Results 1 to 10 of about 1,413 (136)

Multi-GNSS PPP-RTK: From Large- to Small-Scale Networks [PDF]

open access: yesSensors, 2018
Precise point positioning (PPP) and its integer ambiguity resolution-enabled variant, PPP-RTK (real-time kinematic), can benefit enormously from the integration of multiple global navigation satellite systems (GNSS).
Nandakumaran Nadarajah   +4 more
doaj   +11 more sources

PPP/PPP-RTK Message Authentication [PDF]

open access: yesNavigation, 2023
This paper analyzes candidate schemes for PPP/PPP-RTK (precise point positioning/real-time kinematic) data authentication. Asymmetric schemes are proposed based on existing standards and compatible with GNSS messages.
Ignacio Fernandez-Hernandez   +3 more
doaj   +4 more sources

PPP-RTK with Rapid Convergence Based on SSR Corrections and Its Application in Transportation [PDF]

open access: yesRemote Sensing, 2023
Real-time Kinematic (RTK) positioning provides centimeter-level positioning accuracy within several seconds, but it has to rely on a nearby base station.
Xiangdong An   +2 more
doaj   +3 more sources

Low-Cost GNSS and PPP-RTK: Investigating the Capabilities of the u-blox ZED-F9P Module [PDF]

open access: yesSensors, 2023
GNSS has become ubiquitous in high-precision applications, although the cost of high-end GNSS receivers remains a major obstacle for many applications.
Umberto Robustelli   +2 more
doaj   +2 more sources

Fault-Free Protection Level Equation for CLAS PPP-RTK and Experimental Evaluations [PDF]

open access: yesSensors, 2022
Centimeter level augmentation system (CLAS) of the quasi-zenith satellite system (QZSS) is the first precise point positioning-real time kinematic (PPP-RTK) augmentation system of the global navigation satellite system (GNSS), which is currently ...
Euiho Kim   +6 more
doaj   +2 more sources

Image Mapping Accuracy Evaluation Using UAV with Standalone, Differential (RTK), and PPP GNSS Positioning Techniques in an Abandoned Mine Site [PDF]

open access: yesSensors, 2023
Global navigation satellite systems (GNSSs) provide a common positioning method that utilizes satellite signals to determine the spatial location of a receiver.
Hanjin Kim   +3 more
doaj   +2 more sources

Multi-GNSS Large Areas PPP-RTK Performance During Ionosphere Anomaly Periods [PDF]

open access: yesSensors
Precise Point Positioning with real-time kinematic (PPP-RTK) technology, which relies on Global Navigation Satellite Systems (GNSS), encounters difficulties in achieving high-precision and rapid convergence during ionospheric active conditions such as ...
Zhu Wang   +4 more
doaj   +2 more sources

Towards an Accurate Real-Time Digital Elevation Model Using Various GNSS Techniques [PDF]

open access: yesSensors
The objective of our research is to produce a digital elevation model (DEM) in a real-time domain. For this purpose, GNSS measurements are obtained from a kinematic trajectory in a clear location in New Aswan City, Egypt.
Mohamed Abdelazeem   +3 more
doaj   +2 more sources

A PPP-RTK APPROACH TO MASS-MARKET APPLICATIONS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
PPP-RTK has been widely investigated to take the advantages of both real-time kinematic (RTK) and precise point positioning (PPP) techniques. Prior to PPP-RTK, the conventional RTK based on the use of a single base station, on the one hand, has been ...
Y. Gao, Y. Zhang, Z. Lyu
doaj   +1 more source

Status of UnDifferenced and Uncombined GNSS Data Processing Activities in China [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
With the continued development of multiple Global Navigation Satellite Systems (GNSS) and the emergence of various frequencies, UnDifferenced and UnCombined (UDUC) data processing has become an increasingly attractive option.
Pengyu HOU, Delu CHE, Teng LIU, Jiuping ZHA, Yunbin YUAN, Baocheng ZHANG
doaj   +1 more source

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