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Location Accuracy

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HelloTech
HelloTech
Mar 22, 2023 · Artificial Intelligence

Smart Return System: Optimizing Bike Return Experience Using Sensor Data and Trajectory Prediction

The proposed smart return system for shared‑mobility bikes uses accelerometer data and Hidden Markov Model trajectory prediction to distinguish temporary stops from actual parking, enabling 85% of returns to be pre‑judged, improving accuracy, speed, user experience, and operational costs.

Hidden Markov ModelsLocation AccuracySmart Transportation
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Smart Return System: Optimizing Bike Return Experience Using Sensor Data and Trajectory Prediction
Amap Tech
Amap Tech
Oct 30, 2020 · Fundamentals

Principles, Applications, and Future of Satellite Positioning (GNSS)

The article explains GNSS fundamentals—time‑signal ranging, ephemeris, and error sources—traces the evolution from early systems to modern constellations like Beidou, describes receiver components and mobile‑phone limitations, compares iOS and Android raw data access, and outlines future advances such as LEO constellations, RTK integration, and expanding precision‑positioning applications.

BeidouGNSSLocation Accuracy
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Principles, Applications, and Future of Satellite Positioning (GNSS)