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Implementation of a High-Sensitivity Global Navigation Satellite System Receiver on a System-on-Chip Field-Programmable Gate Array Platform. [PDF]
Sensors (Basel)Majoral M +2 more
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Proceedings of the 36th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2023), 2023
A framework for tracking the ephemerides of low Earth orbit (LEO) satellites is presented. This framework considers a known receiver that tracks the position and velocity states of LEO satellites using pseudorange or Doppler measurements extracted ...
S. Hayek, Joe Saroufim, Z. M. Kassas
semanticscholar +1 more source
A framework for tracking the ephemerides of low Earth orbit (LEO) satellites is presented. This framework considers a known receiver that tracks the position and velocity states of LEO satellites using pseudorange or Doppler measurements extracted ...
S. Hayek, Joe Saroufim, Z. M. Kassas
semanticscholar +1 more source
Satellite Ephemeris Broadcasting Architecture for 5G Integrated LEO Satellite Internet
International Conference on Speech Technology and Human-Computer Dialogue, 2022This paper proposes a satellite ephemeris broadcasting architecture for 5G integrated low earth orbit (LEO) Satellite Internet based on two-line element (TLE) ephemeris. By periodically broadcasting the TLE ephemeris, which can be used to assist the user
Jianwei Li +4 more
semanticscholar +1 more source
Eclipse-Conscious Transfer to Lunar Gateway Using Ephemeris-Driven Terminal Coast Arcs
Journal of Guidance Control and Dynamics, 2021A novel methodology is proposed for designing low-thrust trajectories to quasi-periodic, near-rectilinear Halo orbits that leverages ephemeris-driven, “invariant manifold analogs” as long-duration ...
Sandeep K. Singh +3 more
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Ephemeris Closed-Loop Tracking of LEO Satellites with Pseudorange and Doppler Measurements
Proceedings of the 34th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2021), 2021A framework for refining the ephemerides of low Earth orbit (LEO) space vehicles (SVs) is presented. This framework is based on a known receiver that tracks the LEO SVs using pseudorange and Doppler measurements extracted from the LEO SVs’ signals.
Nadim Khairallah, Z. Kassas
semanticscholar +1 more source
Planetary and lunar ephemeris EPM2021 and its significance for Solar system research
Proceedings of the International Astronomical Union, 2021We present an updated public version of EPM (Ephemerides of Planets and the Moon). Since the last public version, EPM2017, many improvements were made in both the observational database and the mathematical model.
E. Pitjeva +3 more
semanticscholar +1 more source
Icarus, 1980
Abstract The limited period of observational data and the long orbital period have limited the accuracy of the Pluto ephemerides. This condition will continue for some time. Ephemerides of Pluto are compared with the observational data.
K.F. Pulkkiner +4 more
openaire +2 more sources
Abstract The limited period of observational data and the long orbital period have limited the accuracy of the Pluto ephemerides. This condition will continue for some time. Ephemerides of Pluto are compared with the observational data.
K.F. Pulkkiner +4 more
openaire +2 more sources
IEEE Transactions on Aerospace and Electronic Systems
A comprehensive study is performed for low Earth orbit (LEO) space vehicles (SVs) tracking by a receiver opportunistically extracting navigation observables from their downlink radio frequency signals.
Nadim Khairallah, Z. M. Kassas
semanticscholar +1 more source
A comprehensive study is performed for low Earth orbit (LEO) space vehicles (SVs) tracking by a receiver opportunistically extracting navigation observables from their downlink radio frequency signals.
Nadim Khairallah, Z. M. Kassas
semanticscholar +1 more source