Low multipath antennas for GNSS-based attitude determination systems applied to high-altitude platforms |
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| Authors: | Luigi Boccia Pasquale Pace Giandomenico Amendola Giuseppe Di Massa |
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| Institution: | (1) Dipartimento di Elettronica, Informatica e Sistemistica, Università della Calabria, Via Bucci, 42-C8, 87036 Rende, CS, Italy |
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| Abstract: | High-altitude platforms (HAPs) are a flexible and attractive technology for providing innovative wireless services. These
aerial platforms can be successfully employed for mobile or broadband communications and for disaster monitoring or response.
However, one of the open issues is whether HAP stations can provide reliable services without temporal outages owing to stratospheric
winds that can cause positional and attitude instabilities thus affecting the communication system operation. To counteract
this issue, one possible solution is to use reconfigurable antennas whose pointing direction can be adjusted depending on
the platform spatial orientation. However, this would require real-time three-axial attitude data. As a possible solution,
this paper will review the potential of GNSS-based attitude determination systems with reference to HAP stations. In particular,
it will be shown how the use of a particular class of low multipath and lightweight antennas can provide a high degree of
accuracy without altering the avionic ballast. |
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| Keywords: | High altitude platform Global positioning system Shorted annular patch antenna Global navigation satellite system Multipath |
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