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Precision spacecraft navigation using a low-cost GPS receiver

Montenbruck, Oliver und Swatschina, Paul und Markgraf, Markus und Santandrea, Stefano und Naudet, Joris und Tilmans, Etienne (2012) Precision spacecraft navigation using a low-cost GPS receiver. GPS Solutions, 16 (4), Seiten 519-529. Springer. DOI: 10.1007/s10291-011-0252-6. ISSN 1080-5370.

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Offizielle URL: http://dx.doi.org/10.1007/s10291-011-0252-6

Kurzfassung

Within the PROBA-2 microsatellite mission, a miniaturized single-frequency GPS receiver based on commercial-off-the-shelf (COTS) technology is employed for onboard navigation and timing. A rapid electronic fuse protects against destructive single-event latch-ups (SEL) and enables a quasi-continuous receiver operation despite the inherent sensitivity to space radiation. While limited to single-frequency C/A-code tracking with a narrow-band frontend, the receiver is able to provide precision navigation services through processing of raw GPS measurements on ground as well as a built-in real-time navigation system. In both cases, ionospheric path delays are eliminated through a combination of L1 pseudorange and carrier phase measurements, which also offers a factor-of-two noise reduction relative to code-only processing. By comparison with satellite laser ranging (SLR) measurements, a 0.3-m (3D rms) accuracy is demonstrated for the PROBA-2 reduced dynamic orbit determinations using post-processed GPS orbit and clock products. Furthermore, the experimental onboard navigation system is shown to provide real-time position information with a 3D rms accuracy of about 1 m, which notably outperforms the specification of the Standard Positioning Service (SPS). In view of their lower hardware complexity, mass budget and power requirements as well as the reduced interference susceptibility, legacy C/A-code receivers can thus provide an attractive alternative to dual-frequency receivers even for demanding navigation applications in low Earth orbit.

Dokumentart:Zeitschriftenbeitrag
Titel:Precision spacecraft navigation using a low-cost GPS receiver
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Montenbruck, OliverDLR/GSOC
Swatschina, PaulDLR/GSOC
Markgraf, MarkusDLR/GSOC
Santandrea, StefanoESA/ESTEC
Naudet, JorisQuinetiq Space
Tilmans, EtienneESA/Redu
Datum:5 Januar 2012
Erschienen in:GPS Solutions
Referierte Publikation:Ja
In Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:16
DOI :10.1007/s10291-011-0252-6
Seitenbereich:Seiten 519-529
Verlag:Springer
ISSN:1080-5370
Status:veröffentlicht
Stichwörter:Orbit determination – Real-time navigation – Satellite laser ranging – Single-frequency GPS – GRAPHIC – COTS – SEL – PROBA-2 – Phoenix-XNS
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:keine Zuordnung
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R - keine Zuordnung
DLR - Teilgebiet (Projekt, Vorhaben):R -- keine Zuordnung
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Raumflugbetrieb und Astronautentraining
Hinterlegt von: Dr.rer.nat.hab. Oliver Montenbruck
Hinterlegt am:23 Jan 2012 12:39
Letzte Änderung:04 Apr 2013 16:34

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