Ionospheric Total Electron Content Estimation Using GNSS Carrier Phase Observations Based on Zero-Difference Integer Ambiguity: Methodology and Assessment - Ren, Xiaodong; Chen, Jun; Li, Xingxing; Zhang, Xiaohong (IEEE transactions on geoscience and remote sensing, 2021)
Keywords: Accuracy; Algorithms; Ambiguity; Delays; Experiments; Global navigation satellite system; Integer ambiguity; Integers; Ionosphere; Mathematical models; Methods; precise point positioning (PPP); Receivers; Reliability; Satellite broadcasting; Satellite observation; Satellites; Total Electron Content; total electron content (TEC)