Abstract
Satellite navigation systems are categorized into one-way and two-way ranging systems. One-way systems either measure ranges or range rates using signals sent from earth to space (uplink) or from space to earth (downlink). Considering twoway ranging systems, the signals travel the distance between user and satellite or vice versa two times. Some system concepts rely on signals sent from ground stations via satellites to the user and back again.
Keywords
User Equipment Geostationary Satellite Augmentation System GNSS Receiver International Terrestrial Reference Frame
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information
© Springer-Verlag Wien 2008