摘要 |
A method of and apparatus for defining a zone, comprising receiving (S3) location data indicative of the location of a device 2 at a plurality of times, determining (S14), based on the location data, information relating to the occupancy of the device in a plurality of geographical regions, and defining (S15), based on the information, at least one zone. The or each zone consists of multiple contiguous regions of the geographical regions in which the occupancy of the device meets at least one criterion. Each of the plurality of predetermined geographical regions is defined independently of location areas over which base stations transmit and receive. |