Precise Point Positioning Using Triple GNSS Constellations in Various Modes [PDF]
Sensors, 2016 This paper introduces a new dual-frequency precise point positioning (PPP) model, which combines the observations from three different global navigation satellite system (GNSS) constellations, namely GPS, Galileo, and BeiDou.
Akram Afifi, Ahmed El-Rabbany
doaj +2 more sources
Precise Point Positioning Using World’s First Dual-Frequency GPS/GALILEO Smartphone [PDF]
Sensors, 2019 The release of the world’s first dual-frequency GPS/Galileo smartphone, Xiaomi mi 8, in 2018 provides an opportunity for high-precision positioning using ultra low-cost sensors. In this research, the GNSS precise point positioning (PPP) accuracy of
Abdelsatar Elmezayen, Ahmed El-Rabbany
doaj +2 more sources
GPS precise point positioning for UAV photogrammetry [PDF]
The Photogrammetric Record, 2018 The use of Global Positioning System (GPS) precise point positioning (PPP) on a fixed‐wing unmanned aerial vehicle (UAV) is demonstrated for photogrammetric mapping at accuracies of centimetres in planimetry and about a decimetre in height, from flights ...
Grant, D. +7 more
core +4 more sources
Multi-GNSS Combined Precise Point Positioning Using Additional Observations with Opposite Weight for Real-Time Quality Control [PDF]
Remote Sensing, 2019 The emergence of multiple global navigation satellite systems (multi-GNSS), including global positioning system (GPS), global navigation satellite system (GLONASS), Beidou navigation satellite system (BDS), and Galileo, brings not only great ...
Wenju Fu +6 more
doaj +2 more sources
GPS/GLONASS Combined Precise Point Positioning with Receiver Clock Modeling [PDF]
Sensors, 2015 Research has demonstrated that receiver clock modeling can reduce the correlation coefficients among the parameters of receiver clock bias, station height and zenith tropospheric delay.
Fuhong Wang, Xinghan Chen, Fei Guo
doaj +2 more sources
Assessment of Different Real Time Precise Point Positioning Correction Over the Sea Area [PDF]
, 2019 In a global scale, the accuracy of Real Time Precise Point Positioning (RT-PPP) method in Global Navigation Satellite System (GNSS) point positioning is within cm to dm level.
Irwan Gumilar +4 more
openalex +4 more sources
Assessment of GPS/Galileo/BDS Precise Point Positioning with Ambiguity Resolution Using Products from Different Analysis Centers [PDF]
Remote Sensing, 2021 Suffering from hardware phase biases originating from satellites and the receiver, precise point positioning (PPP) requires a long convergence time to reach centimeter coordinate accuracy, which is a major drawback of this technique and limits its ...
Chao Chen +4 more
openalex +2 more sources
Weighting of Multi-GNSS Observations in Real-Time Precise Point Positioning [PDF]
Remote Sensing, 2018 The combination of Global Navigation Satellite Systems (GNSS) may improve the accuracy and precision of estimated coordinates, as well as the convergence time of Precise Point Positioning (PPP) solutions.
Kamil Kazmierski +2 more
doaj +2 more sources
Real-Time Single Frequency Precise Point Positioning Using SBAS Corrections [PDF]
Sensors, 2016 Real-time single frequency precise point positioning (PPP) is a promising technique for high-precision navigation with sub-meter or even centimeter-level accuracy because of its convenience and low cost. The navigation performance of single frequency PPP
Liang Li +5 more
doaj +2 more sources
Optimization Model for Planning Precision Grasps with Multi-Fingered Hands [PDF]
arXiv, 2019 Precision grasps with multi-fingered hands are important for precise placement and in-hand manipulation tasks. Searching precision grasps on the object represented by point cloud, is challenging due to the complex object shape, high-dimensionality, collision and undesired properties of the sensing and positioning.
Fan, Yongxiang +2 more
arxiv +3 more sources