采用超材料棒的高增益全向天线

2014 11th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON) Pub Date : 2014-05-14 DOI:10.1109/ECTICON.2014.6839781

N. Fhafhiem, P. Krachodnok

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引用次数: 1

摘要

针对全向微带贴片天线的增益增强问题，提出了一种由周期性圆柱形棒构成的超材料棒作为衬底。超材料棒的磁导率接近于零，部分反射波。样机天线的测量结果与仿真结果吻合，验证了所设计的技术。结果表明，超材料棒还可以提高天线的辐射特性和效率，天线在方位面上产生全向方向图，最大增益为19.47 dBi。采用超材料棒的高增益全向天线的频率设计为920mhz，用于预付费移动应用。

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A high gain omnidirectional antenna using metamaterial rods

A metamaterial rod as a superstrate consisting of a periodically cylindrical rod is proposed for gain enhancement of omnidirectional microstrip patch antenna. The metamaterial rod exhibits near zero permeability that it reflects partially wave. This designed technique could be confirmed by a measurement result from prototype antenna that agrees with simulation results. The results indicate that the metamaterial rod can also enhance the radiation characteristics and efficiency, the proposed antenna generates an omnidirectional pattern in the azimuthal plane with the maximum gain of 19.47 dBi. The frequency of a high gain omnidirectional antenna using metamaterial rods is designed at 920 MHz for prepaid mobile application.

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2014 11th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)

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