Results 11 to 20 of about 17,055 (266)

A new receiver clock model to enhance BDS-3 real-time PPP time transfer with the PPP-B2b service [PDF]

open access: diamondSatellite Navigation, 2023
A new Precise Point Positioning (PPP) service, called the PPP-B2b service, has been implemented in the BeiDou-3 Navigation Satellite System (BDS-3), which brings new opportunities for time transfer.
Yulong Ge   +6 more
doaj   +2 more sources

GPS Satellite Orbit Prediction at User End for Real-Time PPP System. [PDF]

open access: yesSensors (Basel), 2017
This paper proposed the high-precision satellite orbit prediction process at the user end for the real-time precise point positioning (PPP) system. Firstly, the structure of a new real-time PPP system will be briefly introduced in the paper. Then, the generation of satellite initial parameters (IP) at the sever end will be discussed, which includes the
Yang H, Gao Y.
europepmc   +5 more sources

Accuracy comparison of post-processed PPP and real-time absolute positioning techniques [PDF]

open access: goldGeomatics, Natural Hazards & Risk, 2020
The main motivation of this study is to assess the accuracy performance of the real-time global GNSS PPP positioning service, i.e. Trimble CenterPoint RTX, and online PPP post-processing service, i.e. CSRS-PPP, in Çorum Province of Turkey.
Reha Metin Alkan   +3 more
doaj   +2 more sources

INTEGRITY ANALYSIS OF REAL-TIME PPP TECHNIQUE WITH IGS-RTS SERVICE FOR MARITIME NAVIGATION [PDF]

open access: diamondThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Open sea and inland waterways are the most widely used mode for transporting goods worldwide. It is the International Maritime Organization (IMO) that defines the requirements for position fixing equipment for a worldwide radio-navigation system, in ...
M. El-Diasty, M. El-Diasty
doaj   +2 more sources

LEO-Enhanced Multi-GNSS Real-Time PPP Time Transfer

open access: yesRemote Sensing
GNSS Precise Point Positioning (PPP) technology has been applied to the time transfer for a long time, enabling time synchronization between two arbitrary stations on a global scale.
Wei Xie   +5 more
doaj   +2 more sources

Assessing BeiDou-3 PPP-B2b with Signal-in-Space Ranging Error (SISRE) and Its Performances in Positioning and ZTD Estimation [PDF]

open access: yesSensors
The PPP-B2b service of BeiDou-3 enables real-time precise point positioning (RT-PPP) through correction information contained in B2b signals, circumventing the reliance on ground-based network infrastructures.
Guangxing Wang   +6 more
doaj   +2 more sources

Real-time Kinematic Positioning of INS Tightly Aided Multi-GNSS Ionospheric Constrained PPP [PDF]

open access: goldScientific Reports, 2016
AbstractReal-time Precise Point Positioning (PPP) technique is being widely applied for providing precise positioning services with the significant improvement on satellite precise products accuracy. With the rapid development of the multi-constellation Global Navigation Satellite Systems (multi-GNSS), currently, about 80 navigation satellites are ...
Zhouzheng Gao   +4 more
openalex   +6 more sources

GNSS Real-Time ZTD/PWV Retrieval Based on PPP with Broadcast Ephemerides [PDF]

open access: goldAtmosphere
GNSS precise point positioning (PPP) plays an important role in retrieving atmospheric water vapor values and performing numerical weather prediction. However, traditional PPP relies on real-time orbits and clocks, which require continuous internet or ...
Zongqiu Xu   +5 more
doaj   +2 more sources

Zero-Reconvergence PPP for Real-Time Low-Earth Satellite Orbit Determination in Case of Data Interruption [PDF]

open access: goldIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
With the fast development of low earth orbit (LEO) enhanced global navigation satellite system (LeGNSS), there is huge demand in LEO real-time precise orbit determination.
Haibo Ge, Guanlong Meng, Bofeng Li
doaj   +2 more sources

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