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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A High-Gain Microstrip Patch Antenna Using Multiple Dielectric Superstrates for WLAN Applications
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A High-Gain Microstrip Patch Antenna Using Multiple Dielectric Superstrates for WLAN Applications

机译：使用多个介电覆板的高增益微带贴片天线，用于WLAN应用

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摘要

This paper presents the design and characterization of a microstrip patch antenna with multiple superstrates for performance enhancement operating at the central frequency of 5.5 GHz for high-gain WLAN applications. The performance of the antenna in terms of reflection loss and the gain are investigated using multiple high dielectric constant superstrates of Taconic CER-10 (epsilon(r)=10.2). Numerical results showed that the patch antenna has -10 dB impedance bandwidth of 2.54% which improves to 8.43% and 17.43% by employing a single and dual superstrate, respectively. The gain of the antenna increases from 6.1 dBi to 9.5 dBi using a single superstrate, which further enhances to 13.6 dBi by placing two optimized superstrates. Moreover, further increasing the number of superstrates did not significantly impact on the performance of the patch antenna. The final design of the antenna (patch antenna with two superstrates) is fabricated and measured. The measured results agree well with the simulated results. Due to the good impedance matching, high-gain and desired radiation patterns compared to the other superstrate antennas, this antenna is a good candidate for high-gain WLAN applications.
机译：本文介绍了具有多个上层板的微带贴片天线的设计和特性，用于在高增益WLAN应用中以5.5 GHz的中心频率工作以提高性能。使用Taconic CER-10（epsilon（r）= 10.2）的多个高介电常数叠层，研究了天线在反射损耗和增益方面的性能。数值结果表明，贴片天线的-10 dB阻抗带宽为2.54％，采用单层和双层覆盖层分别提高到8.43％和17.43％。使用单个上覆板，天线的增益从6.1 dBi增加到9.5 dBi，通过放置两个优化的上覆板，天线的增益进一步提高到13.6 dBi。而且，进一步增加覆板的数量不会显着影响贴片天线的性能。天线的最终设计（带有两个覆膜的贴片天线）已制成并测量。测量结果与模拟结果吻合良好。与其他上覆天线相比，由于具有良好的阻抗匹配，高增益和理想的辐射方向图，因此该天线非常适合用于高增益WLAN应用。

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