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Worldwide Availability of Maritime Medium-Frequency Radio Infrastructure for R-Mode-Supported Navigation

Koch, Paul and Gewies, Stefan (2020) Worldwide Availability of Maritime Medium-Frequency Radio Infrastructure for R-Mode-Supported Navigation. Journal of Marine Science and Engineering, 8 (3), p. 209. Multidisciplinary Digital Publishing Institute (MDPI). DOI: 10.3390/jmse8030209 ISSN 2077-1312

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Official URL: https://www.mdpi.com/2077-1312/8/3/209

Abstract

The Ranging Mode (R-Mode), a maritime terrestrial navigation system under development, is a promising approach to increase the resilient provision of position, navigation and timing (PNT) information for bridge instruments, which rely on Global Navigation Satellite Systems (GNSS). The R-Mode utilizes existing maritime radio infrastructure such as marine radio beacons, which support maritime traffic with more reliable and accurate PNT data in areas with challenging conditions. This paper analyzes the potential service, which the R-Mode could provide to the mariner if worldwide radio beacons were upgraded to broadcast R-Mode signals. The authors assumed for this study that the R-Mode is available in the service area of the 357 operational radio beacons. The comparison with the maritime traffic, which was generated from a one-day worldwide Automatic Identification System (AIS) Class A dataset, showed that on average, 67% of ships would operate in a global R-Mode service area, 40% of ships would see at least three and 25% of ships would see at least four radio beacons at a time. This means that R-Mode would support 25% to 40% of all ships with position and 67% of all ships with PNT integrity information. The relatively high number of supported ships compared to the total radio beacon coverage of about 9% of the earth’s surface is caused by the good coverage of busy ports and areas such as the coast of China, North Sea and Baltic Sea. These numbers emphasize the importance of marine radio beacons for the R-Mode system.

Item URL in elib:https://elib.dlr.de/131216/
Document Type:Article
Title:Worldwide Availability of Maritime Medium-Frequency Radio Infrastructure for R-Mode-Supported Navigation
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Koch, PaulPaul.Koch (at) dlr.dehttps://orcid.org/0000-0001-7181-8529
Gewies, StefanStefan.Gewies (at) dlr.dehttps://orcid.org/0000-0001-5549-8115
Date:18 March 2020
Journal or Publication Title:Journal of Marine Science and Engineering
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:8
DOI :10.3390/jmse8030209
Page Range:p. 209
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
ISSN:2077-1312
Status:Published
Keywords:R-Mode; backup system; radio-beacon coverage; maritime traffic; AIS; medium frequency
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 - I4Port
Location: Neustrelitz
Institutes and Institutions:Institute of Communication and Navigation > Nautical Systems
Deposited By: Gewies, Dr. Stefan
Deposited On:15 Apr 2020 10:24
Last Modified:15 Apr 2020 10:24

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