Contributions to High Accuracy Snapshot GNSS Positioning (2022)
Abstract / truncated to 115 words
Snapshot positioning is the technique to determine the position of a Global Navigation Satellite System (GNSS) receiver using only a very brief interval of the received satellite signal. In recent years, this technique has received a great amount of attention thanks to its unique advantages in power efficiency, Time To First Fix (TTFF) and economic costs for deployment. However, the state of the art algorithms regarding snapshot positioning were based on code measurements only, which unavoidably limited the positioning accuracy to meter level. The present PhD research aims at achieving high-accuracy (centimetre level) snapshot positioning by properly utilizing carrier phase measurements. Two technical challenges should be tackled before such level of accuracy can be achieved, ... toggle 7 keywordssnapshot positioning – RTK – multi hypothesis acquisition – coarse time filter – integer ambiguity resolution – measurement generation – transmission time
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