Research on Integrity Evaluation Method for PPP-RTK Service End
CHINA SATELLITE NAVIGATION CONFERENCE PROCEEDINGS, CSNC 2022, VOL II(2022)
摘要
The integrity requirement should be satisfied especially when PPP-RTK is used in safe of life applications. From the procedure of PPP-RTK, the accuracy and integrity of the service end products play an extremely important role in positioning. So, it is of great significance to analyze the accuracy and integrity of these products. This paper presents an integrity evaluation method for PPP-RTK service end products, meanwhile the definitions and calculation methods of integrity parameters are given as well. Without loss of generality, taking the precise orbit and clock as an example, the integrity parameters for the orbit and clock are obtained through the analysis of the Signal in Space Range Error (SISRE). The integrity evaluation method for PPP-RTK service end products proposed in this paper can be regarded as a general method, which can be used to evaluate different kinds of correction products.
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关键词
PPP-RTK, Integrity, Overbounding, SISRE
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