Estimated results analysis and application of the precise point positioning based high-accuracy ionosphere delay

Shi-tai Wang; Jun-huan Peng

doi:10.1117/12.2220609

9 December 2015 Estimated results analysis and application of the precise point positioning based high-accuracy ionosphere delay

Shi-tai Wang, Jun-huan Peng

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Proceedings Volume 9808, International Conference on Intelligent Earth Observing and Applications 2015; 98082I (2015) https://doi.org/10.1117/12.2220609
Event: International Conference on Intelligent Earth Observing and Applications, 2015, Guilin, China

Abstract

The characterization of ionosphere delay estimated with precise point positioning is analyzed in this paper. The estimation, interpolation and application of the ionosphere delay are studied based on the processing of 24-h data from 5 observation stations. The results show that the estimated ionosphere delay is affected by the hardware delay bias from receiver so that there is a difference between the estimated and interpolated results. The results also show that the RMSs (root mean squares) are bigger, while the STDs (standard deviations) are better than 0.11 m. When the satellite difference is used, the hardware delay bias can be canceled. The interpolated satellite-differenced ionosphere delay is better than 0.11 m. Although there is a difference between the between the estimated and interpolated ionosphere delay results，it cannot affect its application in single-frequency positioning and the positioning accuracy can reach cm level.

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Shi-tai Wang and Jun-huan Peng "Estimated results analysis and application of the precise point positioning based high-accuracy ionosphere delay", Proc. SPIE 9808, International Conference on Intelligent Earth Observing and Applications 2015, 98082I (9 December 2015); https://doi.org/10.1117/12.2220609

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KEYWORDS

Satellites

Receivers

Clocks

Ions

Satellite navigation systems

Statistical analysis

Data processing

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