Advantages of Autonomous Integrity Monitored Extrapolation for Precision Approach

J. W. Diesel, J. R. Huddle

Abstract:	Availability of CAT I accuracy using WAAS is only 99.9$/x which provides primary navigation but not sole means. Moreover, autonomous integrity monitoring is required to provide #ety in the presenee of local integrity threats not detectable by WAAS. Using R.AIM, this integrity availability is less than 90’%0.By adding autonomous integrity monitored extrapolation (AIME), accuracy and integrity availability are predicted to increase to 99.999’Yo.The ability of AIME to coast for several minutes when all signals are absent increases continuity to 99.999°A also. Therefore, AIME can be used for sole means CAT I. Since it improves WAAS accuracy, AIME ean be used for CAT 11also.
Published in:	Proceedings of the 10th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1997) September 16 - 19, 1997 Kansas City, MO
Pages:	519 - 528
Cite this article:	Diesel, J. W., Huddle, J. R., "Advantages of Autonomous Integrity Monitored Extrapolation for Precision Approach," Proceedings of the 10th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1997), Kansas City, MO, September 1997, pp. 519-528.
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