Koichi Saito Takatoshi Sugiyama GPS Positioning Errors Improvements by The Pseudo Range Correction with An Actually Measured Parameter in Shinjuku Area. 171-174 2022 ICTC https://doi.org/10.1109/ICTC55196.2022.9952684 conf/ictc/2022 db/conf/ictc/ictc2022.html#SaitoS22