Abstract
For decades, Global Navigation Satellite Systems (GNSS) have been dominant in the Positioning, Navigation and Timing (PNT) market. Improvements have been made to the design and implementation throughout the years. Recently, however, growing demand has emerged for alternative PNT solutions. These solutions should overcome several shortcomings in the well-established GNSS, including their high energy consumption and poor resistance to spoofing and jamming. These limitations may be solved by leveraging satellites in Low Earth Orbit (LEO). Moreover, the 2-way communication of LEO satellites enables opportunities for different applications that did not seem possible before. In this work, we investigate the feasibility of localization using GNSS-like ranging signals transmitted from LEO satellites. We analyze if the least-squares algorithm used in GNSS is able to converge upon a location estimate. In addition, we investigate the differences in the pseudoranging calculations between GNSS and LEO satellites. We conclude that by utilizing a location estimate for the initial position of the least-squares positioning algorithm, a receiver location can be determined using 4 LEO satellites.
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Van Uytsel, W., Janssen, T., Halili, R., Weyn, M. (2023). Exploring Positioning Through Pseudoranges Using Low Earth Orbit Satellites. In: Barolli, L. (eds) Advances on P2P, Parallel, Grid, Cloud and Internet Computing. 3PGCIC 2022. Lecture Notes in Networks and Systems, vol 571. Springer, Cham. https://doi.org/10.1007/978-3-031-19945-5_28
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DOI: https://doi.org/10.1007/978-3-031-19945-5_28
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