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Manuscript deadline
20 March 2021

Cover image - Geo-spatial Information Science

Geo-spatial Information Science

Special Issue Editor(s)

Lei Wang, State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University
[email protected]

Tyler Reid, Xona Space Systems
[email protected]

Ahmed EI-Mowafy, the GNSS satellite positioning and Navigation group, Curtin University
[email protected]

Ruizhi Chen, State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing,Wuhan University
[email protected]

Baoguo Yu, State Key Laboratory of Satellite Navigation System and Equipment Technology
[email protected]

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GNSS Augmentation Era: New Opportunities from Low Earth Orbiters

The satellite navigation technique has come into the multi-GNSS era, which greatly improved the positioning performance. However, there are still a number of challenges expected to be solved with the navigation augmentation systems, such as the integrity issues, the high precision positioning issues and the vulnerability issues. Recently, the GNSS augmentation technique has made substantial progress, including the ground-based augmentation, and the GEO/LEO satellite-based augmentation. Particularly, the LEO navigation augmentation (LEO-NA) technique is considered as a complimentary method and an extension to the current GNSS. LEO-NA system has been demonstrated beneficial for improving the GNSS availability, continuity, integrity, precision and robustness etc. This special issue focuses on the emerging LEO-NA related techniques as well as other new GNSS augmentation technologies. The scope of this issue includes (but is not limited to) the following issues:

  1. GEO/MEO/LEO combined orbit determination and related issues
  2. LEO time synchronization/clock determination and related issues
  3. LEO based inter-satellite-link data processing related techniques
  4. LEO-NA based precise positioning related techniques
  5. LEO-NA signal design and broadcast information design related issues
  6. Satellite based integrity monitoring related issues
  7. LEO navigation signal acquisition and tracking related techniques
  8. LEO constellation design and mission planning related issues
  9. LEO-NA system design and simulation
  10. Other emerging GNSS augmentation techniques

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