Sequential RAIM : Theory and application to Civil Aviation Needs

Abdelrazak Younes, Bacem Bakhache, Igor Nikiforov, Abdelahad Benhallam

Abstract:	GPS by itself is unsatisfactory as a sole means of navigation for civil aviation users even with a con-ventional Receiver Autonomous Integrity Monitor-ing (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 detec-tion and exclusion function. New sequential algo-rithms can make up the insufficiency of currently used snapshot methods.
Published in:	Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998) September 15 - 18, 1998 Nashville, TN
Pages:	1993 - 2002
Cite this article:	Younes, Abdelrazak, Bakhache, Bacem, Nikiforov, Igor, Benhallam, Abdelahad, "Sequential RAIM : Theory and application to Civil Aviation Needs," Proceedings of the 11th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1998), Nashville, TN, September 1998, pp. 1993-2002.
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