POSSIBLE REDUCTION OF IONOSPHERIC COMPONENTS, THE TIMING OF THE USE OF SIGNALS SBAS

Authors

  • Yu. A. Koval
  • V. Yu. Pryimak
  • A. F. Hussein

DOI:

https://doi.org/10.15588/1607-3274-2013-1-6

Keywords:

ionosphere model, synchronization of time and frequency, the algorithm is general coverage, modeling, IONEX, Klobuchar

Abstract

The article describes the ways to reduce the ionospheric error’s component of the time-frequency synchronization which is used in the algorithm of general coverage (AGC) single-frequency GPS-like signals which are emitted by geostationary satellites of SBAS. The possibilities of solving this problem by using two models to compensate for the delay of signals in the ionosphere (IONEX and Klobuchar) and the method based on the analysis of the results of measurements of signals on their envelope and phase are evaluated. The analysis of models IONEX and Klobuchar showed that application of the model Klobuchar can compensate, at least, 50 % of the mean square error of coordinate-time definitions, due to the influence of ionospheric anomalies delays. The residual influence of the ionosphere is not more than 30 % of the standard error of time specified in the model IONEX. The option of the evaluation of ionospheric corrections for joint working on the pseudorange measurements by code and phase was negative in the case of standard single-frequency GPS-receivers.

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Published

2013-06-15

How to Cite

Koval, Y. A., Pryimak, V. Y., & Hussein, A. F. (2013). POSSIBLE REDUCTION OF IONOSPHERIC COMPONENTS, THE TIMING OF THE USE OF SIGNALS SBAS. Radio Electronics, Computer Science, Control, (1). https://doi.org/10.15588/1607-3274-2013-1-6

Issue

No. 1 (2013): Radio Electronics, Computer Science, Control

Section

Radio electronics and telecommunications

License

Copyright (c) 2014 Yu. A. Koval, V. Yu. Pryimak, A. F. Hussein

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