Skyhook Wireless announced today the commercial
availability of the Wi-Fi Positioning System (WPS), the first wide-area positioning
system leveraging Wi-Fi.
Skyhook mapped in 25 cities in the US all Wi-fi devices, by driving through the streets and record the unique identifiers. This database is then used to calculate the exact position of the device running the Skyhook WPS software - way out there!
Skyhook says they can reach a accuracy of 20-40 meters. WPS only works in metropolitan areas, but that is where GPS is working badly because of line of sight necessity to satellites. Skyhook sees applications in search and recovery, E911, proximity advertising, and fleet management.
More details on the Skyhook site and in story on CNET.
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