Nowadays, along with the trend of developing highly autonomous satellites, there is a strong motivation to improve real-time Precise Orbit Determination (POD), in particular for Low Earth Orbit (LEO) satellites. The development of Global Navigation Satellite System (GNSS) sensors allows to obtain low-noise measurements and provide a satellite with autonomous continuous tracking onboard. Following the deactivation of Selective Availability, a representative real-time positioning accuracy of 10 m is presently achieved by means of Global Positioning System (GPS) receivers on LEO satellites. The introduction of dynamical filtering methods has opened a new way to improve this accuracy by making use of measurements such as pseudorange or carrier-phase. This paper presents a Kalman filtering approach using pseudorange and pseudorange-rate measurements instead of pseudorange and carrier-phase ones, with advantages in terms of storage and processing requirements. An error of around 0.2 m and 1e-3 m/s for position and velocity is obtained, which is in line if not better w.r.t. other approaches.

Precise Orbit Determination on LEO Satellite using Pseudorange and Pseudorange-Rate Measurements / Tantucci, A; Wrona, A; Pietrabissa, A. - (2023), pp. 341-347. (Intervento presentato al convegno The 31st Mediterranean Conference on Control and Automation tenutosi a Limassol; Cyprus) [10.1109/MED59994.2023.10185798].

Precise Orbit Determination on LEO Satellite using Pseudorange and Pseudorange-Rate Measurements

Tantucci, A
Conceptualization
;
Wrona, A
Writing – Review & Editing
;
Pietrabissa, A
Supervision
2023

Abstract

Nowadays, along with the trend of developing highly autonomous satellites, there is a strong motivation to improve real-time Precise Orbit Determination (POD), in particular for Low Earth Orbit (LEO) satellites. The development of Global Navigation Satellite System (GNSS) sensors allows to obtain low-noise measurements and provide a satellite with autonomous continuous tracking onboard. Following the deactivation of Selective Availability, a representative real-time positioning accuracy of 10 m is presently achieved by means of Global Positioning System (GPS) receivers on LEO satellites. The introduction of dynamical filtering methods has opened a new way to improve this accuracy by making use of measurements such as pseudorange or carrier-phase. This paper presents a Kalman filtering approach using pseudorange and pseudorange-rate measurements instead of pseudorange and carrier-phase ones, with advantages in terms of storage and processing requirements. An error of around 0.2 m and 1e-3 m/s for position and velocity is obtained, which is in line if not better w.r.t. other approaches.
2023
The 31st Mediterranean Conference on Control and Automation
precise orbit determination; LEO satellites; extended kalman filter; GNSS Measurements
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Precise Orbit Determination on LEO Satellite using Pseudorange and Pseudorange-Rate Measurements / Tantucci, A; Wrona, A; Pietrabissa, A. - (2023), pp. 341-347. (Intervento presentato al convegno The 31st Mediterranean Conference on Control and Automation tenutosi a Limassol; Cyprus) [10.1109/MED59994.2023.10185798].
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Note: DOI: 10.1109/MED59994.2023.10185798
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1687898
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