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URA/SISA Analysis for GPS and Galileo to Support ARAIM

Perea Diaz, Santiago and Meurer, Michael and Rippl, Markus and Belabbas, Boubeker and Joerger, Mathieu (2017) URA/SISA Analysis for GPS and Galileo to Support ARAIM. Navigation, Journal of the Institute of Navigation, 64 (2), pp. 237-254. Wiley. DOI: 10.1002/navi.199 ISBN 2161-4296 ISSN 0028-1522

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/navi.199/full


This paper presents a User Range Accuracy (URA)/Signal-in-Space Accuracy (SISA) analysis to support ARAIM based on a time-dependent statistical characterization of orbit and clock error observations. By comparing precise orbits to broadcast ephemeris for each individual GPS and Galileo satellite, this work computes the Signal-in-Space Range Error (SISRE) that needs to be overbounded by the URA/SISA value included in the Integrity Support Message (ISM). Service data from January 2008 to February 2015 for GPS and from March to June 2015 for Galileo are processed, showing that range error is mainly driven by satellite's clock performance. In order for the ISM generation to account for the variation in error biases and standard deviation, GPS service history is broken down into monthly, quarterly, and yearly datasets. Results reveal that orbit and clock error distributions are non-zero mean on a monthly basis, although biases tend to reduce as sample set size increases.

Item URL in elib:https://elib.dlr.de/114619/
Document Type:Article
Title:URA/SISA Analysis for GPS and Galileo to Support ARAIM
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Perea Diaz, Santiagosantiago.pereadiaz (at) dlr.deUNSPECIFIED
Meurer, Michaelmichael.meurer (at) dlr.deUNSPECIFIED
Rippl, Markusmarkus.rippl (at) dlr.deUNSPECIFIED
Belabbas, Boubekerboubeker.belabbas (at) dlr.deUNSPECIFIED
Joerger, Mathieujoerger (at) iit.eduUNSPECIFIED
Date:19 July 2017
Journal or Publication Title:Navigation, Journal of the Institute of Navigation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1002/navi.199
Page Range:pp. 237-254
Pervan, Borispervan@iit.edu
Keywords:GPS, Galileo, Integrity, ARAIM, Orbit error
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 - Project Dependable Navigation
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Perea Diaz, Mr Santiago
Deposited On:17 Oct 2017 09:07
Last Modified:06 Sep 2019 15:23

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