Mutual Coupling Reduction in Phased Array Antennas Applying High-Impedance Surface at X Band

Mutual Coupling Reduction in Phased Array Antennas Applying High-Impedance Surface at X Band

Abstract 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.

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Bibliographic Details
Main Authors: Araújo,José Bruno O. de, Souza,Vanessa P. R. Magri, Ferreira,Tadeu N., Matos,Leni J. de, Siqueira,Glaucio L., Souza,Jorge M., Silva,Maurício W. B. da
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo 2020
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2179-10742020000100118
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