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Improved short-term stability for real-time GNSS satellite clock estimation with clock model
As a basic service of global navigation satellite system (GNSS), the timing technique tends to be processed based on precise point positioning (PPP)...
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A computationally efficient prior quality control approach for multi-GNSS real-time satellite clock estimation
The quality control of multi-global navigation satellite system (multi-GNSS) real-time satellite clock estimation is time-consuming since mutual...
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LSTM-based clock synchronization for satellite systems using inter-satellite ranging measurements
The inter-satellite link (ISL) has been received increasing attention, as it is a potential way to achieve autonomous clock synchronization for...
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Improving undifferenced precise satellite clock estimation with BDS-3 quad-frequency B1I/B3I/B1C/B2a observations for precise point positioning
Estimates of satellite clock offsets typically employ dual-frequency undifferenced (UD) ionospheric-free (IF) observations from global network. The...
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Realizing rapid re-convergence in multi-GNSS real-time satellite clock offset estimation with dual-thread integer ambiguity resolution
Real-time satellite clock offsets are key in realizing real-time precise point positioning (PPP). Typically, tens of minutes are required for...
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Characteristics analysis and prediction of Low Earth Orbit (LEO) satellite clock corrections by using least-squares harmonic estimation
With the vigorous development of Low Earth Orbit (LEO) satellite constellations, the concept of LEO-enhanced GNSS is proposed and quickly becomes the...
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Estimating GNSS satellite clock error to provide a new final product and real-time services
A method is introduced to directly estimate the model coefficients of global navigation satellite system (GNSS) satellite clock errors using global...
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Simultaneous estimation of inter-frequency clock biases and clock offsets with triple-frequency GPS data: undifferenced and uncombined methodology and impact analysis
Nowadays, multi-frequency signals have been putting forward good prospects for improving the application performances of the rapid-develo** Global...
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Centimeter-level clock synchronization and space-borne timescale generation for BDS-3 using inter-satellite link measurements
Because modernized global navigation satellite systems (GNSSs) carry high-performance atomic clocks onboard, a new problem has arisen regarding...
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GPS satellite clock estimation using global atomic clock network
We report the GPS satellite clock estimation using 20 globally distributed receivers with an external hydrogen maser atomic clock. By applying...
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Utilizing least squares variance component estimation to combine multi-GNSS clock offsets
The International GNSS Service (IGS) provides combined satellite and station clock products, which are generated from the individual clock solutions...
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An efficient strategy for multi-GNSS real-time clock estimation based on the undifferenced method
Precise satellite clock product is an indispensable prerequisite for the real-time precise positioning service. To meet the requirement of numerous...
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GNSS satellite inter-frequency clock bias estimation and correction based on IGS clock datum: a unified model and result validation using BDS-2 and BDS-3 multi-frequency data
To deal with inconsistency between Global Navigation Satellite System (GNSS) multi-frequency data and International GNSS Service (IGS) clock product,...
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On the satellite clock datum stability of RT-PPP product and its application in one-way timing and time synchronization
In real-time precise point positioning (RT-PPP), PPP one-way timing is used to steer local oscillators, but the timing performance could be...
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Single-station single-frequency GNSS cycle slip estimation with receiver clock error increment and position increment constraints
Cycle slip detection is essential for achieving centimeter-level positioning using Global Navigation Satellite Systems (GNSS). However, when dealing...
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Real-time precise orbit and clock estimation of multi-GNSS satellites with undifferenced ambiguity resolution
Real-time precise orbit and clock products are necessary for Global Navigation Satellite System (GNSS) real-time precise applications. In the...
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Improved method for the GPS high-precision real-time satellite clock error service
The real-time service (RTS) of satellite clock offsets is one of the main routine tasks for real-time precise point positioning (PPP). The quadratic...
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Orbit determination, clock estimation and performance evaluation of BDS-3 PPP-B2b service
AbstractThis paper focuses on PPP-B2b, one of the featured services for BDS-3, which provides users around China with centimetre-level static...
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Between-satellite ambiguity resolution based on preliminary GNSS orbit and clock information using a globally applied ambiguity clustering strategy
The use of undifferenced (UD) processing schemes of GNSS measurements is becoming more and more popular for the generation of global network...
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Research on modeling and predicting of BDS-3 satellite clock bias using the LSTM neural network model
In the Global Navigation Satellite System (GNSS), the satellite clock bias (SCB) is one of the sources of ranging error, and its ability to predict...
