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《第十一届中国卫星导航年会论文集——S03 导航信号与信号处理》2020年
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Preliminary analysis of BDS-3 and Galileo compatible interoperable positioning performance

Wenjun Zhao  Wei Wang  
【摘要】:In this paper, using the BDS-3 and Galileo observation data collected by compatible interoperable receivers, the signal-to-noiseratio(SNR), multipath, pseudorange and phase noise, single point positioning performance of B1C, B2a, E1, E5a and BDS-3 SBAS positioning accuracy are compared and analyzed. The results show that the SNR of B1C/B2a are 2-3 dB-Hz higher than E1/E5a. The average of pseudorange multipath of 4 frequenciesare between from 0.4 m to 0.8 m. The pseudorange noises of 4 frequencies are all better than 8 cm and phase noises are better than 0.006 cycle. The interoperable positioning accuracy is improved by 11.5%~59.8% compared to BDS-3 single system. Compared with B1C + B2a dual-frequency positioning, the accuracy of BDS-3 dual-frequency SBAS positioning is improved by 5.6% ~ 15.2%.

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