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Relativistic corrections for inter-satellite frequency transfer

Kroese, Bethany and Giorgi, Gabriele and Günther, Christoph (2018) Relativistic corrections for inter-satellite frequency transfer. EFTF 2018, April 2018, Torino, Italy.

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Highly accurate time and frequency synchronization is crucial for navigation. Constant improvements in clock technology enable more precise systems. This in turn places stricter demands on coordination and dissemination of timescales. This paper is motivated by an interest in evaluating future concepts for GNSS (Global Navigation Satellite System) constellations. Within the field of space-based time and frequency transfer, inter-satellite links are of high interest for GNSS clock synchronization. In addition to synchronizing clocks, these links can improve orbit determination through precise ranging. Transmissions resolve time and frequency information (i.e. clock offsets and drifts) by modeling satellite orbit effects and propagation delays. In order to fully capitalize on the stability of next-generation space clocks, relativistic corrections must be described to a high level of precision and satellite positions must be accurately known.

Item URL in elib:https://elib.dlr.de/121568/
Document Type:Conference or Workshop Item (Poster)
Additional Information:ADVANTAGE
Title:Relativistic corrections for inter-satellite frequency transfer
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kroese, BethanyAir Force Research LaboratoryUNSPECIFIED
Giorgi, GabrieleGabriele.Giorgi (at) dlr.deUNSPECIFIED
Günther, ChristophChristoph.Guenther (at) dlr.deUNSPECIFIED
Date:April 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Relativity, GNSS, ADVANTAGE, frequency transfer, Kepler
Event Title:EFTF 2018
Event Location:Torino, Italy
Event Type:international Conference
Event Dates:April 2018
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 - Vorhaben GNSS2/Neue Dienste und Produkte
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: Giorgi, Dr. Gabriele
Deposited On:26 Mar 2019 09:47
Last Modified:26 Mar 2019 09:47

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