A novel S-band circularly polarized patch antenna system suited for earth-observing CubeSats is presented. The antenna consists of four rectangular patches properly excited in order to have the maximum gain in the boresight direction and produce circular polarization. The antenna has a compact size, and its geometry and characteristics are compatible with any CubeSat standard structure. A 57-mm-wide square window allows to accommodate imaging system optics in its center leading to a very compact overall system. A prototype of the designed antenna system has been used to validate simulation results that showed a gain of 7.3 dBi. Experimental measurements confirm that the antenna achieves good impedance match at the desired frequency of 2450 MHz, a directivity of 8.3 dBi, and 60° 3-dB beamwidth, in good agreement with the simulation results.

High gain S-band patch antenna system for Earth observation cubesat satellites / Nascetti, Augusto; Pittella, Erika; Teofilatto, Paolo; Pisa, Stefano. - In: IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS. - ISSN 1536-1225. - STAMPA. - 14:(2015), pp. 434-437. [10.1109/LAWP.2014.2366791]

High gain S-band patch antenna system for Earth observation cubesat satellites

NASCETTI, Augusto;PITTELLA, ERIKA;TEOFILATTO, Paolo;PISA, Stefano
2015

Abstract

A novel S-band circularly polarized patch antenna system suited for earth-observing CubeSats is presented. The antenna consists of four rectangular patches properly excited in order to have the maximum gain in the boresight direction and produce circular polarization. The antenna has a compact size, and its geometry and characteristics are compatible with any CubeSat standard structure. A 57-mm-wide square window allows to accommodate imaging system optics in its center leading to a very compact overall system. A prototype of the designed antenna system has been used to validate simulation results that showed a gain of 7.3 dBi. Experimental measurements confirm that the antenna achieves good impedance match at the desired frequency of 2450 MHz, a directivity of 8.3 dBi, and 60° 3-dB beamwidth, in good agreement with the simulation results.
2015
CubeSat; high gain; patch antennas; S-band; small satellites
01 Pubblicazione su rivista::01a Articolo in rivista
High gain S-band patch antenna system for Earth observation cubesat satellites / Nascetti, Augusto; Pittella, Erika; Teofilatto, Paolo; Pisa, Stefano. - In: IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS. - ISSN 1536-1225. - STAMPA. - 14:(2015), pp. 434-437. [10.1109/LAWP.2014.2366791]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/650704
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