1

Performance analysis of atmospheric constrained uncombined multi-GNSS PPP

The general objective of this study is to analyze the performance of Precise Point Positioning (PPP) convergence and initialization while stochastically constraining the atmosphere. One specific objective of this study is to review the performance of …

Do we need ambiguity resolution in multi-GNSS PPP for accuracy or integrity?

With the advent of quad-constellation, triple-frequency and external atmospheric constraints being provided to the PPP user, the novelty and focus of this paper is in the quest to answer the question: Do we really need ambiguity resolution in …

Integer satellite clock combination for Precise Point Positioning with ambiguity resolution

While satellite clock combinations are routinely utilized within the IGS, they currently disregard the fact that some ACs provide integer clocks. Users have been expected to choose either a robust combined solution or select individual AC solutions …

Integrity Monitoring for Precise Point Positioning

The Precise Point Positioning (PPP) GPS data processing technique has developed over the past 15 years to become a standard method for growing categories of positioning and navigation applications. This includes but is not limited to crustal …

Relative Positioning Using RTK Measurement Filtering and PPP

Typical RTK performance is limited to baselines of