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High Gain UWB Four Elements Antenna Array for C-Band and X-Band Application

Open Journal of Antennas and Propagation 2020年第2期8卷 19-29页

作者： Tamer Gaber Abouelnaga Mazhar Basyouni Tayel asmaa fereg desouky Microstrip Circuits Department Electronic Research Institute ERI El Nozha El Gadida Cairo Egypt Electrical Department Faculty of Engineering Alexandria University Alexandria Egypt Communication Department Higher Institute of Engineering and Technology HIET Kafr Elsheikh Egypt

The C-band is allocated for commercial telecommunications via satellites. Amateur satellite operations in the frequency range 5.830 to 5.850 GHz for down-links and 5.650 to 5.670 GHz for up-links are allowed by International Telecommunication Union. The X-band is used for terrestrial broadband communication, radar applications, and portions of the X-band are assigned for deep space telecommunications. In this paper, a design of 4 × 1 Ultra Wide Band (UWB) antenna array for C-band and X-band applications is introduced. Metamaterial sixteen-unit cells are incorporated into each antenna element for radiation characteristics enhancement purposes. Permeability and permittivity of metamaterial unit cells are obtained all over the operating bandwidth. UWB unequal power divider is used to feed the proposed four elements antenna array based on Chebyshev excitation method. The proposed antenna has a suitable 3 dB beam width and gains all over the operating bandwidth which extends from 5.6 GHz to 10.9 GHz. The proposed antenna covers 60% and 72.5% of the C-band and X-band, respectively. The proposed antenna is fabricated, measured, and good agreement is obtained between simulated and measured results. The obtained performance ensures the suitability of the proposed antenna array for C-band and X-band applications.

关键词： C-Band X-Band Metamaterial Antenna Array UWB

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