Research on Accessibility and Equity of Urban Transport Based on Multisource Big Data

Table 4

Base station location and travel population data based on cellular signaling data.

Field information	Description
ID	Anonymous user number information
First_Time	Start time, indicating the time of the first connection to this base station
Start_Base	Start of the base station
Start_LNG	Start base station longitude
Start_LAT	Start base station latitude
Last_Time	End time, that is, the time of the last connection to this base station
End_Base	End of the base station
End_LNG	End of base station longitude
End_LAT	End of base station latitude
Duration	Dwell time, equal to the difference between the end time and the start time
Trip_Count	Record trip count data for each OD trip