LEO satellite clock modeling and its benefits for real-time LEO …
Jan 1, 2025 · Here, a LEO satellite clock model is proposed to enhance the Precise Point positioning (PPP) timing and time synchronization during the LEO orbit/clock determination.
Low Earth Orbit Visualization | LeoLabs
A visualization of satellites, debris, and other objects tracked by LeoLabs in low earth orbit
Modelling and prediction of atmospheric drag coefficients in LEO ...
Nov 5, 2024 · This study focuses on modeling and prediction of atmospheric drag coefficient in LEO satellite orbit determination and prediction. Orbit determination was conducted to determine atmospheric drag coefficients for eight LEO satellites with …
Multiple-Satellite Cooperative Information Communication and …
6 days ago · In addition to information communication function, LEO satellites have wide applications in the field of location sensing [].Compared to global location based on medium earth orbit (MEO) and geosynchronous (GEO) satellites located at orbit altitudes of approximately 20,000 km and 35,786 km, respectively, LEO satellite location is suitable for real-time applications and has advantages of ...
Precise orbit determination of LEO satellites: a systematic review ...
This review provides an understanding of the various POD techniques, dataset utilized, validation techniques, and accuracy level of LEO satellites, which have interest to developers of small satellites, new researchers and practitioners.
Modeling and Analysis of Inter-Satellite Link in LEO Satellite Networks ...
Low-Earth orbit (LEO) satellite networks have become an emerging and promising technology to provide wide-range network access. The inter-satellite links (ISLs) extend the service scope of the network and reduce its dependence on terrestrial infrastructures.
Time-Varying Topology Model for Dynamic Routing in LEO Satellite ...
In this paper, we propose a novel time-varying topology model for the LEO satellite network, to improve the adaptability of the satellite routing. Firstly, the weighted time-space evolution graph based on the link attributes is established to construct the time-varying topology model of LEO satellite networks.
Improving Precise Orbit Determination of LEO Satellites Using …
Jan 5, 2023 · We develop an advanced thermal reradiation model for satellite solar panels. A set of improved non-gravitational force models is performed for LEO POD, and we discuss the benefits of the enhanced dynamic models on orbit quality …
LEO Satellite Clock Modeling and Its Benefits for LEO Kinematic …
Jun 16, 2023 · High-accuracy Low Earth Orbit (LEO) satellite clock and orbital products are preconditions to realize LEO augmentation for high-accuracy GNSS-based positioning on the ground. There is a high correlation between the orbit and clock parameters in the kinematic Precise Orbit Determination (POD) process.
A Novel GBSM for LEO Satellite-Ground Communication Large …
Wireless channels significantly impact the performance of communication systems, especially in terms of large-scale fading characteristics. In this paper, we propose a novel geometry-based stochastic channel model (GBSM) for LEO satellite-ground large-scale channels.