Patent ID: 8750895

Claim:
A method, comprising: receiving, by a mobile device, data defining a geofence; identifying, by the mobile device, one or more wireless access points for monitoring the geofence; determining, by the mobile device and based on the one or more identified wireless access points, a tentative location of the mobile device relative to the geofence, wherein determining the tentative location comprises: receiving a signal from a wireless access point, the signal being associated with a wireless access point identifier; determining that the wireless access point identifier matches one of a list of one or more wireless access point identifiers, each wireless access point identifier in the list being associated with one of the one or more identified wireless access points; in response, determining a potential entry of the mobile device into the geofence; and determining the tentative location based on the potential entry; and upon determining the tentative location of the mobile device relative to the geofence, determining whether the mobile device is inside of the geofence.