Estimation and analysis of user IPP delays using bilinear model for satellite-based augmented navigation systems
Estimation and analysis of user IPP delays using bilinear model for satellite-based augmented navigation systems
- Neue Suche nach: D. Venkata Ratnam
- Neue Suche nach: D. Venkata Ratnam
Several countries are involved in developing satellite-based augmentation systems (SBAS) for improving the positional accuracy of GPS. India is also developing one such system, popularly known as GPS-aided geo-augmented navigation (GAGAN), to cater to civil aviation applications. The ionospheric effect is the major source of error in GAGAN. An appropriate efficient and accurate ionospheric time model for GAGAN is necessary. To develop such a model, data from 17 GPS stations of the GAGAN network spread across India are used in modelling. The prominent model, known as bi-linear interpolation technique, is investigated for user IPP (UIPP) delay estimation. User IPP delays for quiet, moderate and disturbed days are estimated. It is evident that measured mean UIPP delays closely follow estimated mean UIPP delays.
Dokumentinformationen
Estimation and analysis of user IPP delays using bilinear model for satellite-based augmented navigation systems
2013
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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