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Robust Ranging in the Presence of Repeater Signals

Iliopoulos, Andreas and Enneking, Christoph and Jost, Thomas and Garcia Crespillo, Omar and Appel, Manuel and Antreich, Felix (2017) Robust Ranging in the Presence of Repeater Signals. In: Proceedings of 30th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2017. ION GNSS+ 2017, 2017-09-25 - 2017-09-29, Portland, USA. doi: 10.33012/2017.15290.

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This paper tackles the problem of robust Global Navigation Satellite System (GNSS) ranging in the presence of GNSS repeater signals. In such cases repeater signals act as an interference to GNSS satellite signals and need to be mitigated. The first contribution of this paper is the impact analysis of repeater signals on Delay- Locked-Loops (DLL), which are traditionally utilized for the time of arrival estimation in GNSS receivers. In the analysis, we determine different threat regions based on satellite signal and repeater signal parameters. Secondly, it introduces a novel algorithm that performs simultaneous channel estimation and equalization for GNSS signals. The proposed algorithm proves to be resilient in the presence of GNSS repeater signals in comparison to regular DLL structures. Finally, based on the inherent channel estimation the algorithm provides, it is possible to characterize the parameters of GNSS repeaters.

Item URL in elib:https://elib.dlr.de/119449/
Document Type:Conference or Workshop Item (Speech)
Title:Robust Ranging in the Presence of Repeater Signals
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Iliopoulos, AndreasUNSPECIFIEDhttps://orcid.org/0000-0001-8941-5453UNSPECIFIED
Garcia Crespillo, OmarUNSPECIFIEDhttps://orcid.org/0000-0002-2598-7636UNSPECIFIED
Date:September 2017
Journal or Publication Title:Proceedings of 30th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2017
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Keywords:GNSS, CDMA systems, channel estimation, repeaters, interference characterization, interference localization
Event Title:ION GNSS+ 2017
Event Location:Portland, USA
Event Type:international Conference
Event Start Date:25 September 2017
Event End Date:29 September 2017
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Project Navigation 4.0 (old), R - Vorhaben GNSS2/Neue Dienste und Produkte (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Institute of Communication and Navigation > Communications Systems
Deposited By: Iliopoulos, Andreas
Deposited On:22 Mar 2018 11:30
Last Modified:24 Apr 2024 20:23

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