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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 …
John Aggrey, Garrett Seepersad, Sunil Bisnath
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Garrett Seepersad, Robert Ford
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Assessing the accuracy of PPP
The Precise Point Positioning (PPP) GNSS data processing technique has developed over the past 15 years to become a standard method for …
Garrett Seepersad, Sunil Bisnath
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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 …
Garrett Seepersad, John Aggrey, Sunil Bisnath
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Examining the interoperability of PPP-AR products
Integer ambiguity resolution of carrier-phase measurements from a single receiver can be implemented by applying additional satellite …
Garrett Seepersad, Sunil Bisnath
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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 …
Garrett Seepersad, Simon Banville, Paul Collins, Sunil Bisnath, François Lahaye
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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 …
Garrett Seepersad, Sunil Bisnath
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Reduction of Precise Point Positioning Convergence Period
Precise Point Positioning (PPP) has become a popular technique to process GNSS receiver data by applying precise satellite orbit and …
Garrett Seepersad, Sunil Bisnath
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Relative Positioning Using RTK Measurement Filtering and PPP
Typical RTK performance is limited to baselines of <10-15 km, as longer distances cause increased measurement errors, which cannot …
Garrett Seepersad, John Aggrey, Maninder Gill, Sunil Bisnath, Don Kim, H. Tang
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On the use of Network RTK to Replace Static Relative Positioning for Geodetic GPS Surveys
It has become a trend to replace the traditional single baseline RTK approach by using network RTK services, whilst there is still lack …
Amir Saeidi, Sunil Bisnath, Jian-Guo Wang, Garrett Seepersad