Increasing accuracy and availability of the GLONASS system for civil users by introducing the high orbital space complex

Article

Published: 20.07.2023

Published in issue: #7(139)/2023

DOI: 10.18698/2308-6033-2023-7-2294

Category: Aviation and Rocket-Space Engineering | Chapter: Aircraft Dynamics, Ballistics, Motion Control

The paper considers options for constructing the GLONASS system high-orbit space complex in the high elliptical orbits, as the regional addition to the GLONASS orbital constellation. To assess navigation situation on the Earth’s surface, it proposes to consider the virtual consumer space for the navigation information. Civil consumers are considered as the navigation information consumers. An algorithm for calculating the values of spatial geometric factor and accessibility is presented. For various options in ballistic construction of the orbital constellation regional addition, numerical values were obtained of global geometric factor, global navigation accessibility and average geometric factor with two restrictions on the elevation angle: more than 5 degrees and more than 25 degrees. A proposal was formulated on the issue of the GLONASS system orbital constellation further development making it possible to improve positioning accuracy for the navigation information consumers.

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