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A CPW Fed T-shaped Frequency Reconfigurable Antenna for Multi Radio Applications

机译:用于多无线电应用的CPW F型T形频率可重构天线

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This paper deals with design, simulation and experimental analysis of a compact, Coplanar Waveguide (CPW) fed T-shaped reconfigurable antenna with frequency diversity. The antenna mainly comprises of four strips placed in T-shape fed by coplanar waveguide feed which operates at 5.8GHz. The reconfigurability in frequency is achieved by connecting four strips through three switches in main antenna structure by the use of Positive-Intrinsic-Negative (PIN) diodes. By operating the switches in a controlled manner, the antenna is able to operate at seven frequencies namely 5.82GHz, 5.46GHz, 5.26GHz, 5.15GHz, 4.69GHz, 3.93GHz, and 3.21GHz which are suitable for Wi-Fi, WiMAX, WLAN, other C-band, and S-band applications. The antenna aperture area is 35mm x 30mm and it is designed on a FR4 epoxy substrate whose dielectric constant epsilon(r)=4.3, thickness h=0.8mm. A parametric study has been carried to analyze the characteristics of the proposed antenna. The measured results are in good agreement with simulation results and show that the antenna exhibits good radiation behavior in the specified application bands.
机译:本文涉及具有频率分集的紧凑型共面波导馈电T形可重构天线的设计,仿真和实验分析。天线主要由四个以T形放置的条带组成,这些条带由在5.8GHz下工作的共面波导馈电提供。频率的可重新配置性是通过使用正-本征-负(PIN)二极管通过四个天线通过主天线结构中的三个开关连接来实现的。通过以受控方式操作开关,天线能够在适用于Wi-Fi,WiMAX,5.85 GHz,5.46 GHz,5.26 GHz,5.15 GHz,4.69 GHz,3.93 GHz和3.21 GHz的七个频率下运行。 WLAN,其他C波段和S波段应用程序。天线孔径面积为35mm x 30mm,设计在FR4环氧树脂基板上,该基板的介电常数ε(r)= 4.3,厚度h = 0.8mm。已经进行了参数研究来分析所建议天线的特性。测量结果与仿真结果吻合良好,表明天线在指定的应用频段内具有良好的辐射性能。

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