Patent ID: 8090388

Claim:
A system comprising: a memory for storing identification data and associated location data for sources of wireless signals; and a receiver for receiving a wireless signal from a first source of wireless signals; a processor configured for determining a geographic region in which the receiver is located based solely on identification information in the wireless signal from the first source of wireless signals, the determining of the geographic region including: detecting the identification information in the received wireless signal, searching the memory for identification data that matches the identification information, and retrieving location data associated with the matching identification information, thereby determining the geographic region in which the receiver is located, wherein the processor is further configured for: searching the memory for additional sources of wireless signals that are in the thus determined geographic region, and enabling only data associated with sources of wireless signals that are located within the determined geographic region, thereby providing for enabled sources of wireless signals, the enabled sources of wireless signals including only the first and the additional sources of wireless signals.