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GBAS RF Interference Detection Threshold Determination at Palermo Airport

Konovaltsev, Andriy and Kaelberer, Ulrich and Sgammini, Matteo and Meurer, Michael (2009) GBAS RF Interference Detection Threshold Determination at Palermo Airport. In: Proceedings of ENC GNSS 2009. Italian Institute of Navigation. European Navigation Conference - Global Navigation Satellite Systems 2009, ENC GNSS 2009, 3.-6. Mai 2009, Neapel, Italien.

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Official URL: http://www.enc-gnss09.it/


The GNSS ranging signals have extremely low powers and are deeply buried into the noise at the antenna port of a navigation receiver. Because of this, the GNSS receivers are inherently vulnerable to the radio interference problem. Due to the utilization of the spread spectrum technology, some resistance to radio frequency interference (RFI) is provided by obtaining the processing gain after the PRN code dispreading. However, this amount of the resistance is not sufficient against strong radio interference that can distort the GNSS operation at large areas. Especially of large concern is the RFI problem in the GNSS applications with safety-critical content, such as aircraft landing with the help of a Ground Based Augmentation System (GBAS). Like in other safety-critical systems, any GBAS failure mode that may lead to misleading information for the user must be detected at a high level of confidence. The detection of the failure modes caused by the radio interference/jamming is in the focus of this paper. In the paper we propose and analyze the performance of three methods for detecting the corresponding types of interferers defined by the GBAS minimum operational requirements: continuous wave, wideband and pulsed interference. The methods have been developed keeping in mind the implementation with the out-of-shelf GBAS GPS receiver.

Item URL in elib:https://elib.dlr.de/60088/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:GBAS RF Interference Detection Threshold Determination at Palermo Airport
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Konovaltsev, Andriyandriy.konovaltsev (at) dlr.deUNSPECIFIED
Kaelberer, UlrichTHALES ATM, Korntal, GermanyUNSPECIFIED
Date:5 May 2009
Journal or Publication Title:Proceedings of ENC GNSS 2009
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Publisher:Italian Institute of Navigation
Keywords:GNSS, GBAS, radio interference, detection, performance
Event Title:European Navigation Conference - Global Navigation Satellite Systems 2009, ENC GNSS 2009
Event Location:Neapel, Italien
Event Type:international Conference
Event Dates:3.-6. Mai 2009
Organizer:European Group of Institutes of Navigation (EUGIN)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Konovaltsev, Dr.-Ing. Andriy
Deposited On:07 Oct 2009 08:02
Last Modified:12 Dec 2013 20:43

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