PPP augmentation with current Galileo and BeiDou constellations

N. Zang, Bofeng Li, Yunzhong Shen
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Abstract

This contribution mainly addresses PPP augmentation with current Galileo constellation. The GPS-only, GPS+Galileo, and GPS+Galileo+BDS PPP will be numerically studied with both single- and dual-frequency signals. The results show that the single-frequency GPS PPP solutions in obstructed situation can reach only meter level accuracy while GPS+Galileo and GPS+Galileo+BDS PPP solutions get 0.15m and 0.5m accuracy in horizontal and vertical direction, respectively. In dual-frequency kinematic PPP experiments, the GPS-only cannot provide centimeter solutions in obstructed case whereas the Galileo augmented PPP significantly improves the positioning accuracy up to centimeter in all three components.
通过当前的伽利略和北斗星座增强PPP
该贡献主要针对当前伽利略星座的PPP增强。GPS-only、GPS+Galileo和GPS+Galileo+BDS PPP将在单频和双频信号下进行数值研究。结果表明,在障碍物情况下,GPS+Galileo和GPS+Galileo+BDS PPP方案在水平方向和垂直方向上的精度分别为0.15m和0.5m,而单频GPS PPP方案只能达到米级精度。在双频运动PPP实验中,GPS-only在障碍物情况下无法提供厘米级解,而Galileo增强型PPP在三个组件中均能显著提高定位精度至厘米级。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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