RAIM Availability of GPS/BDS/Galileo Multi-Frequency Combination
Abstract
In critical safety domains like civil aviation, Receiver Autonomous Integrity Monitoring (RAIM) supports integrity services from oceanic routes to non-precision approaches (NPA). The expansion of GNSS (Global Navigation Satellite System) civil frequencies improves these services. To evaluate RAIM availability enhancements from Multi-Frequency Multi-System (MFMS) integration, observation data and broadcast ephemeris from 18 global Multi-GNSS Experiment (MGEX) stations were analyzed for GPS/BDS/Galileo (Global Positioning System/BeiDou Navigation Satellite System/Galileo Navigation Satellite System) combinations. The results indicate that MFMS integration significantly improves positioning and integrity performance compared to single-system operation.
About the Authors
Zhaoyan Li
National Time Service Center, Chinese Academy of Sciences; University of Chinese Academy of Sciences
Russian Federation
Russian Federation
Li Zhaoyan
Xi’an
Beijing
Lihong Fan
National Time Service Center, Chinese Academy of Sciences; University of Chinese Academy of Sciences
China
China
Fan Lihong
Xi’an
Beijing
Decai Zou
National Time Service Center, Chinese Academy of Sciences; University of Chinese Academy of Sciences
China
China
Zou Decai
Xi’an
Beijing
Rui Tu
College of Geomatics of Shandong University of Science and Technology
China
China
Zhang Rui
Qingdao
Rui Zhang
National Time Service Center, Chinese Academy of Sciences; University of Chinese Academy of Sciences
China
China
Zhang Rui
Junqiang Han
National Time Service Center, Chinese Academy of Sciences
Russian Federation
Russian Federation
Siyao Wang
National Time Service Center, Chinese Academy of Sciences
Russian Federation
Russian Federation
Wang Siyao
Rongrong Dong
National Time Service Center, Chinese Academy of Sciences
Russian Federation
Russian Federation
Dong Rongrong
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Review
For citations:
Li Zh., Fan L., Zou D., Tu R., Zhang R., Han J., Wang S., Dong R. RAIM Availability of GPS/BDS/Galileo Multi-Frequency Combination. Gyroscopy and Navigation. 2025;33(2):72-90. (In Russ.)
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