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Robust GNSS Receivers by Array Signal Processing: Theory and Implementation
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DOI：10.1109/JPROC.2016.2532963.png)
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Abstract
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One of the main vulnerabilities of GNSS receivers is their exposure to intentional or unintentional jamming signals, which could even cause service unavailability. Several alternatives to counteract these effects were proposed in the literature, being the most promising those based on multiple antenna architectures. This is specially the case for high-grade receivers used in applications requiring reliability and robustness. This article provides an overview of the possible receiver architectures encompassing antenna arrays and the associated signal processing techniques. Emphasis is also put on the most typical implementation issues found when dealing with such technology. A thorough survey is complemented with a set of experiments, including real data processing by a working prototype, which exemplifies the above ideas.
Keywords:
Adaptive arrays
array signal processing
availability
electromagnetic interference
global positioning system
radio navigation
receiving antennas
robustness
satellite navigation systems
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25.9
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9.9K
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