TitleAutonomous algorithms for monitoring the integrity of the navigation field in relation to GNSS GLONASS
Organizations1JSC «Academician M. F. Reshetnev» Information Satellite Systems»
Zheleznogorsk, Krasnoyarsk region, Russian Federation
2Reshetnev Siberian State University of Science and Technology
Krasnoyarsk, Russian Federation
AbstractThe purpose of this article is to analyze the existing algorithms of autonomous control of the integrity of the navigation field of the GLONASS system. The analysis is based on domestic materials and official foreign applications. At the beginning of the article, the concept of the integrity of the global navigation satellite system is given in the form in which it is used in International Civil Aviation Organization and among the developers of such systems. The differences between the common types of control of the integrity of the navigation field are shown. The modeling of individual operational characteristics, including the average geometric factor, visibility, and accessibility for different angles of the site, is carried out. The main solutions to the problem of reduced tactical and technical characteristics of the system are compared. The existing prerequisites for the improvement of the GLONASS system and for the use of small navigation spacecraft to eliminate the gap between GLONASS and competing global navigation satellite systems are listed. As a result, a variant of improving the circumstances for the application of these algorithms in unfavorable conditions in relation to the GLONASS system is proposed. It is shown that the low-orbit addition to the GLONASS system can significantly improve the tactical and technical characteristics of the complex as a whole and provide higher reliability of the system as a whole due to the operational maintenance of the integrity of the navigation field.
KeywordsGLONASS, autonomous integrity monitoring, small spacecraft, probability of failure, positioning accuracy
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For citing this articleLeonidov N.V. Autonomous algorithms for monitoring the integrity of the navigation field in relation to GNSS GLONASS // Spacecrafts & Technologies, 2021, vol. 5, no. 1, pp. 44-50. doi: 10.26732/j.st.2021.1.05
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