Characterizing and Removing Oscillations in Mobile Phone Location Data

Panagiota Katsikouli 1 Marco Fiore 2, 3 Angelo Furno 4 Razvan Stanica 2, 5
1 AGORA - ALGorithmes et Optimisation pour Réseaux Autonomes
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
2 URBANET - Réseaux capillaires urbains
CITI - CITI Centre of Innovation in Telecommunications and Integration of services, Inria Grenoble - Rhône-Alpes
Abstract : Human mobility analysis is a multidisciplinary research subject that has attracted a growing interest over the last decade. A substantial amount of such recent studies is driven by the availability of original sources of real-world information about individual movement patterns. An important task in the analysis of mobility data is reliably distinguishing between the stop locations and movement phases that compose the trajectories of the monitored subjects. The problem is especially challenging when mobility is inferred from mobile phone location data: here, oscillations in the association of mobile devices to base stations lead to apparent user mobility even in absence of actual movement. In this paper, we leverage a unique dataset of spatiotemporal individual trajectories that allows capturing both the user and network operator perspectives in mobile phone location data, and investigate the oscillation phenomenon. We present probabilistic and machine learning approaches for detecting oscillations in mobile phone location data, and a filtering technique for removing those. Our analyses and comparison with state-of-the-art approaches demonstrate the superiority of our solution, both in terms of removed oscillations and of error with respect to ground-truth trajectories.
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Panagiota Katsikouli, Marco Fiore, Angelo Furno, Razvan Stanica. Characterizing and Removing Oscillations in Mobile Phone Location Data. IEEE WoWMoM 2019 - 20th IEEE International symposium on a World of Wireless, Mobile and Multimedia Networks, Jun 2019, Washington DC, United States. ⟨hal-02110719⟩

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