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Paired overbounding for nonideal LAAS and WAAS error distributions

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3 Author(s)
Jason Rife ; Dept. of Aeronaut. & Astronaut., Stanford Univ., CA ; Sam Pullen Per Enge ; Boris Pervan

A significant challenge in fielding space-based and ground-based augmentation systems (SBAS and GBAS) for GPS involves the validation of navigation integrity, which requires the establishment of error bounds for aircraft position. This paper introduces a new approach to validating position-domain integrity by using two-sided envelopes for each ranging source. This paired-bounding approach allows for error distributions of arbitrary form and thus improves on earlier integrity validation approaches restricted to zero-mean, symmetric, and unimodal distributions

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:42 ,  Issue: 4 )