Abstract A new strategy is proposed to monitor GPS/GLONASS time offsets for common navigation users using a combined GPS/GLONASS Precise Point Positioning (PPP) method based on the orbit and clock products of different time scales. The results of the inter-system GPS/GLONASS time offset, the user time offset and the inter-system device delay difference were obtained using the proposed method. The properties of these results were analyzed in terms of the stability, precision and variation characteristics. Moreover, the practicality of the time offset results in an actual navigation application was tested and demonstrated. The results indicate that the monitoring and prediction of the user time offset, but not the inter-system time offset, has important values for navigation users.
GPS/GLONASS time offset monitoring based on combined Precise Point Positioning (PPP) approach
Advances in Space Research ; 55 , 12 ; 2950-2960
2015-03-04
11 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
GPS/GLONASS time offset monitoring based on combined Precise Point Positioning (PPP) approach
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