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

Authors

  • J. B. O. de Araújo
  • V. P. R. M. Souza
  • T. N. Ferreira
  • L. J. de Matos
  • G. L. Siqueira
  • J. M. Souza
  • M. W. B. da Silva

DOI:

https://doi.org/10.1590/2179-10742020v19i11773

Keywords:

electromagnetic band-gap, metamaterial, microstrip, phased array

Abstract

This paper presents a microstrip phased array using High Impedance Surface - Electromagnetic Band Gap (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 band-gap 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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Published

2020-03-19

How to Cite

Araújo, J. B. O. de, Souza, . V. P. R. M., Ferreira, T. N., Matos, L. J. de, Siqueira, G. L., Souza, J. M., & Silva, M. W. B. da. (2020). Mutual Coupling Reduction in Phased Array Antennas Applying High-Impedance Surface at X Band. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), 19(1), 118-128. https://doi.org/10.1590/2179-10742020v19i11773

Issue

Section

Regular Papers