GNSS Receiver Interference: Susceptibility and Civil Aviation Impact

Mark Johnson and Robert Erlandson

Abstract:	There are several potential sources of interference to a GNSS (Global Navigation Satellite System) receiver in a civil aviation application. These sources are on-board the same aircraft, on nearby aircraft, or are non-aircraft sources, and include in-band RFI, out-of-band RFI, and physical interference. The paper presents an introduction to the interference problem, discusses GPS and GLONASS receiver interference susceptibility including an analysis of interference bandwidth versus receiver susceptibility, and provides an overview of the potential sources of interference to GNSS receivers. It presents a derivation of the minimum receiver to interference source separation distance during emoute and precision approach and a detailed GNSS interference link analysis.
Published in:	Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995) September 12 - 15, 1995 Palm Springs, CA
Pages:	781 - 791
Cite this article:	Johnson, Mark, Erlandson, Robert, "GNSS Receiver Interference: Susceptibility and Civil Aviation Impact," Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995), Palm Springs, CA, September 1995, pp. 781-791.
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