Beixi Chen
YOU?
Author Swipe
View article: The impact of LEO satellite hardware delays on LEO-augmented precise point positioning
The impact of LEO satellite hardware delays on LEO-augmented precise point positioning Open
Low Earth Orbit (LEO) satellite augmentation is considered a promising solution to enhance Precise Point Positioning (PPP) performance, offering stronger signals and faster geometry changes. Notably, in the absence of a global ground stati…
View article: Impact of ISB stochastic models on LEO satellite clock estimation with onboard multi-GNSS observations
Impact of ISB stochastic models on LEO satellite clock estimation with onboard multi-GNSS observations Open
High precision of real-time (RT) low Earth orbit (LEO) satellite clocks is crucial for enabling future LEO-enhanced positioning, navigation, and timing services. For filter-based RT processing, multi-GNSS observations from onboard LEO sate…
View article: Real-time LEO satellite precise orbit and clock determination for augmenting GNSS: Strategies and Challenges
Real-time LEO satellite precise orbit and clock determination for augmenting GNSS: Strategies and Challenges Open
To realize the various benefits brought by Low Earth Orbit (LEO) satellites in single-receiver high-precision GNSS-based Positioning Navigation and Timing (PNT) services, LEO satellite orbits and clocks need to be processed and delivered t…
View article: The Effect of Observation Discontinuities on LEO Real-Time Orbital Prediction Accuracy and Integrity
The Effect of Observation Discontinuities on LEO Real-Time Orbital Prediction Accuracy and Integrity Open
Real-time, high-accuracy orbital products for low Earth orbit (LEO) satellites are essential for LEO-augmented real-time positioning, navigation and timing services. In particular, complete and continuous global navigation satellite system…
View article: Impact of Latency and Continuity of GNSS Products on Filter-Based Real-Time LEO Satellite Clock Determination
Impact of Latency and Continuity of GNSS Products on Filter-Based Real-Time LEO Satellite Clock Determination Open
High-precision Low Earth Orbit (LEO) satellite clocks are essential for LEO-augmented Positioning, Navigation, and Timing (PNT) services. Nowadays, high-precision LEO satellite clocks can be determined in real-time using a Kalman filter ei…
View article: Real-Time LEO Satellite Clocks Based on Near-Real-Time Clock Determination with Ultra-Short-Term Prediction
Real-Time LEO Satellite Clocks Based on Near-Real-Time Clock Determination with Ultra-Short-Term Prediction Open
The utilization of Low Earth Orbit (LEO) satellites is anticipated to augment various aspects of traditional GNSS-based Positioning, Navigation, and Timing (PNT) services. While the LEO satellite orbital products can nowadays be produced w…