Patent ID: 9374671
Filing Date: 2016-06-21
CPC Classification: G01S,H04W

Claim Text:
1. A method implemented in a computing device, the method comprising: storing, in the computing device, a set of cell identifiers for a geographical region having a predefined geographical boundary, each of the cell identifiers identifying a cell that is determined to be within the predefined geographical boundary; receiving, from a first mobile device, first location data indicating coordinates of locations of the first mobile device as a function of time; converting, by the computing device, the coordinates of the locations of the first mobile device into respective first cell identifiers; determining, by the computing device, visitations of the first mobile device to the geographical region as a function of time based on searching the set of cell identifiers to determine if the set has the respective first cell identifiers; receiving, from a second mobile device, second location data indicating coordinates of locations of the second mobile device as a function of time; converting, by the computing device, the coordinates of the locations of the second mobile device into respective second cell identifiers; determining, by the computing device, visitations of the second mobile device to the geographical region as a function of time based on searching the set of cell identifiers to determine if the set has the respective second cell identifiers; and determining, by the computing device, a difference in visitations to the geographical region, based on