Metamaterial Superstrate and Electromagnetic Band-Gap Substrate for High Directive Antenna |
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| Authors: | Huiliang Xu Zeyu Zhao Yueguang Lv Chunlei Du and Xiangang Luo |
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| Institution: | (1) State Key Laboratory of Optical Technologies for Microfabrication, Institute of Optics and Electronics, Chinese Academy of Sciences, P.O. Box 350, Chengdu, 610209, China |
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| Abstract: | A high directive planar antenna made from a metamaterial superstrate and an electromagnetic band-gap (EBG) substrate has been
investigated. A patch antenna surrounded with EBG structures is used as the radiation source. The CST Microwave Studio is
used for the simulation. The results show that the gain of the antenna with metamaterial is 21.6 dB at the operating frequency
of 14.6 GHz. Compared with the patch feed with the same aperture size but without the metamaterial superstrate, the performance
of the antenna is improved obviously and the gain increases about 12.4 dB. |
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| Keywords: | Metamaterials Electromagnetic band-gap (EBG) Patch antenna High directive antenna |
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