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Hardware in the Loop Laboratory Test Systems for Medium Frequency R-Mode Receivers

Grundhöfer, Lars and Rizzi, Filippo Giacomo and Hehenkamp, Niklas and Gewies, Stefan (2023) Hardware in the Loop Laboratory Test Systems for Medium Frequency R-Mode Receivers. Engineering Proceedings. Multidisciplinary Digital Publishing Institute (MDPI). doi: 10.3390/ENC2023-15464. ISSN 2673-4591.

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Official URL: https://www.mdpi.com/2673-4591/54/1/59


Terrestrial radio navigation systems are an important data source for increasing the integrity of position, navigation, and timing information and for strengthening the immunity to the spoofing and jamming of satellite-based systems. A possible solution for maritime use is the medium frequency R-Mode. Here, the first real results were presented in the Baltic Sea within the R-Mode Baltic project. For the development of receivers and future signal evolution of R-Mode, there is a great need to provide simulated signals to the receiver hardware. For our laboratory work, we developed different hardware in the loop test systems which enable the simulation of each of the three components and the entire medium frequency R-Mode signal. With this setup, we are able to conduct reproducible tests of the R-Mode receiver’s ranging and positioning performance without the necessity of field tests. Furthermore, the impact of R-Mode signal modifications can be initially analyzed without the need of an implementation in the real-world test bed. Firstly, we describe the usage of arbitrary wave generators that can be used to replay received or simulated signals. Due to their wide distribution in electronic laboratories, there are cost-efficient ways to build up test capabilities. For this work, we tested the Tektronix AFG 3022 and the Rigol DG1032. For further tests, we utilize software-defined radios that are capable of streaming continuous signals. We utilize the ETTUS N210 to directly output the simulated signals. Additionally, we test the LimeSDR with an external down-converter. To generate these signals, we utilize software packages that were created to support the development of the digital signal processing. This approach allows us to test our receiver with a continuous integration from pure software to hardware in the loop test. A comprehensive summary gives an overview of the pros and cons for the different suggested systems

Item URL in elib:https://elib.dlr.de/200544/
Document Type:Article
Title:Hardware in the Loop Laboratory Test Systems for Medium Frequency R-Mode Receivers
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Grundhöfer, LarsUNSPECIFIEDhttps://orcid.org/0000-0002-8650-8280148177617
Rizzi, Filippo GiacomoUNSPECIFIEDhttps://orcid.org/0000-0003-0585-2133UNSPECIFIED
Gewies, StefanUNSPECIFIEDhttps://orcid.org/0000-0001-5549-8115UNSPECIFIED
Date:5 December 2023
Journal or Publication Title:Engineering Proceedings
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:No
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Keywords:R-Mode; medium frequency; positioning; hardware in the loop
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Transport System
DLR - Research area:Transport
DLR - Program:V VS - Verkehrssystem
DLR - Research theme (Project):V - FuturePorts
Location: Neustrelitz
Institutes and Institutions:Institute of Communication and Navigation > Nautical Systems
Deposited By: Grundhöfer, Lars
Deposited On:06 Dec 2023 12:16
Last Modified:06 Dec 2023 12:16

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