期刊
JOURNAL OF SPATIAL SCIENCE
卷 65, 期 1, 页码 61-78出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14498596.2019.1658652
关键词
Galileo E6; precise point positioning (PPP); ambiguity resolution; convergence time; multi-frequency and multi-constellation
资金
- Australia Awards Scholarship [AAS1503837]
The authors investigate the benefits for the precise point positioning (PPP) ambiguity resolution technique of using the GPS L1, L2 and L5; Galileo E1, E5a, E5b and E6; and BeiDou B1, B2 and B3 measurements. Data from 17 reference stations over a period of 31 consecutive days in 2018 were used. It was found that the four-frequency Galileo combination of E1+E5a+E5b+E6 provides the lowest geometric and ambiguity variance. In a kinematic test using triple- and four-frequency GNSS measurements, the solution convergence time can be shortened by an average of 5 minutes as compared to the triple-frequency GPS-only PPP case.
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