Abstract
A dual-wideband circular polarized shared aperture antenna for CubeSat applications is presented in this paper. The antenna exploits two distinct components operating at separate bands. The S-band antenna is based on a stacked patch structure. Circular polarization with a single feeding point is achieved by truncating the corners of both patches. The X-band antenna adopts an S-inverted printed dipole where the upper patch of the S-band antenna acts as a ground plane. An alternative technique to feed the printed dipole avoiding the use of a balun is then proposed. The shared aperture antenna shows a -10dB impedance bandwidth from 1.92 to 2.16 GHz and from 7.2 to 10 GHz in S- and X- band, respectively. These performances are able to cover the downlink and uplink frequencies for the Earth Exploration Satellite Services (EESS). An AR below 3dB in the S-band and below 1.5dB in the X-band within the EESS bandwidths is achieved.
| Original language | English |
|---|---|
| Title of host publication | 2021 15th European Conference on Antennas and Propagation (EuCAP) |
| Publisher | IEEE |
| ISBN (Electronic) | 9788831299022 |
| DOIs | |
| Publication status | Published - 27 Apr 2021 |
| Event | 15th European Conference on Antennas and Propagation 2021 - Dusseldorf, Germany Duration: 22 Mar 2021 → 26 Mar 2021 |
Conference
| Conference | 15th European Conference on Antennas and Propagation 2021 |
|---|---|
| Abbreviated title | EuCAP 2021 |
| Country/Territory | Germany |
| City | Dusseldorf |
| Period | 22/03/21 → 26/03/21 |
Keywords
- aperture-shared
- circular polarization
- CubeSat
- dual-band
- S-band
- S-dipole
- stacked patch
- X-band
ASJC Scopus subject areas
- Computer Networks and Communications
- Signal Processing
- Instrumentation