Study on the performance of BDS-3 multi-frequency pseudo-range single point positioning

doi:10.13474/j.cnki.11-2246.2020.0015

Bulletin of Surveying and Mapping ›› 2020, Vol. 0 ›› Issue (1): 71-75.doi: 10.13474/j.cnki.11-2246.2020.0015

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Study on the performance of BDS-3 multi-frequency pseudo-range single point positioning

ZHANG Qiankun¹, LIU Xiaosheng¹, HE Qimin²

1. School of Architectural and Surveying Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China;
2. School of Environmental Science and Spatial Informatics, CUMT, Xuzhou 221116, China

Received:2019-04-25 Revised:2019-10-15 Published:2020-02-10

Abstract

Abstract: Currently, the study on BDS-3 pseudo-range single point positioning (SPP) is insufficiency and there are no comparative analyses about the results of multi-frequency SPP in BDS-3. In this paper, the performance of multi-frequency SPP in BDS-3 are analyzed by using the measured data. In addition, the same frequency SPP experiment of the combination with BDS-2, Galileo are carried out in this paper to analyze the results of the same frequency combination of multi-frequency SPP. The experimental results show that the BDS-3 is unsuitable to positioning independently due to its limited positioning ability at present. The same frequency SPP of the combination BDS-3/Galileo can compensate the poor positioning accuracy caused by the inadequate number of satellites (NSAT) and incomplete data in BDS-3 new frequency SPP, and improve the SPP accuracy of Galileo. The positioning accuracy of the frequency B3I in BDS-2/3 and the frequency B2b in BDS/Galileo are similar to that of the frequency L1 in GPS.

Key words: BDS-3 system, single point positioning, same frequency combination, the number of visible satellite, dilution of precision

CLC Number:

P228

ZHANG Qiankun, LIU Xiaosheng, HE Qimin. Study on the performance of BDS-3 multi-frequency pseudo-range single point positioning[J]. Bulletin of Surveying and Mapping, 2020, 0(1): 71-75.

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Study on the performance of BDS-3 multi-frequency pseudo-range single point positioning

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