1. Yang, Y., Gao, W., Guo, S., et al.: Introduction to BeiDou-3 navigation satellite system. Navigation 66(1), 7–18 (2019)
2. Song, W., Zhao, X., Lou, Y., et al.: BDS-3 PPP-B2b service performance assessment. Geomat. Inform. Sci. Wuhan University 48(3), 408–415 (2021)
3. He, X., Liu, C., Chen, Y., et al.: Analysis of B2b signal of BDS III satellite. Appl. Electron. Techn. 46(3), 1–4 (2020)
4. Nie, Z., Xu, X., Wang, Z., et al.: Initial assessment of BDS PPP-B2b service: precision of orbit and clock corrections, and PPP performance. Remote Sens. 13(11), 2050 (2021)
5. Tang, B., Li, J., Jia, X., et al.: Analysis and application of precise point positioning service for BDS-3. Naviga. Position. Timing 8(03), 103–108 (2021)