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Impact of flex power on GPS Block IIF differential code biases

Ezenbuga, Özge and Hauschild, Andre (2020) Impact of flex power on GPS Block IIF differential code biases. GPS Solutions, 24, p. 91. Springer. DOI: 10.1007/s10291-020-00996-x ISSN 1080-5370

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Abstract

GPS Block IIF satellites are able to redistribute the transmit power between the signal components. This ability is called Flex power, and it has been developed as a remedy against jamming. Since it is operationally not possible to increase the transmit power for all signal components simultaneously, a redistribution between them is necessary under certain operational situations. Flex power has been active on Block IIF satellites since January 2017 over a specific regional area and has an impact on differential code bias estimation as well as the signal-to-noise density ratio. A network of the International GNSS Service stations containing only Septentrio PolaRx5 and PolaRx5TR receivers between August 1 and November 21, 2019 has been used for differential code bias estimation using GPS L1 C/A, L1 P(Y), L2 P(Y), and L2C signals with and without consideration of the flex power in the estimation process for Block IIF satellites. The estimation results are compared with the German Aerospace Center as well as the Chinese Academy of Sciences DCB products to validate the results.

Item URL in elib:https://elib.dlr.de/135515/
Document Type:Article
Title:Impact of flex power on GPS Block IIF differential code biases
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ezenbuga, ÖzgeOezge.Esenbuga (at) dlr.dehttps://orcid.org/0000-0002-0736-8380
Hauschild, Andreandre.hauschild (at) dlr.dehttps://orcid.org/0000-0002-0172-3492
Date:2020
Journal or Publication Title:GPS Solutions
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:24
DOI :10.1007/s10291-020-00996-x
Page Range:p. 91
Publisher:Springer
ISSN:1080-5370
Status:Published
Keywords:Differential Code Biases, Flex Power, GPS Block IIF
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:13 Jul 2020 14:01
Last Modified:13 Jul 2020 14:01

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