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Global Navigation Satellite Systems for Earth Observing

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Remote Sensors".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 2548

Special Issue Editors


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Guest Editor
GFZ German Research Centre for Geosciences, Telegrafenberg, 14473 Potsdam, Germany
Interests: space geodetic techniques; global navigation satellite systems; atmospheric delay modeling; precise orbit determination
Special Issues, Collections and Topics in MDPI journals
College of Surveying and Geo-Informatics, Tongji University, Shanghai, China
Interests: GNSS precise orbit and clock determination; LEO enhanced GNSS; next-generation GNSS
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Civil, Environmental and Geomatic Engineering, ETH Zurich, 8093 Zurich, Switzerland
Interests: geodetic data analysis and parameter estimation; GNSS; very long baseline interferometry; machine learning; determination of atmospheric parameters; geodetic reference frames
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. Space Geodetic Techniques, GFZ German Research Centre for Geosciences, Potsdam, Germany
2. Institute of Geodesy and Geoinformation Science, Technische Universität Berlin, Berlin, Germany
Interests: GNSS positioning and navigation; precise orbit determination; multi-sensor fusion; GNSS remote sensing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the last few decades, Global Navigation Satellite Systems (GNSS) have significantly evolved from a navigation tool to an indispensable part of the Earth observing system. The first GNSS, Global Positioning System (GPS), was initially designed for positioning and navigation with meter-level service, but has soon started playing critical roles in high-precision geodesy, geophysics, and remote sensing, with the precision at the centimeter to the millimeter level. The recent developments of multi-GNSS constellations provide a better opportunity to improve the GNSS service performance. To name a few, (1) a global constellation of more than 100 satellites is currently available, including GPS, GLONASS, Galileo, BDS, and QZSS; (2) the satellite signals have also evolved from dual-frequency to up to five frequencies, and (3) the newly launched Galileo, BDS, and GPS BLOCK III satellites are equipped with much more stable H-maser clocks, which enhances the data analysis precision and robustness. On the other hand, these developments also introduce new challenges in GNSS data processing and result interpretation.

Contributes are invited to present original and innovative studies to improve GNSS analysis and applications, including algorithms, data processing strategies, error modeling, as well as various applications in Earth observing system. We encourage both original articles and review papers, including but not limited to:

  • High-precision GNSS processing algorithms and strategies;
  • Integrated processing of multi-GNSS and LEO platforms;
  • Multi-sensor fusion of GNSS and inertial, Lidar, and visual sensors, etc.;
  • New methods, developments, and applications of GNSS tropospheric and ionospheric sounding;
  • Earthquake, tsunami, and volcano monitoring and early warning using real-time GNSS.

We look forward to receiving your contributions.

Dr. Jungang Wang
Dr. Haibo Ge
Prof. Dr. Benedikt Soja
Prof. Dr. Maorong Ge
Guest Editors

Manuscript Submission Information

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Keywords

  • multi-GNSS
  • Low Earth Orbiter
  • multi-sensor fusion
  • precise GNSS analysis
  • GNSS atmospheric sensing
  • GNSS reflectometry
  • geohazard monitoring and early warning

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Published Papers (1 paper)

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Research

14 pages, 2694 KiB  
Article
High Latitude Ionospheric Gradient Observation Results from a Multi-Scale Network
by Nadezda Sokolova, Aiden Morrison and Knut Stanley Jacobsen
Sensors 2023, 23(4), 2062; https://doi.org/10.3390/s23042062 - 11 Feb 2023
Cited by 2 | Viewed by 1624
Abstract
In this article, a cluster comprised of eight Continuously Operating Reference Station (CORS) receivers surrounding five supplemental test stations located on much shorter baselines is used to form a composite multi-scale network for the purpose of isolating, extracting, and analyzing ionospheric spatial gradient [...] Read more.
In this article, a cluster comprised of eight Continuously Operating Reference Station (CORS) receivers surrounding five supplemental test stations located on much shorter baselines is used to form a composite multi-scale network for the purpose of isolating, extracting, and analyzing ionospheric spatial gradient phenomena. The purpose of this investigation is to characterize the levels of spatial decorrelation between the stations in the cluster during the periods with increased ionospheric activity. The location of the selected receiver cluster is at the auroral zone at night-time (cluster centered at about 69.5° N, 19° E) known to frequently have increased ionospheric activity and observe smaller size of high-density irregularities. As typical CORS networks are relatively sparse, there is a possibility that spatially small-scale ionospheric delay gradients might not be observed by the network/closest receiver cluster but might affect the user, resulting in residual errors affecting system accuracy and integrity. The article presents high level statistical observations based on several hundred manually validated ionospheric spatial gradient events along with low level analysis of specific events with notable temporal/spatial characteristics. Full article
(This article belongs to the Special Issue Global Navigation Satellite Systems for Earth Observing)
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