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Non-Gaussian Error Modeling for GBAS Integrity Assessment

Dautermann, Thomas and Mayer, Christoph and Antreich, Felix and Konovaltsev, Andriy and Belabbas, Boubeker and Ulrich, Kälberer (2012) Non-Gaussian Error Modeling for GBAS Integrity Assessment. IEEE Transactions on Aerospace and Electronic Systems, pp. 693-706. IEEE. DOI: 10.1109/TAES.2012.6129664. ISSN 0018-9251.

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Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6129664

Abstract

Four basic error sources exist for residual pseudorange error in a single frequency differential GPS system for ground based augmentation (GBAS): signal multipath, increased receiver noise C/N0 due to interference, residual differential troposphere error due to the applied troposphere model and the error induced by ionosphere gradients. Without using classical Gaussian overbounding, we combine their probability density functions to a joint pseudorange error distribution. This distribution is propagated through the GBAS Hatch filter and then mapped into the position domain using a worst case constellation observed at Braunschweig Airport, Germany. Our calculations using the unapproximated PDFs yield a significant reduction amounting to over 50% of the position domain error at the 2x10^7 integrity risk level when compared to the classical Gaussian overvounding approach.

Document Type:Article
Title:Non-Gaussian Error Modeling for GBAS Integrity Assessment
Authors:
AuthorsInstitution or Email of Authors
Dautermann, ThomasThomas.Dautermann@dlr.de
Mayer, ChristophDLR
Antreich, FelixDLR
Konovaltsev, AndriyDLR
Belabbas, BoubekerDLR
Ulrich, KälbererThales ATM
Date:16 January 2012
Journal or Publication Title:IEEE Transactions on Aerospace and Electronic Systems
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI:10.1109/TAES.2012.6129664
Page Range:pp. 693-706
Publisher:IEEE
ISSN:0018-9251
Status:Published
Keywords:GBAS, Integrity, Error Propagation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignement
DLR - Research area:Space
DLR - Program:W - no assignement
DLR - Research theme (Project):W -- no assignement (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Institute of Communication and Navigation > Navigation
Deposited By: Dr. Thomas Dautermann
Deposited On:17 Dec 2009 12:01
Last Modified:12 Dec 2013 20:47

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