Results 11 to 20 of about 5,802 (204)

Efficient Methods of Utilizing Multi-SBAS Corrections in Multi-GNSS Positioning [PDF]

open access: yesSensors, 2020
Various combining methods have been proposed to utilize multi-satellite-based augmentation system (SBAS) correction to provide accurate position in the global navigation satellite system (GNSS) receiver.
Kwi Woo Park   +2 more
doaj   +4 more sources

Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]

open access: yesSensors, 2020
The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Mowen Li   +5 more
doaj   +4 more sources

Multi-GNSS Precise Point Positioning with UWB Tightly Coupled Integration [PDF]

open access: yesSensors, 2022
Global Navigation Satellite Systems (GNSSs) can provide high-precision positioning services, which can be applied to fields including navigation and positioning, autonomous driving, unmanned aerial vehicles and so on.
Zhenchuan Huang   +3 more
doaj   +2 more sources

Constrained MLAMBDA Method for Multi-GNSS Structural Health Monitoring [PDF]

open access: yesSensors, 2019
Deformation monitoring of engineering structures using the advanced Global Navigation Satellite System (GNSS) has attracted research interest due to its high-precision, constant availability and global coverage. However, GNSS application requires precise
Haiyang Li   +4 more
doaj   +2 more sources

GNSS-IR Snow Depth Retrieval from Multi-GNSS and Multi-Frequency Data

open access: yesRemote Sensing, 2021
Global navigation satellite system interferometric reflectometry (GNSS-IR) represents an extra method to detect snow depth for climate research and water cycle managing. However, using a single frequency of GNSS-IR for snow depth retrieval is often found
Jinsheng Tu   +9 more
doaj   +3 more sources

Study on Multi-GNSS Precise Point Positioning Performance with Adverse Effects of Satellite Signals on Android Smartphone [PDF]

open access: yesSensors, 2020
The emergence of dual frequency global navigation satellite system (GNSS) chip actively promotes the progress of precise point positioning (PPP) technology in Android smartphones. However, some characteristics of GNSS signals on current smartphones still
Hongyu Zhu   +4 more
doaj   +2 more sources

Performance of Multi-GNSS Precise Point Positioning Time and Frequency Transfer with Clock Modeling

open access: yesRemote Sensing, 2019
Thanks to the international GNSS service (IGS), which has provided multi-GNSS precise products, multi-GNSS precise point positioning (PPP) time and frequency transfer has of great interest in the timing community.
Yulong Ge   +6 more
doaj   +3 more sources

An Optimal Tropospheric Tomography Method Based on the Multi-GNSS Observations

open access: yesRemote Sensing, 2018
Aside from the well-known applications (positioning, navigation and timing) brought by Global Navigation Satellite System (GNSS), reconstruction of tropospheric atmosphere distribution information using tomography technique based on the multi-GNSS ...
Qingzhi Zhao   +4 more
doaj   +3 more sources

Estimating and Analyzing Long-Term Multi-GNSS Inter-System Bias Based on Uncombined PPP [PDF]

open access: yesSensors, 2020
With the development of precise positioning with multi-GNSS, the inter-system bias (ISB) has become an issue that cannot be ignored. ISB is introduced from the differences among satellite reference clocks and different receiver hardware delay biases.
Fan Zhang   +4 more
doaj   +2 more sources

Principle and performance of multi-frequency and multi-GNSS PPP-RTK

open access: yesSatellite Navigation, 2022
PPP-RTK which takes full advantages of both Real-Time Kinematic (RTK) and Precise Point Positioning (PPP), is able to provide centimeter-level positioning accuracy with rapid integer Ambiguity Resolution (AR).
Xingxing Li   +5 more
doaj   +2 more sources

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