UNSW GNSS interference detection device

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Abstract
The radio frequency signals transmitted by Global Navigation Satellite Systems (GNSS) have very low power and are susceptible to radio frequency interference. Most GNSS receivers do not measure and quantify any interference they may be suffering; they just do what they can with the signals they receive. Interference can lead to poor receiver positioning performance and, if severe, such as in a jamming environment, complete positioning failure. Interference monitoring could be beneficial in areas such as airports where GNSS positioning will soon be more critical and interference could be present. This paper outlines the work to date on developing an interference detection device based around the Namuru GNSS receiver platform developed at the University of New South Wales (UNSW). The detection device is a hardware and embedded software realization of detection schemes and algorithms developed at UNSW. The detection technique is briefly explained followed by a discussion of the hardware design, software implementation, testing and results, some conclusions and finally, a discussion of possible future activities.
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Author(s)
Mumford, Peter
Balaei, Asghar
Dempster, Andrew
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Publication Year
2007
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Conference Paper
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UNSW Faculty
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download 0200704289.pdf 129.65 KB Adobe Portable Document Format
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