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Friday, March 05, 2021

Syncing time on Smartphones for Measurements

Can be useful for synchronization of measurement.

Twist-n-Sync: Skoltech Scientists Use Smartphone Gyroscopes to Sync Time Across Devices

Skolkovo Institute of Science and Technology (Russia)

February 19, 2021

A software-based algorithm developed by scientists at Russia's Skolkovo Institute of Science and Technology (Skoltech) and Saint Petersburg State University can synchronize time across smartphones for practical tasks requiring simultaneous measurements. Their clock synchronization method is based on micro-electro-mechanical systems (MEMS) gyroscopes, standard equipment in smartphones. The algorithm was employed in two smartphones capturing simultaneous photos, which outperformed existing synchronization software to realize an accuracy of several microseconds. The technique involves grabbing the smartphones in one hand, twisting them slightly, and allowing the software to process and compute for clock synchronization. The team is adapting the method to systems that include not just smartphones but other sensors, like LiDAR and depth cameras. .. ' 

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