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Development and Validation of a Multipath Mitigation Technique Using Multi-Correlator Structures

Siebert, Christian and Konovaltsev, Andriy and Meurer, Michael (2023) Development and Validation of a Multipath Mitigation Technique Using Multi-Correlator Structures. Navigation, Journal of the Institute of Navigation, 70 (4). The Institute of Navigation Inc. doi: 10.33012/navi.609. ISSN 2161-4296.

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Official URL: https://navi.ion.org/content/70/4/navi.609


Multipath propagation is a major source of error in global navigation satellite systems (GNSSs), especially in urban environments. This is because conventional GNSS receivers can provide biased range estimates that lead to positioning errors. In this paper, an Extended Kalman Filter (EKF)-based solution that relies on a multi-correlator structure is proposed to replace the conventional delay locked loop (DLL). The underlying signal model incorporates the radio propagation channel between the satellite and receiver and thus inherently accounts for reflected signal replicas. The algorithm was evaluated with simulations and hardware emulations and a measurement campaign was conducted in road traffic with different multipath environments. Our results revealed that the proposed EKF was very effective against multipath-associated error.

Item URL in elib:https://elib.dlr.de/196590/
Document Type:Article
Title:Development and Validation of a Multipath Mitigation Technique Using Multi-Correlator Structures
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Siebert, ChristianUNSPECIFIEDhttps://orcid.org/0000-0001-7228-5488153688272
Meurer, MichaelUNSPECIFIEDhttps://orcid.org/0000-0001-7465-6705UNSPECIFIED
Date:9 August 2023
Journal or Publication Title:Navigation, Journal of the Institute of Navigation
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
Publisher:The Institute of Navigation Inc
Keywords:EKF, GNSS receiver, multi-correlator, multipath mitigation, multi-signal tracking
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 - Project Navigation 4.0
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Siebert, Christian
Deposited On:21 Aug 2023 15:07
Last Modified:21 Feb 2024 12:22

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