Speeding up PPP ambiguity resolution using triple-frequency GPS/BeiDou/Galileo/QZSS data
نویسندگان
چکیده
منابع مشابه
Speeding Up CORS Network RTK Ambiguity Resolution
An efficient way for the real-time GNSS data processing of CORS stations is to make use of a Kalman filter implementation. Using dual-frequency un-differenced carrier phase and code data as observations, the state vector consists of troposphere zenith delays, differential ionosphere delays, receiver and satellite clock errors and phase ambiguities. Satellite positions are computed in real time ...
متن کاملTriple-frequency Ionosphere-free Phase Combinations for Ambiguity Resolution
Linear combinations of the carrier phase data which are independent of the ionospheric delays are referred to as ionosphere-free linear phase combinations. In the dual frequency case there exists only one such combination which at the same time ensures the integer estimability of the ambiguities. In the triple-frequency case there is a whole class of such linear combinations. We identify this c...
متن کاملReview of triple-frequency GNSS: ambiguity resolution, benefits and challenges
Triple-frequency GNSS has been intensively studying in the past decades, especially with the open service of China’s BeiDou system. In this review, we will address the ambiguity resolution, benefits gained from additional frequency signals compared to the dual-frequency GNSS signals, as well as analyse the challenges of triple-frequency GNSS for future development. We first review and compare t...
متن کاملImproving Ambiguity Resolution for Medium Baselines Using Combined GPS and BDS Dual/Triple-Frequency Observations
The regional constellation of the BeiDou navigation satellite system (BDS) has been providing continuous positioning, navigation and timing services since 27 December 2012, covering China and the surrounding area. Real-time kinematic (RTK) positioning with combined BDS and GPS observations is feasible. Besides, all satellites of BDS can transmit triple-frequency signals. Using the advantages of...
متن کاملPPP-RTK: Results of CORS Network-Based PPP with Integer Ambiguity Resolution
During the last decade the technique of CORS-based Network RTK has been proven capable of providing cm-level positioning accuracy for rovers receiving GNSS correction data from the CORS network. The technique relies on successful integer carrier-phase ambiguity resolution at both network and user level: at the level of the CORS network, ambiguity resolution is a prerequisite in order to determi...
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ژورنال
عنوان ژورنال: Journal of Geodesy
سال: 2020
ISSN: 0949-7714,1432-1394
DOI: 10.1007/s00190-019-01330-1