Predictive approach integrity

Details Predictive approach integrity Predictive approach integrity

1997-04-17

1999-06-08

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

701214, H04B 7185, G01S 502

Patent

active

059107880

ABSTRACT:
A method and apparatus are provided for predicting the position error bound in a satellite positioning system at a future time. The future position of each satellite at the future time is calculated from the trajectory data obtained from each satellite. The predicted position for each satellite and the estimated position of the satellite positioning system receiver is then used to generate a line of sight matrix at the future time from which a position error bound is determined.

REFERENCES:
patent: 5202829 (1993-04-01), Geier
patent: 5343209 (1994-08-01), Sennott et al.
patent: 5504492 (1996-04-01), Class et al.
patent: 5523763 (1996-06-01), Loomis
patent: 5600329 (1997-02-01), Brenner
Stayton et al co-pending application, serial #08/504,977, filed Jul. 20, 1995.

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