Integrity monitoring of satellite-based positioning for railway trackside augmentation network

Haoxiang Liu

doi:10.1117/12.2645852

23 November 2022 Integrity monitoring of satellite-based positioning for railway trackside augmentation network

Haoxiang Liu

Proceedings Volume 12302, Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022); 1230252 (2022) https://doi.org/10.1117/12.2645852
Event: Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022), 2022, Guangzhou, China

Abstract

Building a trackside augmentation network can provide more accurate GNSS positioning information for rail transit. In order to ensure the high safety requirements of rail transit, it is necessary to ensure the integrity of the augmented data provided by the trackside augmentation network. In this paper, a joint integrity monitoring algorithm is proposed, which simultaneously detects faulty satellites at the reference station level and at the reference station network level, and uses the long-term observation data of the reference station to calculate a predetermined threshold to obtain a healthy satellite and reference base station combination.

Citation Download Citation

Haoxiang Liu "Integrity monitoring of satellite-based positioning for railway trackside augmentation network", Proc. SPIE 12302, Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022), 1230252 (23 November 2022); https://doi.org/10.1117/12.2645852

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