Sequential RAIM : Theory and Application to Civil Aviation Needs

Abdelrazak Younes 1 Bacem Bakhache 2 Igor Nikiforov 2 Abdelahad Benhallam 1
1 ENAC - Ecole Nationale de l'Aviation Civile
2 UTT - Université de Technologie de Troyes
Abstract : GPS by itself is unsatisfactory as a sole means of navigation for civil aviation users even with a conventional Receiver Autonomous Integrity Monitoring (RAIM). The principal limitation of RAIM is its availability. Indeed, even in differential mode (DGPS) or with the Selective Availability turned off, there are periods when the five satellites with sufficiently good geometry required for fault detect-ion are not available. These periods can last, several minutes and this is even worse with the fault detection and exclusion function. New sequential algorithms can make up the insufficiency of currently used snapshot methods.
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Abdelrazak Younes, Bacem Bakhache, Igor Nikiforov, Abdelahad Benhallam. Sequential RAIM : Theory and Application to Civil Aviation Needs. ION GPS 1998, 11th International Technical Meeting of the Satellite Division of The Institute of Navigation, Sep 1998, Nashville, United States. pp 1993 - 2002. ⟨hal-01021676⟩

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