Positioning Method without Current Navigation Data

Ji Zhong Li; Rui Wang

doi:10.4028/www.scientific.net/AMM.556-562.3234

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Positioning Method without Current Navigation Data

Positioning Method without Current Navigation Data

Abstract:

Positioning errors were found through the analysis to AGPS positioning algorithm with mobile station (MS) clock error. These errors are engendered in the process of calculating the pseudo-range. Using fuzzy algorithm, the large positioning error of several hundred kilometers was eliminated. After this method, the objective function is quadratically related to the deviation of reference time. The objective function curve were fitted with three reference time values and determined the lowest point of curve to amend the reference time. This method removed residual positioning error.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

3234-3237

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.3234

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Online since:

May 2014

Authors:

Ji Zhong Li, Rui Wang*

Keywords:

Assisted Global Positioning System, Fuzzy Theory, Navigation, Polynomial Fitting

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* - Corresponding Author

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