Abstract
A new precise point positioning (PPP) service has been provided by BeiDou global navigation satellite system (BDS-3). The correction parameters, including precision orbit correction, clock offset correction and differential code bias, are transmitted by PPP-B2b signal from BDS-3 geosynchronous orbit satellites. This research conducts a comprehensive evaluation of the accuracy, availability, matching characteristics of PPP-B2b corrections and real-time PPP performance for BDS-3. It is found that PPP-B2b corrections can significantly improve the discontinuous orbit and clock errors caused by broadcast ephemeris updating. The PPP-B2b real-time orbit has slightly better accuracy than the broadcast orbit, and its RMS errors are 6.8 cm, 33.4 cm and 36.6 cm in the radial, along-track and cross-track components for the medium earth orbit (MEO) satellites. However, the accuracy of real-time orbit of the inclined geostationary orbit satellites is about two times poor than that of the MEO satellites. The PPP-B2b real-time clock offset achieves an accuracy of 0.2 ns, improved by about 85.1% compared to the broadcast clock offset. Restricted by the regional tracking network, the accuracies of the PPP-B2b real-time orbit and clock offset are slightly poor than those of the Centre National d’Études Spatiales RT products. The availability of PPP-B2b correction in China is better than 80%, and at least 7 visible satellites with available PPP-B2b corrections can be guaranteed. It should be noted that there exists a temporary mismatching state between the orbit and clock offset corrections each time when the Issue of Data for Correction parameter changes. Test results show that an accuracy of 11 cm in horizontal and 17 cm in vertical after convergence can be achieved by BDS-3 dual-frequency real-time kinematic PPP, and the B1C/B2a ionospheric-free (IF) combination shows better positioning accuracy than the B1I/B3I IF combination. The real-time kinematic PPP employing B1C/B2a IF combination can converge to 27.8 cm in horizontal and 36 cm in vertical in 30 min, while the B1I/B3I combination achieves 42.8 cm and 53 cm in the two components at the same positioning time, respectively.
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References
Ashby N (2003) Relativity in the global positioning system. Living Rev Relat 6:1. https://doi.org/10.12942/lrr-2003-1
Booth JS, Snow RN (2009) An evaluation of OmniStar XP and PPP as a replacement for DGPS in airborne applications. In: Proceedings of ION GNSS 2009, Institute of Navigation, Savannah, Georgia, USA, September 22–25, pp 1188–1194
CSNO (2019a) Development of the BeiDou navigation satellite system (Version 4.0). http://www.beidou.gov.cn/xt/gfxz/201912/P020191227430565455478.pdf
CSNO (2019b) The application service architecture of BeiDou navigation satellite system (version 1.0). http://www.beidou.gov.cn/xt/gfxz/201912/P020191227333024390305.pdf
CSNO (2020) BeiDou navigation satellite system signal in space interface control document precise point positioning service signal PPP-B2b (Version 1.0). http://www.beidou.gov.cn/xt/gfxz/202008/P020200803362062482940.pdf
Dai L, Chen Y, Lie A, Zeitzew M, Zhang Y (2016) StarFire SF3: worldwide centimeter-accurate real time GNSS positioning. In: Proceedings of ION GNSS 2016, Institute of Navigation, Portland, Oregon, USA, September 12–16, pp 3295–3320
Elsobeiey M, Al-Harbi S (2016) Performance of real-time precise point positioning using IGS real-time service. GPS Solut 20(3):565–571. https://doi.org/10.1007/s10291-015-0467-z
Guo F, Zhang X, Wang J (2015) Timing group delay and differential code bias corrections for BeiDou positioning. J Geod 89(5):427–445. https://doi.org/10.1007/s00190-015-0788-2
Hadas T, Bosy J (2015) IGS RTS precise orbits and clocks verification and quality degradation over time. GPS Solut 19(1):93–105. https://doi.org/10.1007/s10291-014-0369-5
Kazmierski K, Sośnica K, Hadas T (2018) Quality assessment of multi-GNSS orbits and clocks for real-time precise point positioning. GPS Solut 22:11. https://doi.org/10.1007/s10291-017-0678-6
Kazmierski K, Zajdel R, Sośnica K (2020) Evolution of orbit and clock quality for real-time multi-GNSS solutions. GPS Solut 24:111. https://doi.org/10.1007/s10291-020-01026-6
Kouba J, Héroux P (2001) Precise point positioning using IGS orbit and clock products. GPS Solut 5(2):12–28. https://doi.org/10.1007/PL00012883
Leandro R, Landau H, Nitschke M, Glocker M, Kipka A (2011) RTX positioning: the next generation of cm-accurate real-time GNSS positioning. In: Proceedings of ION GNSS 2011, institute of navigation, Portland, Oregon, USA, September 20–23, pp 1460–1475
Leick A, Rapoport L, Tatarnikov D (2015) GPS satellite surveying. Wiley, Hoboken
Li J, Yang Y, He H, Guo H (2020a) Benefits of BDS-3 B1C/B1I/B2a triple-frequency signals on precise positioning and ambiguity resolution. GPS Solut 24:100. https://doi.org/10.1007/s10291-020-01016-8
Li R, Zheng S, Wang E, Chen J, Feng S, Wang D, Dai L (2020b) Advances in BeiDou navigation satellite system (BDS) and satellite navigation augmentation technologies. Satell Navig 1:12. https://doi.org/10.1186/s43020-020-00010-2
Li X, Yuan Y, Zhu Y, Huang J, Wu J, Xiong Y, Zhang X, Li X (2019) Precise orbit determination for BDS3 experimental satellites using iGMAS and MGEX tracking networks. J Geod 93:103–117. https://doi.org/10.1007/s00190-018-1144-0
Liu W, Hao J, Lu Z, Xie J, Liu J, Jiao B (2020) Evaluation and comparative analysis of BDS-3 signal-in-space range error. Acta Geodaet Cartograph Sin 49(9):1213–1221
Lu J, Guo X, Su C (2020a) Global capabilities of BeiDou navigation satellite system. Satell Navig 1:27. https://doi.org/10.1186/s43020-020-00025-9
Lu X, Chen L, Nan S, Shen N, Wang L, Jiao Z, Chen R (2020b) Decoding PPP corrections from BDS B2b signals using a software-defined receiver: an initial performance evaluation. IEEE Sensors Journal 21(6):7871–7883
Lv Y, Geng T, Zhao Q, Xie X, Zhou R (2020) Initial assessment of BDS-3 preliminary system signal-in-space range error. GPS Solut 24:16. https://doi.org/10.1007/s10291-019-0928-x
Malys S, Jensen PA (1990) Geodetic point positioning with GPS carrier beat phase data from the CASA UNO experiment. Geophys Res Lett 17(5):651–654
Montenbruck O, Steigenberger P, Hauschild A (2015) Broadcast versus precise ephemerides: a multi-GNSS perspective. GPS Solut 19(2):321–333. https://doi.org/10.1007/s10291-014-0390-8
Montenbruck O, Steigenberger P, Hauschild A (2018) Multi-GNSS signal-in-space range error assessment: methodology and results. Adv Space Res 61(12):3020–3038. https://doi.org/10.1016/j.asr.2018.03.041
Nie Z, Liu F, Gao Y (2020a) Real-time precise point positioning with a low-cost dual-frequency GNSS device. GPS Solut 24:9. https://doi.org/10.1007/s10291-019-0922-3
Nie Z, Wang B, Zhen J, He K (2020b) An offshore real-time precise point positioning technique based on a single set of BeiDou short-message communication devices. J Geod 94:78. https://doi.org/10.1007/s00190-020-01411-6
Nie Z, Yang H, Zhou P, Gao Y, Wang Z (2019) Quality assessment of CNES real-time ionospheric products. GPS Solut 23:11. https://doi.org/10.1007/s10291-018-0802-2
Petit G, Luzum B (2010) IERS conventions (2010), IERS technical note 36. Verlag des Bundesamts für Kartographie und Geodäsie, Frankfurt am Main, Germany
RTCM-SC (2016) RTCM Standard 10403.3 differential GNSS (Global Navigation Satellite Systems) services-version 3. RTCM Special Committee No.104, Arlington, TX, USA
Takasu T (2013) RTKLIB ver. 2.4.2 Manual. http://www.rtklib.com/prog/manual_2.4.2.pdf
Van Bree R, Tiberius C (2012) Real-time single-frequency precise point positioning: accuracy assessment. GPS Solut 16(2):259–266. https://doi.org/10.1007/s10291-011-0228-6
Weber G, Mervart L, Lukes Z, Rocken C, Dousa J (2007) Real-time clock and orbit corrections for improved point positioning via NTRIP. In: Proceedings of ION GNSS 2007, institute of navigation, Fort Worth, Texas, USA, September 25–28, pp 1992–1998
Wu JT, Wu SC, Hajj GA, Bertiger WI, Lichten SM (1993) Effects of antenna orientation on GPS carrier phase. Manuscr Geod 18(2):91–98
Wu Y, Liu X, Liu W, Ren J, Lou Y, Dai X, Fang X (2017) Long-term behavior and statistical characterization of BeiDou signal-in-space errors. GPS Solut 21(4):1907–1922. https://doi.org/10.1007/s10291-017-0663-0
Yang Y, Gao W, Guo S, Mao Y, Yang Y (2019) Introduction to BeiDou-3 navigation satellite system. Navigation 66(1):7–18. https://doi.org/10.1002/navi.291
Yang Y, Mao Y, Sun B (2020) Basic performance and future developments of BeiDou global navigation satellite system. Satell Navig 1(1):1–8. https://doi.org/10.1186/s43020-019-0006-0
Yang Y, Xu Y, Li J, Yang C (2018) Progress and performance evaluation of BeiDou global navigation satellite system: data analysis based on BDS-3 demonstration system. Sci China Earth Sci 61(5):614–624. https://doi.org/10.1007/s11430-017-9186-9
Yao Y, He Y, Yi W, Song W, Cao C, Chen M (2017) Method for evaluating real-time GNSS satellite clock offset products. GPS Solut 21(10):1417–1425. https://doi.org/10.1007/s10291-017-0619-4
Zhang X, Li X, Li P (2017) Review of GNSS PPP and its application. Acta Geodaet Cartograph Sin 46(10):1399–1407
Zumberge JF, Heflin MB, Jefferson DC, Watkins MM, Webb FH (1997) Precise point positioning for the efficient and robust analysis of GPS data from large networks. J Geophy Res 102(B3):5005–5017
Acknowledgements
This work was supported by the National Natural Science Foundation of China (Grant No. 41931076) and the National Key Technologies R&D Program of China (Grant Nos. 2016YFB0501700 and 2020YFB0505801).
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Xu, Y., Yang, Y. & Li, J. Performance evaluation of BDS-3 PPP-B2b precise point positioning service. GPS Solut 25, 142 (2021). https://doi.org/10.1007/s10291-021-01175-2
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DOI: https://doi.org/10.1007/s10291-021-01175-2