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Author:

Wang, Shengli (Wang, Shengli.) | Ge, Yulong (Ge, Yulong.) | Meng, Xiaolin (Meng, Xiaolin.) | Shen, Pengli (Shen, Pengli.) | Wang, Kaidi (Wang, Kaidi.) | Ke, Fuyang (Ke, Fuyang.)

Indexed by:

EI Scopus SCIE

Abstract:

BDS-3 is now providing global positioning, navigation and timing (PNT) services. BDS-3 has new B1C, B2a and B2b signals compared to BDS-2. This work presents two single-frequency (SF) PPP time transfer models using BDS-3, B1C and B1I observations, and studies the performance of BDS-3 SF PPP time transfer by using 30-day data of 10 globally distributed stations from a multi-GNSS experiment (MGEX). We found that the ionospheric constraint SF PPP (SF1) time transfer model outperforms the method of SF PPP with the receiver clock offset at first epoch as the datum (SF2). Importantly, the statistical uncertainty of SF1 was less than 1 nanosecond, with (0.75, 0.71) ns in the average scheme for all time-links, using both B1I and B1C observations, respectively. The frequency stability of SF1 with B1C observations was improved from 1.73% to 13.04% in the short-term and from 0.88% to 17.49% in the long term, compared to that of B1I for all time-links. Hence, SF1 with B1C observations was recommended for SF PPP time transfer.

Keyword:

BDS-3 B1I and B1C time transfer single-frequency

Author Community:

  • [ 1 ] [Wang, Shengli]Shandong Univ Sci & Technol, Coll Ocean Sci & Engn, Qingdao 266000, Peoples R China
  • [ 2 ] [Wang, Kaidi]Shandong Univ Sci & Technol, Coll Ocean Sci & Engn, Qingdao 266000, Peoples R China
  • [ 3 ] [Ge, Yulong]Nanjing Normal Univ, Sch Marine Sci & Engn, Nanjing 210023, Peoples R China
  • [ 4 ] [Meng, Xiaolin]Beijing Univ Technol, Fac Architecture Civil & Transportat Engn, 100 Pinleyuan, Beijing 100124, Peoples R China
  • [ 5 ] [Shen, Pengli]Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Peoples R China
  • [ 6 ] [Ke, Fuyang]Nanjing Univ Informat Sci & Technol, Sch Remote Sensing & Geomat Engn, Nanjing 210044, Peoples R China

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Source :

REMOTE SENSING

Year: 2022

Issue: 5

Volume: 14

5 . 0

JCR@2022

5 . 0 0 0

JCR@2022

ESI Discipline: GEOSCIENCES;

ESI HC Threshold:38

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

Affiliated Colleges:

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