Real-Time Triple-Frequency Cycle Slip Detection and Repair Algorithm Based on the Optimal Fixing Probability
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Date
2020-04
Authors
Wang, Yaoding
Chen, Huaming
Liu, Wenxiang
Liu, Zengjun
Wang, Feixue
ORCID
Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Společnost pro radioelektronické inženýrství
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Abstract
Global Navigation Satellite System (GNSS) is now being speedily expanded to our daily life, but the positioning precision still can hardly meet the demands of many applications, such as approaching landing system on airports. Due to the development of GNSS, triple-frequency signals are now available which can contribute to positioning precision. Positioning precision cannot be improved by triple-frequency carrier phases until cycle slips are detected and repaired. Traditional cycle slip detection and repair algorithms choose detection combinations with long wavelength, weak ionospheric delay and small combination noise separately. However, these three conditions cannot be satisfied simultaneously. In this paper, these three conditions are not considered separately. On the contrary, the eventual fixing probability of cycle slip is set as the optimal goal to determine the three detection combinations. The combined ionospheric delay and noise in cycles can be regard as bias and variance respectively. The proposed algorithm has been tested on observations with simulated and real cycle slips. The results show that the proposed algorithm can detect and repair even single cycle slips in real time effectively.
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Citation
Radioengineering. 2020 vol. 29, č. 1, s. 206-214. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2019/20_01_0206_0214.pdf
https://www.radioeng.cz/fulltexts/2019/20_01_0206_0214.pdf
Document type
Peer-reviewed
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Published version
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Language of document
en