面向三频WiFi应用的分集玻璃天线
Diversity Glass Antennas for Tri-Band WiFi Applications
本文研究了两种新型极化和方向图分集玻璃介质谐振器天线(DRA),均适用于三频段(2.4 GHz、5.2 GHz和5.8 GHz)无线保真(WiFi)应用。通过比较这两种分集DRA以及一种新的空间分集玻璃DRA,研究了哪种类型的分集天线最适合WiFi 路由器应用。同时,将这三种分集玻璃DRA还与商用空间分集单极子对进行了比较,以衡量玻璃DRA在WiFi 路由器应用中的性能。本文在极化分集天线中,提出了双端口馈电方案来激发不同的DRA模式。DRA模式的频率通过使用阶梯形DRA进行调谐。在方向图分集设计中,引入了堆叠DRA来拓宽锥形和宽边辐射模式的带宽。实验制作了这三种新型分集天线,并测量了三种分集玻璃天线和参考空间分集单极天线的误码率(BER),并对结果进行了比较和讨论。结果表明,极化分集全向DRA的误码率最为稳定。
This paper investigates two novel polarization- and pattern-diversity glass dielectric resonator antennas (DRAs), both of which are for tri-band (2.4, 5.2, and 5.8 GHz) wireless fidelity (WiFi) applications. It also investigates what type of diversity antenna is most suitable for WiFi router applications by comparing the two DRAs, along with a new space-diversity glass DRA. These three diversity glass DRAs are also compared with a commercial space-diversity monopole pair to benchmark the performance of the glass DRA in WiFi router applications. In our polarization-diversity antenna, a double-port feeding scheme is developed to excite different DRA modes. The frequencies of the DRA modes are tuned by using a stepped DRA. For the pattern-diversity design, a stacked DRA is introduced to broaden the bandwidth for both the conical and broadside radiation modes. All three of the new diversity antennas were fabricated and measured to verify the simulations. In our experiment, the bit error rate (BER) of the three diversity glass antennas and the reference space-diversity monopole antenna was also measured, and the results are compared and discussed. It is found that the polarization-diversity omnidirectional DRA has the most stable BER among the three.
WiFi多频天线 / 玻璃 / 介质谐振器天线 / 多输入多输出
WiFi Diversity antennas Multi-frequency / Glass / Dielectric resonator antennas / Multiple-input multiple-output
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