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GNSS Autonomous Integrity Monitoring with Barometric Pressure Measurements and Weather Data

Simonetti, Maximilian and Garcia Crespillo, Omar (2022) GNSS Autonomous Integrity Monitoring with Barometric Pressure Measurements and Weather Data. In: Proceedings of the 35th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS+ 2022, pp. 247-260. Institute of Navigation. 35th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2022), 2022-09-19 - 2022-09-23, Denver, Colorado. doi: 10.33012/2022.18456. ISBN 978-0-936406-32-9. ISSN 2331-5954.

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Official URL: https://www.ion.org/publications/abstract.cfm?articleID=18456

Abstract

Vertical navigation is essential for new aviation operations like precision approaches and automatic landing which are expected to be primarily based on Global Navigation Satellite Systems (GNSS). However, achieving tighter vertical requirements with GNSS is challenging due to the inherent geometrical limitations. Current Aircraft-Based Augmentation Systems (ABAS) developments focus on proving that Advanced Receiver Autonomous Integrity Monitoring (ARAIM) is able to provide a robust operation for horizontal services and vertical guidance via the use of Multi-frequency and Multi-constellation GNSS. Although ARAIM can achieve high levels of integrity, the availability and continuity of the system may be compromised by the loss of satellites or high presence of cycle slips. For this reason, the support of onboard sensors like barometers is essential to guarantee all the vertical navigation requirements and extend the achievable accuracy and integrity for future even more stringent operations. This paper aims at augmenting GNSS navigation with geodetic altitude obtained from aircraft barometric pressure measurements and external weather data within a robust navigation architecture based on ARAIM. The present work describes the derivations of the threat and error models that are required for the inclusion of this barometric geodetic altitude into ARAIM. The improvement in availability is simulated world-wide with respect to the expected uncertainty of the geodetic barometric altitude. Then, real flight data is used to show the benefit of the barometer augmentation on the integrity of the navigation solution under real operational scenarios. The error models are obtained from several hours of flight data collected during a flight tests campaign performed in 2018 with the German Aerospace Center’s (DLR) Dassault Falcon aircraft.

Item URL in elib:https://elib.dlr.de/189868/
Document Type:Conference or Workshop Item (Speech)
Title:GNSS Autonomous Integrity Monitoring with Barometric Pressure Measurements and Weather Data
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Simonetti, MaximilianUNSPECIFIEDhttps://orcid.org/0000-0002-7949-6867UNSPECIFIED
Garcia Crespillo, OmarUNSPECIFIEDhttps://orcid.org/0000-0002-2598-7636UNSPECIFIED
Date:September 2022
Journal or Publication Title:Proceedings of the 35th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS+ 2022
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI:10.33012/2022.18456
Page Range:pp. 247-260
Publisher:Institute of Navigation
ISSN:2331-5954
ISBN:978-0-936406-32-9
Status:Published
Keywords:MAAST, Barometer, ECMWF, ARAIM, ERA5
Event Title:35th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2022)
Event Location:Denver, Colorado
Event Type:international Conference
Event Start Date:19 September 2022
Event End Date:23 September 2022
Organizer:Institute of Navigation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Cyber-Security Centric Communication, Navigation and Surveillance, R - GNSS Technologies and Services
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Simonetti, Herr Maximilian
Deposited On:16 Nov 2022 12:49
Last Modified:24 Apr 2024 20:51

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