Q and V band dual offset feed parabolic antenna for satellite communication in equatorial region
Recently, The International Telecommunications Union (ITU) has allocated significant frequency bandwidth in the Q/V band for Fixed-Satellite Services (FSS), making these frequencies potentially useful for future broadband systems. In satellite communication, parabolic reflector antennas are wid...
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| Main Authors: | , , , |
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| Format: | Proceeding Paper |
| Language: | English English |
| Published: |
IEEE
2023
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/107158/1/107158_Q%20and%20V%20band%20dual%20offset.pdf http://irep.iium.edu.my/107158/7/107158_Q%20and%20V%20band%20dual%20offset%20parabolic_SCOPUS.pdf http://irep.iium.edu.my/107158/ https://ieeexplore.ieee.org/abstract/document/10246104 |
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| Summary: | Recently, The International Telecommunications
Union (ITU) has allocated significant frequency bandwidth in
the Q/V band for Fixed-Satellite Services (FSS), making these
frequencies potentially useful for future broadband systems. In
satellite communication, parabolic reflector antennas are
widely used because they have very high gain and directivity.
However, Q/V band links have a higher atmospheric
attenuation, and it is much more severe in the equatorial
region. Since the wavelength of Q/V band is very short, the
offset feed type offers greater advantage by not having the feed
obstructing the signal path. However, unlike the Ku or Ka
band terminals, the feeds and dish for the Q/V band satcom
terminals are not yet commercially available. Therefore, in this
article, two Q/V band parabolic antenna with offset feed were
designed using WR-19 waveguide and standard horn as its
feed. Both offset feed parabolic antennas will be designed,
simulated, and analyzed using CST Studio Suite software.
Performance in terms of S-parameter, VSWR, radiation
pattern, gain, directivity, and radiation efficiency were
compared to identify which types of offset feed parabolic
antenna is the most suitable for the Q/V band. Both designs
produce a radiation efficiency greater than 95% at both Q and
V frequencies. Both designs obtain very good results and the
offset parabolic antenna with standard horn has a gain of 29.13 dB at 42 GHz and 34.49 dB at 52 GHz making it more suitable for future Q and V links in the equatorial region. |
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