GNSS RFI Monitoring and Classification on Norwegian Highways – An Authority Perspective

Nicolai Gerrard, Anders Rødningsby, Aiden Morrison, Nadezda Sokolova, Christian Rost

Abstract: This paper presents analysis and results from Global Navigation Satellite System (GNSS) radio frequency interference (RFI) monitoring along one of the main Norwegian highways. Classification and analysis of GNSS RFI data from a period of 20 months is presented, where a simple correlation analysis is performed to understand RFI effects on some GNSS parameters. It is shown that the main type of GNSS RFI severely affecting GNSS receivers are jammers, yet jammers are in no way the most prevalent cause for RFI observed. The data presented shows a continuation of trends described in earlier monitoring campaigns, with a slight increase of jammers in 2021. The paper also outlines how the results from a monitoring campaign like this could be used effectively in a strategy for spectrum enforcement efforts.
Published in: Proceedings of the 34th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2021)
September 20 - 24, 2021
Union Station Hotel
St. Louis, Missouri
Pages: 864 - 878
Cite this article: Gerrard, Nicolai, Rødningsby, Anders, Morrison, Aiden, Sokolova, Nadezda, Rost, Christian, "GNSS RFI Monitoring and Classification on Norwegian Highways – An Authority Perspective," Proceedings of the 34th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2021), St. Louis, Missouri, September 2021, pp. 864-878. https://doi.org/10.33012/2021.17952
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