https://doi.org/10.1140/epjds/s13688-024-00510-0
Research
Comparing GPS and cell-based mobile phone data to identify activity participation during the COVID-19 pandemic
Chair of Transport Systems Planning and Transport Telematics, Technische Universität Berlin, Strasse des 17. Juni 135, 10623, Berlin, Germany
Received:
16
March
2024
Accepted:
14
November
2024
Published online:
20
November
2024
This study conducts a detailed analysis of population mobility during the COVID-19 pandemic, utilizing a unique approach that contrasts two types of mobile phone data: GPS-based and cell-based. The primary objective is to evaluate the effects of governmental restrictions on a variety of activities including school attendance, work, shopping, and leisure. We compare both data sets by using a set of defined criteria, including anticipated activity reductions during full and partial closures, as well as the timing of activity changes in response to policy implementations. Our research reveals that while cell-based data lacks the precision to differentiate between various out-of-home activities effectively, GPS-based data, especially when integrated with OpenStreetMap, proves significantly more adept at identifying and categorizing specific activity types. The GPS-based data shows, for example, that school activities fell by more than 80% while work activities were only reduced by around 50%.
Key words: COVID-19 / Mobility / GPS Data / Mobile Phone Data / OpenStreetMap
© The Author(s) 2024
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