|Both GPS and the envisioned European satellite navigation system Galileo are intended to transmit signals on more than two navigational frequencies. This increase in the number of signals aims, among other things, at enhancing the possibilities for the most precise form of satellite positioning, relative carrier phase positioning by means of ambiguity resolution. In this contribution the performance of triple-frequency ambiguity resolution will be analysed for the modernized GPS. Emphasis is put on long baselines, i.e. baselines for which the atmospheric disturbances can not be neglected. The analysis will concentrate in particular on the probability distribution of he ’fixed’ double dif-ference ranges and on its dependence on ambiguity resolution. We consider the quality and impact of both complete and partial ambiguity resolution. This performance analysis is based on the LAMBDA ambiguity success rate, being the probability of correct integer least-squares estimation. It is shown that fast partial ambiguity resolution is feasi-ble, whereas a complete ambiguity resolution is not. It is also shown that fast, triple-frequency, dual-ambiguity resolution - as opposed to the single-ambiguity resolution vari-ant - will significantly improve the double difference range solution. The important conclusion is therefore reached, that odernized GPS with an appropriate dual-ambiguity resolution in place, has the potential of quickly delivering improved ranges over long baselines.
Proceedings of the 2000 National Technical Meeting of The Institute of Navigation
January 26 - 28, 2000
Pacific Hotel Disneyland
|605 - 612
|Cite this article:
|de Jonge, P.J., Teunissen, P.J.G., Jonkman, N.F., Joosten, P., "The Distributional Dependence Of The Range On Triple Frequency GPS Ambiguity Resolution," Proceedings of the 2000 National Technical Meeting of The Institute of Navigation, Anaheim, CA, January 2000, pp. 605-612.
ION Members/Non-Members: 1 Download Credit