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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Reconfigurable 2×1 CPW-Fed Rectangular Slot Antenna Array (RSAA) Based on Graphene for Wireless Communications
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Reconfigurable 2×1 CPW-Fed Rectangular Slot Antenna Array (RSAA) Based on Graphene for Wireless Communications

机译：基于Graphene的无线通信可重新配置的2×1 CPW馈线矩形插槽天线阵列（RSAA）

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摘要

This article presents a 2x1 CPW ultra wideband rectangular slot antenna array (UWB-RSAA) with a modified circular slot shape to support a high data rate for wireless communications applications. The proposed antenna array dimensions are 0.7 lambda(o)x0.8 lambda(o)x0.064 lambda(o) at the resonant frequency 1.8 GHz. It is fabricated on Rogers RO4003 substrate and fed by using a coplanar waveguide (CPW). A graphene layer is added on one side of the substrate to realize frequency reconfigurability and improve the array gain. The proposed array acquires -10 dB impedance bandwidth of the RSAA that extends from 1.7 GHz to 2.6 GHz, from 3.2 to 3.8 GHz, and from 5.2 GHz to 7 GHz. The proposed array achieved a realized peak gain of 7.5 dBi at 6.5 GHz at 0 Volt bias with an average gain of 4.5 dBi over the operating band. When the graphene bias is increased to 20 Volt, the antenna bandwidth extends from 1 GHz to 4 GHz and from 5 to 7 GHz with a peak gain of 14 dBi at 3.5 GHz and an average gain of 7.5 dBi. The linearly polarized operation of the proposed array over the operating bands makes it suitable for short-range wireless communications.
机译：本文介绍了一个2x1 CPW超宽带矩形插槽天线阵列（UWB-RSAA），具有修改的圆形槽形状，以支持无线通信应用的高数据速率。所提出的天线阵列尺寸为0.7λ（O）X0.8λ（O）X0.064 Lambda（O），谐振频率1.8 GHz。它在rogers ro4003衬底上制造，并通过使用共面波导（CPW）来供给。将石墨烯层加入基板的一侧以实现频率重新配置性并改善阵列增益。所提出的阵列获取-10 DB阻抗带宽从1.7 GHz到2.6 GHz，从3.2到3.8 GHz，5.2 GHz到7 GHz。所提出的阵列在0伏偏压下在6.5GHz处实现了7.5 dBi的实现峰值增益，在操作带上的平均增益为4.5 dbi。当石墨烯偏置增加到20伏时，天线带宽从1GHz到4 GHz延伸，5至7GHz，峰值增益为14 dBi，3.5 GHz，平均增益为7.5 dBi。在操作频带上所提出的阵列的线性偏振操作使其适用于短程无线通信。

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