Analysis of Individual’s Activity Space Based on the Cellular Signaling Data

Table 1

A summary of related studies.

Research topics		Studies	Measures	Data	Sample size
Human mobility patterns	Human trajectory	Marta et al. 2008	Distribution of displacement; distribution of gyration radius	CDR only	100,000 people 6 months + 206 people 2 weeks
	OD matrices	Iqbal et al. 2014	OD matrices; traffic microsimulation	CDR + video count	6.9 million users + 13 key location 3 days
	Mobility predictability	Song et al. 2010	Trajectory; entropy; predictability	CDR only	50,000 people 3 months
Travel behavior	Spatial behavior	Olle et al. 2014	Monthly variability; standard deviational ellipse	CDR only	1310 people one year
	Travel distance	Xu et al. 2015	Anchor point; travel distance	CDR only	1,219,198 people
Activity space	Spatial and temporal figure	Guo et al. 2013	Spatial distribution and density of individuals’ activities	GPS/GSM + surveys	100 residents 1 week
	Activity patterns	Widhalm et al. 2015	Reconstruction of trips; distribution of restricted starting time and duration of activities	CDR + CSD + land use	600,000 people 2 weeks + 1 million 2 weeks
	Activity patterns	Cheng et al. 2013	Home-workplace location; activity patterns visualization; space-time activity density	CSD + surveys	12635 people 2 months