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Progress on Working Group-C Activities on Advanced RAIM

Juan Blanch 1 Todd Walter, 1 Per Enge 1 Jason Burns, 2 Ken Alexander, 2 Juan Pablo Boyero 3 Young Lee, 4 Boris Pervan, 5 Mathieu Joerger, 5 Samer Khanafseh, 5 Markus Rippl, 6 Ilaria Martini 6 Santiago Perea 6 Victoria Kropp, 7 Christophe Macabiau 8 Norbert Suard 9 Gerhard Berz 10
1 Stanford University [Stanford]
2 FAA - Federal Aviation Administration
3 European Commission [Brussels]
4 The MITRE corporation
5 IIT - Illinois Institute of Technology
6 DLR - German Aerospace Center
7 University of the Federal Armed Forces Munich
8 TELECOM - ENAC - Laboratoire de Télécommunications
9 CNES - Centre National d'Études Spatiales [Toulouse]
10 Eurocontrol
Abstract : Advanced Receiver Autonomous Integrity Monitoring (ARAIM) is a concept that extends RAIM to other constellations beyond GPS. ARAIM will enable theintegration in the position solution of the newer GNSS core constellations that may have different properties (in particular with higher failure rates than GPS). This inclusionwill provide better levels of performance of horizontal guidance than RAIM with GPS alone. In addition, when sufficient satellites have dual frequency (L1-L5) signals,ARAIM could enable aviation safety of life operations, including approaches with vertical guidance.The European Union (EU) and the United States (US) have an agreement establishing cooperation between GPS and Europe's Galileo system. As part of this cooperativeagreement a technical subgroup was formed to investigate the benefits of Advanced Receiver Autonomous Integrity Monitoring (ARAIM) [1]. This EU-US ARAIMsubgroup has developed a reference airborne algorithm [2] and two potential ARAIM architectures [3, 4, 5]:Offline ARAIM to support horizontal and vertical navigation based on a low latency (days to months) ISM.Online ARAIM to support horizontal and vertical navigation based on an hourly ISM from the ground, which would include clock and ephemeris corrections.We will describe the current status of ARAIM as a concept. We will start by discussing the relationships between SBAS and ARAIM, and among the different architectures.This is important, as ARAIM aims to provide globally the services that SBAS already provides regionally. Then, we will present preliminary Integrity Support Messageformats adapted for a GNSS broadcast, both for the offline architecture (which are the same for horizontal and vertical), and the online architecture (which include clock andephemeris corrections). Finally, we will describe a notional ARAIM roadmap for the deployment of a global ARAIM service.
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https://hal-enac.archives-ouvertes.fr/hal-01403430
Contributor : Laurence Porte <>
Submitted on : Friday, November 25, 2016 - 10:46:19 PM
Last modification on : Thursday, July 9, 2020 - 4:56:10 PM

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  • HAL Id : hal-01403430, version 1

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Juan Blanch, Todd Walter,, Per Enge, Jason Burns,, Ken Alexander,, et al.. Progress on Working Group-C Activities on Advanced RAIM. GNSS+ 2015, 28th ION International Technical Meeting of The Satellite-Division-of-the-Institute-of-Navigation, Institute of Navigation, Sep 2015, Tampa, United States. pp 629-638. ⟨hal-01403430⟩

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