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Galileo

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Springer Handbook of Global Navigation Satellite Systems

Part of the book series: Springer Handbooks ((SHB))

Zusammenfassung

The European global navigation satellite system Galileo is designed as a self-standing satellite-based positioning system for worldwide service. It is independent from other systems with respect to satellite constellation, ground segment, and operation. Galileo is prepared to be compatible and interoperable with other radio navigation satellite systems, with global positioning system (GlossaryTerm

GPS

) as the main example. It uses the same physical principles as GPS, GLONASS, and others, that is radio signal-based ranging measurements from high-precision clocks as sources in orbit. The features of the first generation of Galileo comprise technological advances such as passive maser clock technology in orbit, plus modern system and signal concepts aligned to the planned and ongoing modernization of other systems. To the user, Galileo provides navigation signals on three frequencies E1, E6, and E5. The signals in E1 and E5 are coordinated with GPS L1 and L5, and both systems use equivalent modulation principles. This is expected to result in a benefit with respect to positioning accuracy, and in increased robustness of a positioning service derived from the combined use of multiple independent radio navigation systems. This chapter describes architecture and operations of Galileo.

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Abbreviations

ADEV:

Allan deviation

AltBOC:

alternative BOC

AOCS:

attitude and orbit control system

BGD:

broadcast group delay

BIPM:

Bureau International des Poids et Mesures

BOC:

binary offset carrier

BPSK:

binary phase-shift keying

CBOC:

composite binary offset carrier

CDMA:

code division multiple access

CNAV:

civil navigation message

CRC:

cyclic redundancy check

CS:

Commercial Service

DME:

distance measuring equipment

DOP:

dilution of precision

EGNOS:

European Geostationary Navigation Overlay Service

ESA:

European Space Agency

FEC:

forward error correction

FOC:

full operational capability

GCC:

Galileo Control Centre

GGTO:

GPS-to-Galileo time offset

GIOVE:

Galileo In-Orbit Validation Element

GLONASS:

Global’naya Navigatsionnaya Sputnikova Sistema (Russian Global Navigation Satellite System)

GMS:

ground mission segment

GNSS:

global navigation satellite system

GPS:

Global Positioning System

GST:

Galileo System Time

HDOP:

horizontal dilution of precision

ICD:

interface control document

IGS:

International GNSS Service

IOD:

issue-of-data

IOT:

in-orbit test

IOV:

in-orbit validation

ITRF:

International Terrestrial Reference Frame

ITU:

International Telecommunication Union

LEOP:

launch and early orbit phase

MEO:

medium Earth orbit

OS:

Open Service

OSPF:

orbitography and synchronization processing facility

PDOP:

position dilution of precision

PHM:

passive hydrogen maser

PVT:

position, velocity and time

RAAN:

right ascension of ascending node

RAFS:

rubidium atomic frequency standard

RF:

radio frequency

RMS:

root mean square

SAR:

search and rescue

TT&C:

telemetry, tracking, and commanding

UERE:

user equivalent range error

UTC:

Coordinated Universal Time

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Acknowledgements

The authors would like to thank their colleagues in the Galileo Project Office and all teams at Industry contributing to the European project for the Global Navigation Satellite System Galileo. Without their continuous efforts Galileo would not have come into existence.

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Authors and Affiliations

  1. Galileo Project Office, European Space Agency (ESA), Keplerlaan 1, 2201 AZ, Noordwijk, Netherlands

    Marco Falcone, Jörg Hahn & Thomas Burger

Authors
  1. Marco Falcone
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  2. Jörg Hahn
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  3. Thomas Burger
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Corresponding author

Correspondence to Marco Falcone .

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Editors and Affiliations

  1. Dept. of Spatial Sciences, Curtin University, WA 6845, Perth, Australia

    Peter J.G. Teunissen

  2. Department of Geoscience and Remote Sensing, Delft University of Technology, 2600 GA, Delft, Netherlands

    Peter J.G. Teunissen

  3. German Aerospace Center (DLR), Münchener Str. 20, 82234, Wessling, Germany

    Oliver Montenbruck

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Falcone, M., Hahn, J., Burger, T. (2017). Galileo. In: Teunissen, P.J., Montenbruck, O. (eds) Springer Handbook of Global Navigation Satellite Systems. Springer Handbooks. Springer, Cham. https://doi.org/10.1007/978-3-319-42928-1_9

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