An analytical study of PPP-RTK corrections: precision, correlation and user-impact
PPP-RTK extends the PPP concept by providing single-receiver users, next to orbits and clocks, also information about the satellite phase and code biases, thus enabling single-receiver ambiguity resolution. It is the goal of the present contribution to provide an analytical study of the quality of t...
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| Veröffentlicht in: | Journal of geodesy 2015-11, Vol.89 (11), p.1109-1132 |
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| creator | Khodabandeh, A. Teunissen, P. J. G. |
| description | PPP-RTK extends the PPP concept by providing single-receiver users, next to orbits and clocks, also information about the satellite phase and code biases, thus enabling single-receiver ambiguity resolution. It is the goal of the present contribution to provide an analytical study of the quality of the PPP-RTK corrections as well as of their impact on the user ambiguity resolution performance. We consider the geometry-free and the geometry-based network derived corrections, as well as the impact of network ambiguity resolution on these corrections. Next to the insight that is provided by the analytical solutions, the closed form expressions of the variance matrices also demonstrate how the corrections depend on network parameters such as number of epochs, number of stations, number of satellites, and number of frequencies. As a result we are able to describe in a qualitative sense how the user ambiguity resolution performance is driven by the data from the different network scenarios. |
| doi_str_mv | 10.1007/s00190-015-0838-9 |
| format | Article |
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| subjects | Correlation analysis Data analysis Earth and Environmental Science Earth Sciences Geodetics Geophysics/Geodesy Global positioning systems GPS Navigation systems Original Article Precision Satellite systems User behavior |
| title | An analytical study of PPP-RTK corrections: precision, correlation and user-impact |
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