Multi-Band Shared Aperture Antenna for Satellite Communications

Kabir, Syed Salman; Latif, Saeed I.

doi:10.1109/ap-s/usnc-ursi47032.2022.9886054

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI) 2022

DOI: 10.1109/ap-s/usnc-ursi47032.2022.9886054

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Multi-Band Shared Aperture Antenna for Satellite Communications

Syed Salman Kabir

Saeed I. Latif

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2023

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“…In this article, a microstrip patch-based and shared aperture antenna is proposed for multiband operation. A dual-band-shared aperture antenna operating in L1 and X bands is presented in [21]. The antenna discussed in this paper has two microstrip patches that operate at S-band and X-band frequencies.…”

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confidence: 99%

A Multi-Band Circularly Polarized-Shared Aperture Antenna for Space Applications at S and X Bands

Kabir,

Khan,

Latif

2023

Electronics

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In this article, a compact multiband antenna design and analysis is presented with a view of ensuring efficient uplink/downlink communications at the same time from a single antenna for CubeSat applications. This design shares the aperture of an S-band slot antenna to accommodate a square patch antenna operating in the X-band. Shared aperture antennas, along with an air gap and dielectric loading, provided good gain in both frequency bands. The S-band patch had an S11 = −10 dB bandwidth of 30 MHz (2013–2043 MHz, 1.5%), and the X-band antenna demonstrated a bandwidth of 210 MHz (8320–8530 MHz, 2.5%). The Axial Ratio (<3 dB) bandwidth of the slot antenna in the S-band is 7 MHz (2013–2020 MHz, 0.35%), and it is 67 MHz (8433–8500 MHz, 0.8%) in the case of patch antenna in the X-band. While the maximum gain in the S-band reached 7.7 dBic, in the X-band, the peak gain was 12.8 dBic. This performance comparison study shows that the antenna is advantageous in terms of high gain, maintains circular polarization over a wideband, and can replace two antennas needed in CubeSats for uplink/downlink, which essentially saves space.

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confidence: 99%

A Multi-Band Circularly Polarized-Shared Aperture Antenna for Space Applications at S and X Bands

Kabir,

Khan,

Latif

2023

Electronics

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Multi-Band Shared Aperture Antenna for Satellite Communications

Cited by 1 publication

References 4 publications

A Multi-Band Circularly Polarized-Shared Aperture Antenna for Space Applications at S and X Bands

A Multi-Band Circularly Polarized-Shared Aperture Antenna for Space Applications at S and X Bands

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