿真软件对拟议的结构进行了仿真。使用微波集成电路(MIC)技术在同一基板上制造了优化的结构。使用矢量网络分析仪测量回波损耗。模拟和测量的回波损耗显示出密切的一致性。

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