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All Journal International Journal of Electrical and Computer Engineering
Ahmed Oulad Said
École Supérieure d’Ingénieurs en Génie Électrique
Computer Science & IT Electrical & Electronics Engineering

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Miniaturized patch antenna for the S-band communication subsystem of the 3U University CubeSat Nabil El Hassainate; Loubna Berrich; Nabil Benjelloun; Ahmed Oulad Said; Zouhair Guennoun
International Journal of Electrical and Computer Engineering (IJECE) Vol 16, No 4: August 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v16i4.pp1913-1926

Abstract

This paper introduces a miniaturized patch antenna for the reception module of the 3U University CubeSat in the S-band communications subsystem. In order to reduce the physical characteristics of the antenna (dimensions, mass) and achieve circular polarization (CP), as well as increasing its performances, two techniques are used: the first consists of introducing semicircle truncation on both sides of the square patch, and the second consists of modifying the ground plane with networks of symmetrical slots along the main axes (x,y). The fabricated antenna prototype has overall dimensions of 55×55×3.27 mm and a total mass of 20.59 g. The developed antenna spans the uplink band (2.025 to 2.110 GHz) for payload and telemetry operations. The designed antenna achieves a reflection coefficient below minus 10 dB across the target frequency band, along with a minus 3 dB axial ratio bandwidth that is well appropriate to space communication links. The comparisons of the prototype results to the simulation results using CST and HFSS provide close agreement of around 90%.
Co-Authors Loubna Berrich Nabil Benjelloun Nabil El Hassainate Zouhair Guennoun