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EKF-Based Doppler Positioning in Single LEO Satellite System
- Authors
- Lee, JeongHang; Kang, Jeongwan; Kim, Sunwoo
- Issue Date
- Jan-2025
- Publisher
- IEEE Computer Society
- Keywords
- Doppler positioning; extended Kalman filter; LEO-Pnt; single satellite
- Citation
- International Conference on ICT Convergence, pp 1294 - 1297
- Pages
- 4
- Indexed
- SCOPUS
- Journal Title
- International Conference on ICT Convergence
- Start Page
- 1294
- End Page
- 1297
- ISSN
- 2162-1233
2162-1241
- Abstract
- In this paper, we propose an extended Kalman filter(EKF)-based Doppler positioning in a single low-earth orbit (LEO) satellite system. Due to the high mobility of LEO satellites, the usability of velocity-based measurements is essential. The proposed algorithm estimates the receiver's position using EKF based on Doppler measurements obtained from the position and velocity information of a single satellite. Subsequently, the positioning performance according to the sampling rate and carrier-to-noise ratio is verified through simulation. The results of EKF position estimation utilizing Doppler measurements in a single LEO satellite scenario are verified through simulations.
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Related Researcher
- Kim, Sunwoo
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)