Multiband printed monopole antenna for WLAN/WiMAX applications
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摘要: 设计了一种应用于WLAN和WiMAX的多频带印刷单极子天线。该天线制作在以聚四氟乙烯为材料的基板上,天线正面部分具有三个条带结构,背面则添加了带有矩形槽的反射地结构以改进天线的阻抗匹配。利用三维电磁仿真软件(Ansoft HFSS13.0)进行仿真,并将该天线通过SMA连接器连接到矢网仪(Agilent Technologies N5230C 10 MHz~20 GHz) 进行测试。实际测试结果与仿真结果基本吻合,符合设计要求,验证了设计的正确性。Abstract: A multiband printed monopole antenna applied to WLAN/WiMAX applications is designed. The top of the antenna is composed of three strips and the bottom is a defected ground structure used to improve the impedance matching of the antenna. The antenna was simulated by using a three-dimensional electromagnetic simulation software (Ansoft HFSS13.0), and it was fabricated on a substrate with teflon material. The sample of the presented antenna was connected to a test equipment (Agilent Technologies N5230C 10 MHz-20 GHz) for testing via an SMA adaptor. The measured result is consistent with the simulated result, which verifies the correctness of the design.
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Key words:
- printed monopole antenna /
- multiband /
- wireless communication
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