Publications

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Conventional Precise Point Positioning (PPP) has always required a relatively long initialization period (few tens of minutes at least) …

Over the past two decades, the PPP user model has been constantly evolving. Each iteration, adding improvements in terms of accuracy …

The general objective of this study is to analyze the performance of Precise Point Positioning (PPP) convergence and initialization …

Integer ambiguity resolution of carrier-phase measurements from a single receiver can be implemented by applying additional satellite …

Precise Point Positioning (PPP) data processing technique has been developed over the past 15 years to become a standard method for a …

Ambiguity resolution in precise point positioning (hereafter, PPP-AR) requires that hardware delays within the GPS measurements be …

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis posuere tellus ac convallis placerat. Proin tincidunt magna sed ex sollicitudin condimentum.

The Precise Point Positioning (PPP) GPS data processing technique has developed over the past 15 years to become a standard method for …

Pseudorange multipath and pseudorange noise are the largest remaining unmanaged error sources in PPP. It is proposed that by reducing …

Software-determined position uncertainty is main indicator of solution accuracy in PPP, as a reference solution may not available. …

Over the past decade, network RTK technology has become popular as an efficient method of precise, real-time positioning. Its …

Typical RTK performance is limited to baselines of <10-15 km, as longer distances cause increased measurement errors, which cannot …

Precise Point Positioning (PPP) has become a popular technique to process GNSS receiver data by applying precise satellite orbit and …

The Precise Point Positioning (PPP) GPS data processing technique has developed over the past 15 years to become a standard method for …

While satellite clock combinations are routinely utilized within the IGS, they currently disregard the fact that some ACs provide …

Integer ambiguity resolution of carrier-phase measurements from a single receiver can be implemented by applying additional satellite …

PPP. It’s one of the many acronyms (or initialisms, if you prefer) associated with the uses of global navigation satellite systems. It …

With the advent of quad-constellation, triple-frequency and external atmospheric constraints being provided to the PPP user, the …

The Precise Point Positioning (PPP) GNSS data processing technique has developed over the past 15 years to become a standard method for …

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis posuere tellus ac convallis placerat. Proin tincidunt magna sed ex sollicitudin condimentum.

Pseudorange multipath and pseudorange noise are the largest remaining unmanaged error sources in PPP. It is proposed that by reducing …

It has become a trend to replace the traditional single baseline RTK approach by using network RTK services, whilst there is still lack …

The requirement to use newer methods of precise positioning is an ever growing need. Network Real-Time Kinematic (RTK) GPS (GNSS) in …

Network RTK (Real-Time Kinematic) has become a standard method of precise, e.g., few centimetre- level, satellite-based positioning for …

In Ontario, network RTK services were established and are operated by private companies with little governmental regulation. MTO …

This study assessed the vertical accuracy of measurement using different types of survey techniques namely LiDAR, Aerial Photogrammetry …