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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Enhanced performance of a patch antenna using spiral-shaped electromagnetic bandgap structures for high-speed wireless networks
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Enhanced performance of a patch antenna using spiral-shaped electromagnetic bandgap structures for high-speed wireless networks

机译：利用螺旋形电磁带隙结构提高贴片天线的性能，用于高速无线网络

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摘要

This study describes the improvement of gain and bandwidth of a microstrip patch antenna achieved using a spiral-like electromagnetic bandgap (EBG) structure for high-speed wireless local area networks. The size of the antenna is only 45 x 45 x 2.47 mm and resonates at a frequency of 2.4 GHz. The gain and bandwidth of this antenna is 3 dBi and 67.4% greater than a conventional patch antenna. The working frequency of the patch antenna falls inside the EBG bandgap, which leads to the suppression of surface waves. Simulations of the antenna are conducted using the finite-difference time-domain analysis technique. The electromagnetic (EM) simulated and measured return loss, gain, directivity, radiation pattern, antenna efficiency and voltage standing wave ratio are presented for the proposed antenna array. These results allow one to determine the structures giving the best focusing performance and to obtain the frequency band for directive radiation.
机译：该研究描述了使用用于高速无线局域网的螺旋电磁带隙（EBG）结构实现的微带贴片天线的增益和带宽的提高。天线的大小仅为45 x 45 x 2.47 mm，并以2.4 GHz的频率谐振。该天线的增益和带宽是3 dBi，比传统的贴片天线大67.4％。贴片天线的工作频率落在EBG带隙内，这导致表面波的抑制。使用有限差分时间域分析技术进行天线的模拟。为所提出的天线阵列提出了模拟和测量返回损耗，增益，方向性，辐射图形，天线效率和电压驻波比。这些结果允许其中确定提供最佳聚焦性能的结构，并获得用于指示辐射的频带。

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