Results 11 to 20 of about 1,004 (162)
A PPP-RTK APPROACH TO MASS-MARKET APPLICATIONS [PDF]
The 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
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PPP/PPP-RTK Message Authentication
Navigation, 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
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On the Problem of Double-Filtering in PPP-RTK. [PDF]
Sensors (Basel), 2022 To obtain single-receiver Global Navigation Satellite System (GNSS) parameter solutions, the PPP-RTK user-filter combines measurements with time-correlated corrections that are separately computed by the filter of an external provider. The consequence of exercising such double-filtering is that the Kalman filter’s standard assumption of having ...
Khodabandeh A, Teunissen PJG, Psychas D.
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Space WeatherComplex space weather, such as typhoons and solar activity, can cause heavy rainfall and ionospheric disturbances, affecting the quality of Global Navigation Satellite System (GNSS) signals.
Jiahuan Hu +6 more
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A Novel Robust High‐Precision Ionospheric Delay Modeling for PPP‐RTK Using Crowdsourced Data
Space WeatherThe performance of PPP‐RTK is critically dependent on the quality of ionospheric corrections derived from a reference network. While the proliferation of mass‐market Global Navigation Satellite System (GNSS) devices offers a promising crowdsourcing ...
Bo Wang +6 more
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PPP-RTK considering the ionosphere uncertainty with cross-validation
Satellite Navigation, 2022 With the high-precision products of satellite orbit and clock, uncalibrated phase delay, and the atmosphere delay corrections, Precise Point Positioning (PPP) based on a Real-Time Kinematic (RTK) network is possible to rapidly achieve centimeter-level ...
Pan Li +6 more
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Status of UnDifferenced and Uncombined GNSS Data Processing Activities in China [PDF]
Journal 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
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A Two-Step Regional Ionospheric Modeling Approach for PPP-RTK. [PDF]
Sensors (Basel)In the precise point positioning/real-time kinematic (PPP-RTK) technique, high-precision ionospheric delay correction information is an important prerequisite for rapid PPP convergence. The commonly used ionospheric modeling approaches in the PPP-RTKs only take the trend term of the ionospheric total electron content (TEC) variations into account. As a
Xu Z, Cai C, Pan L, Dai W, He B.
europepmc +5 more sources
Assessing the Performance of Multi-GNSS PPP-RTK in the Local Area [PDF]
Remote Sensing, 2020 The benefits of an increased number of global navigation satellite systems (GNSS) in space have been confirmed for the robustness and convergence time of standard precise point positioning (PPP) solutions, as well as improved accuracy when (most of) the ambiguities are fixed.
Hongyang Ma +4 more
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PPP-RTK with Rapid Convergence Based on SSR Corrections and Its Application in Transportation
Remote 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
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