Theauthenticationprocessfor CDMAmobilecommunication is to confirmtheidentity of mobileStation, which is byexchanginginformationbetweenmobileStation and Base Station.
It then combines this real-time information with ephemeris data, mapping, cellular basestation and Wi-Fi access point database information, and other cloud-based aiding information using the SiRFusion platform.
They showed how observing someone moving from basestation to basestation indicated the individual was on the move and how that information could be linked to traffic cameras, such as those in Denver, which are now accessible via the Internet.