6 ms·
tl;dr using 3D maps to build a model of GPS shadows for receiver and satellite locations, and using the relative signal strength for each satellite, plus that m
by angrygoat 8y ago
tl;dr using 3D maps to build a model of GPS shadows for receiver and satellite locations, and using the relative signal strength for each satellite, plus that model, to come up with a more accurate receiver location.
Original UCSB site: https://tia.ucsb.edu/about-tia/success-stories/shadowmaps/ https://tia.ucsb.edu/about-tia/success-stories/shadowmaps/
A more detailed writeup by the original authors: http://insidegnss.com/auto/sepoct15-MADHOW_0.pdf http://insidegnss.com/auto/sepoct15-MADHOW_0.pdf