GNSS real-time cycle slip repair algorithm and PPP test analysis

YIN Xiangfei; LIU Genyou; WANG Binbin; LYU Dong

doi:10.12265/j.gnss.2022150

Volume 47 Issue 6

Dec. 2022

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GNSS World of China > 2022 > 47(6): 25-30. > DOI: 10.12265/j.gnss.2022150

YIN Xiangfei, LIU Genyou, WANG Binbin, LYU Dong. GNSS real-time cycle slip repair algorithm and PPP test analysis[J]. GNSS World of China, 2022, 47(6): 25-30. DOI: 10.12265/j.gnss.2022150

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YIN Xiangfei, LIU Genyou, WANG Binbin, LYU Dong. GNSS real-time cycle slip repair algorithm and PPP test analysis[J]. GNSS World of China, 2022, 47(6): 25-30. DOI: 10.12265/j.gnss.2022150

Citation:

YIN Xiangfei, LIU Genyou, WANG Binbin, LYU Dong. GNSS real-time cycle slip repair algorithm and PPP test analysis[J]. GNSS World of China, 2022, 47(6): 25-30. DOI: 10.12265/j.gnss.2022150

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GNSS real-time cycle slip repair algorithm and PPP test analysis

YIN Xiangfei^{1, 2, ,},
LIU Genyou^1,,
WANG Binbin^3,,
LYU Dong^{1, 2,}

1.
State Key Laboratory of Geodesy and Earth’s Dynamics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430077, China
2.
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
3.
The 54th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang 050081, China

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Received Date: August 22, 2022
Available Online: November 15, 2022

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Abstract

Abstract

Global Navigation Satellite System (GNSS) can provide users with positioning, navigation and timing services, and is widely used in national defense security and national economic construction. Real time precise point positioning (PPP) is a high precise satellite navigation positioning method, this paper discusses the current problems of the algorithm that long reinitialization time caused by signal interruption , and proposes a cycle slip repair algorithm based on the differential pseudorange and carrier phase observations. It designs a real-time precise point positioning algorithm and introduces its implementation process. The success rate of the cycle slip repair experiment using the data of the IGS observatory is more than 99%, and shorten the reconvergence time. The cart experiment was carrier out on the roof of the building, and the real-time precise point positioning accuracy was better than 1 cm in the horizontal direction, and the accuracy was 2~3 cm in the vertical direction.
- Global Navigation Satellite System (GNSS),
- cycle slip,
- real time PPP (RT-PPP),
- positioning test,
- accuracy evaluation

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