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- W2913446072 abstract "GNSS systems are susceptible to radio interference despite then operating in a spread spectrum. The commerce jammers power up to 2 watts that can block the receiver function at a distance of up to 15 kilometers in free space. Two original methods for GNSS receiver testing were developed. The first method is based on the usage of a GNSS simulator for generation of the satellite signals and a vector signal RF generator for generating different types of interference signals. The second software radio method is based on a software GNSS simulator and a signal processing in Matlab. The receivers were tested for narrowband CW interference, FM modulated signal and chirp jamming signals, and scenarios. The signal to noise ratio usually drops down to 27 dBc-Hz while the jamming to signal ratio is different for different types of interference. The chirp signal is very effective. The jammer signal is well propagated in free space while in the real mobile urban and suburban environment it is usually strongly attenuated." @default.
- W2913446072 created "2019-02-21" @default.
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- W2913446072 date "2023-07-26" @default.
- W2913446072 modified "2023-09-23" @default.
- W2913446072 title "Study of the GNSS Jamming in Real Environment" @default.
- W2913446072 doi "https://doi.org/10.24425/ijet.2019.126284" @default.
- W2913446072 hasPublicationYear "2023" @default.
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