Patent attributes
A method of building a statistical survey of locations of mobile communication devices partitioned by geohashes. The method comprises accessing event data items from a data store, wherein each item of event data is created by a mobile communication device, based on the identities of cell sites associated with the items of event data, creating a plurality of location fixes of the mobile communication devices, wherein each of the created location fixes comprises a location determined based on a location of the identified cell site and a time stamp based on a time stamp of an associated item of event data, analyzing each of the location fixes by determining a first geohash that contains the location fix, determining counts of location fixes in each of a plurality of geohashes, and storing each count associated with a geohash in a data store, wherein each count is indexed by its associated geohash.
