Author

Shi-Yu Yu

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Review Open access Sep 2026

PPP Time Transfer for GNSS: From Post-Processing to Real-Time Operation—A Review

Carrier-phase precise point positioning (PPP) entered Bureau International des Poids et Mesures (BIPM) time computations around 2009 and now yields sub-nanosecond time differences with 10−15–10−16 frequency stability over multi-day arcs, while International GNSS Service (IGS) real-time streams, Galileo High Accuracy Se...

Chen-Hui Jiang, Shi-Yu Yu, Xu Fan et al. · Time and Space · 0 citations

Open access Sep 2026

Adaptive clock modeling for real-time GPS/Galileo PPP timing of LEO satellites

Low Earth Orbit (LEO) satellite-borne Global Navigation Satellite System (GNSS) observations play an important role in precise orbit determination and timing applications. However, owing to the complex onboard environment and limitations in data-link conditions, observation interruptions and degraded observation qual...

Shi-Yu Yu, Guan-Qi Liu, Tian-Pei Liu et al. · Frontiers in Astronomy and S... · 0 citations