Mobile positioning data (MPD) is a form of big datawhich results from the high data volumes of mobile positioning – tracking the location of mobile phones.[1]
Mobile positioning data can be used for generating population and tourism statistics, for measuring human mobility, creating data-driven solutions in urban planning, establishing a response plan to disasters etc.[2]
There are many ways to track the location of a mobile device in a network but this article covers mobile positioning data from network-based technologies:
Active mobile positioning is based on mobile network operators where the location of the mobile phone is determined with a special query.[3] Mobile phones are positioned based on network signals from the network antennae, and usually using the signal triangulation method.[4] Collecting this data generally requires special permissions (consent from people being positioned),[2] meaning that the number of people who are being positioned is usually small.[5]
Passive mobile positioning uses metadata from mobile phone use, such as incoming or outgoing calls or text messages (call detail records) or mobile internet usage (data detail records),[2] that are automatically stored by every mobile network operator.[6] The accuracy of passive mobile positioning is limited to the coverage area of network cells, which can range from a few hundred metres to multiple kilometres.[4]
Compared to passive mobile positioning, active mobile positioning yields more accurate location data and provides a greater frequency in the data points created. Although less accurate, passive mobile positioning data has many benefits: it can be collected more easily compared to active mobile positioning data (requires no individual agreements), the number of people positioned can be much bigger and it can be gathered for longer periods of time.[6]