Mutual coupling reduction in phased array antennas applying high-impedance surface at X band

被引：0
|
作者：
De Araújo J.B.O. [1 ]
Souza V.P.R.M. [2 ]
Ferreira T.N. [2 ]
De Matos L.J. [2 ]
Siqueira G.L. [1 ]
Souza J.M. [1 ]
Da Silva M.W.B. [2 ]
机构：
[1] Department of Electrical Engineering, Center for Telecommunication Studies (CETUC), Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro
[2] Department of Telecommunication Engineering, Fluminense Federal University, Niterói
来源：
Journal of Microwaves, Optoelectronics and Electromagnetic Applications | 2020年 / 19卷 / 01期
关键词：
Electromagnetic bandgap; Metamaterial; Microstrip; Phased array;
D O I：
10.1590/2179-10742020v19i11773
中图分类号：
学科分类号：
摘要：
This paper presents a microstrip phased array using High Impedance Surface - Electromagnetic Bandgap (HIS-EBG) in order to minimize the effects of mutual coupling among the antenna elements. Each element of the array is fed by a coaxial cable allowing the beam steering by controlling the signal of the input port of each element. This phased array operates at X Band as well as the bandgap of the HIS-EBG structure. Its main applications are satellite communication and broadcasting systems. Results show reductions in the mutual coupling up to 12 dB, and improvements in the return loss and gain. © 2020 SBMO/SBMag.
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页码：117 / 126
页数：9
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