Performance analysis of BDS-3 pseudo-range single point positioning model under environment of woods

Mingduan Zhou; Likun Cui; Xiang Xu; Xu Ji; Yansong Bai

doi:10.1117/12.2679359

16 June 2023 Performance analysis of BDS-3 pseudo-range single point positioning model under environment of woods

Mingduan Zhou, Likun Cui, Xiang Xu, Xu Ji, Yansong Bai

Proceedings Volume 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023); 1270212 (2023) https://doi.org/10.1117/12.2679359
Event: International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 2023, Changsha, China

Abstract

With the successful global networking of Beidou satellite navigation system, Beidou system has been able to provide all-weather navigation, positioning and timing services to users worldwide. In order to compare and analyze the positioning performance of BDS-3 with GPS and their combinations under observation environment of woods, based on the unified GPS/BDS-3 combined positioning spatio-temporal datum, a GPS/BDS-3 combined pseudo-range single-point positioning observation model is established, the positioning solution results are solved by the least squares method, and the SPP data processing software (LsmSPP) is developed based on Visual Studio 2022 platform using C/C++ programming language. The experimental results show that the BDS-3 system is better than the GPS system in tracking satellites under observation environment of woods, and the BDS-3 pseudo-range single-point positioning accuracy is better than 2.50m in the E direction, 2.15m in the N direction, and 5.98m in the vertical direction, which is slightly worse than the GPS/BDS-3 combined positioning accuracy in the E and N directions, but slightly better than the dual-system combined positioning accuracy in the vertical direction, and the positioning accuracy of BDS-3 system is better than that of GPS system in all directions.

Citation Download Citation

Mingduan Zhou, Likun Cui, Xiang Xu, Xu Ji, and Yansong Bai "Performance analysis of BDS-3 pseudo-range single point positioning model under environment of woods", Proc. SPIE 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 1270212 (16 June 2023); https://doi.org/10.1117/12.2679359

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KEYWORDS

Satellites

Global Positioning System

Satellite navigation systems

Receivers

Error analysis

Data modeling

Earth observing sensors

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