Bridging GPS outages using the optimal estimate to eliminate the position and velocity errors

Yichun Gao; Jiancheng Fang; Li Cai

doi:10.1117/12.775073

10 November 2007 Bridging GPS outages using the optimal estimate to eliminate the position and velocity errors

Yichun Gao, Jiancheng Fang, Li Cai

Proceedings Volume 6795, Second International Conference on Space Information Technology; 679562 (2007) https://doi.org/10.1117/12.775073
Event: Second International Conference on Spatial Information Technology, 2007, Wuhan, China

Abstract

In this paper, a method is provided to bridge the outages of GPS with little computation load and easy application. In order to solve the bridging problem, KF method is improved while GPS is in outage. And the bridging method is provided based on the optimal smoothing. The simulation is given based on the fix-interval smoothing, and the results show that the errors of position and velocity is eliminated after the method being taken. Finally, the conclusion is discussed through an analysis between the simulation result and experienced application result.

Citation Download Citation

Yichun Gao, Jiancheng Fang, and Li Cai "Bridging GPS outages using the optimal estimate to eliminate the position and velocity errors", Proc. SPIE 6795, Second International Conference on Space Information Technology, 679562 (10 November 2007); https://doi.org/10.1117/12.775073

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