التفاصيل البيبلوغرافية
| العنوان: |
Gain-enhanced and Mechanical Reconfigurable Slot Antenna with Metasurface. |
| المؤلفون: |
Xueyan Song, Ang Dong, Xuping Li, Yunqi Zhang, Haoyuan Lin, Yapeng Li, Hailong Yang |
| المصدر: |
Applied Computational Electromagnetics Society Journal; Aug2023, Vol. 38 Issue 8, p602-608, 7p |
| مصطلحات موضوعية: |
SLOT antennas, ANTENNAS (Electronics), PLANAR antennas, METAMATERIAL antennas |
| مستخلص: |
A novel wideband slot antenna with metasurface is presented. In order to achieve broadband, high-gain, and mechanical reconfigurable performance, a metasurface is adopted and combined with a new-type planar slot antenna The antenna and metasurface are designed on F4B substrate, and the overall dimension of the antenna is 1.48λ0×1.48λ0×0.2λ0 (λ0 is the free space wavelength at center frequency). Different from the traditional square metasurface, a structure with different properties in the x and y directions is utilized in the proposed antenna, which can be reconstructed by adjusting the relative position between the slot antenna and the metasurface. By introducing the metasurface, the maximum gain of the whole antenna is improved. The antenna works in two states with respect to the two locations of the metasurface. The impedance bandwidth of the proposed antenna in state A is from 5.49 to 9.40 GHz (52.5%), and the impedance bandwidth of the proposed antenna in state B is from 5.83 to 6.01 GHz (3%) and 7.05 to 9.62 GHz (30.8%). The gain of the whole antenna in both states is higher than that of the original slot antenna (without metasurface), and the maximum gain is 9.1 dBi. [ABSTRACT FROM AUTHOR] |
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