Analyzing GNSS data in precise point positioning software
RF Leandro, MC Santos, RB Langley - GPS solutions, 2011 - Springer
This work demonstrates that precise point positioning (PPP) can be used not only for
positioning, but for a variety of other tasks, such as signal analysis. The fact that the …
positioning, but for a variety of other tasks, such as signal analysis. The fact that the …
Integer ambiguity resolution on undifferenced GPS phase measurements and its application to PPP and satellite precise orbit determination
D Laurichesse, F Mercier, JP Berthias, P Broca… - Navigation, 2009 - Wiley Online Library
Integer ambiguity fixing is routinely applied to double‐differenced GPS phase
measurements to achieve precise positioning. Double‐differencing is interesting because it …
measurements to achieve precise positioning. Double‐differencing is interesting because it …
Position estimation methods and apparatus
R Leandro - US Patent 8,587,475, 2013 - Google Patents
A method of determining the position of a GNSS receiver antenna includes steps of
acquiring input data which includes observations at the GNSS receiver antenna of signals of …
acquiring input data which includes observations at the GNSS receiver antenna of signals of …
Single-frequency integer ambiguity resolution enabled GPS precise point positioning
Abstract High-precision (centimeter-level) real-time kinematic precise point positioning (PPP-
RTK) becomes feasible when using precise corrections, as received from a regional …
RTK) becomes feasible when using precise corrections, as received from a regional …
GNSS signal processing with regional augmentation positioning
X Chen, U Vollath, K Ferguson - 2011 - Google Patents
Methods and apparatus for processing of GNSS data derived from multi-frequency code and
carrier observations are presented which make available correction data for use by a rover …
carrier observations are presented which make available correction data for use by a rover …
GAPS: The GPS analysis and positioning software-A brief overview
RF Leandro, MC Santos, RB Langley - … Meeting of the Satellite Division of …, 2007 - ion.org
Precise Point Positioning (PPP) is one of the existing techniques for determining point
coordinates using a GPS (Global Positioning System) receiver. In this technique …
coordinates using a GPS (Global Positioning System) receiver. In this technique …
GNSS signal processing to estimate orbits
H Landau, M Nitschke - US Patent 8,847,820, 2014 - Google Patents
Methods and apparatus are described for processing a set of GNSS signal data derived from
signals of GNSS satellites observed at reference station receivers, the data representing …
signals of GNSS satellites observed at reference station receivers, the data representing …
GNSS signal processing to estimate MW biases
S Seeger - US Patent 9,128,176, 2015 - Google Patents
Methods and apparatus are described for processing a set of GNSS signal data derived from
code observations and carrier-phase observations at multiple receivers of GNSS signals of …
code observations and carrier-phase observations at multiple receivers of GNSS signals of …
GNSS signal processing with ionospheric bridging for reconvergence
R Leandro, U Vollath, NC Talbot - US Patent 9,651,677, 2017 - Google Patents
Methods and apparatus provide for positioning of a rover antenna from GNSS data derived
from multi-frequency signals and correction data derived from a network of reference …
from multi-frequency signals and correction data derived from a network of reference …
Comparison of convergence time and positioning accuracy among BDS, GPS and BDS/GPS precise point positioning with ambiguity resolution
X Liu, W Jiang, Z Li, H Chen, W Zhao - Advances in space research, 2019 - Elsevier
Precise point positioning (PPP) usually takes about 30 min to obtain centimetre-level
accuracy, which greatly limits its application. To address the drawbacks of convergence …
accuracy, which greatly limits its application. To address the drawbacks of convergence …