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Enabling RTK Positioning Under Jamming: Mitigation of Carrier-Phase Distortions Induced by Blind Spatial Filtering

Bamberg, Tobias and Konovaltsev,, Andriy and Meurer, Michael (2023) Enabling RTK Positioning Under Jamming: Mitigation of Carrier-Phase Distortions Induced by Blind Spatial Filtering. Navigation, Journal of the Institute of Navigation, 70 (1). The Institute of Navigation Inc. doi: 10.33012/navi.556. ISSN 2161-4296.

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Official URL: https://dx.doi.org/10.33012/navi.556

Abstract

ew GNSS applications demand resilience against radio interference and high position accuracy. Separately, these demands can be fulfilled by multi-antenna systems using spatial filtering and carrier-phase positioning algorithms like real-time kinematic (RTK), respectively. However, combining these approaches encounters a severe issue: The spatial filtering induces a phase offset into the measured carrier phase leading to a loss of position accuracy. This paper presents a new approach to compensate for the phase offset in a blind manner, (i.e., without knowing the antenna array radiation pattern or the direction of arrival of the signals). The proposed approach is experimentally validated in two jamming scenarios. One includes a jammer with increasing power and the other includes a moving jammer. The results demonstrate that the approach successfully compensates for the phase offset and, hence, allows for the combined use of RTK positioning and spatial filtering even under jamming.

Item URL in elib:https://elib.dlr.de/200271/
Document Type:Article
Title:Enabling RTK Positioning Under Jamming: Mitigation of Carrier-Phase Distortions Induced by Blind Spatial Filtering
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Bamberg, TobiasUNSPECIFIEDhttps://orcid.org/0000-0002-6951-5454UNSPECIFIED
Konovaltsev,, AndriyUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Meurer, MichaelUNSPECIFIEDhttps://orcid.org/0000-0001-7465-6705UNSPECIFIED
Date:March 2023
Journal or Publication Title:Navigation, Journal of the Institute of Navigation
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:70
DOI:10.33012/navi.556
Publisher:The Institute of Navigation Inc
ISSN:2161-4296
Status:Published
Keywords:RTK; antenna arrays; interference mitigation; carrier phase positioning
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication, Navigation, Quantum Technology
DLR - Research area:Raumfahrt
DLR - Program:R KNQ - Communication, Navigation, Quantum Technology
DLR - Research theme (Project):R - GNSS Technologies and Services, R - Project Navigation 4.0
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Bamberg, Tobias
Deposited On:04 Dec 2023 11:48
Last Modified:06 Dec 2023 13:10

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