Global Positioning System Location Determination

The Global Positioning System (GPS) method of locating a wireless caller is just one of several that may be selected by wireless carriers to meet Phase II requirements by October, 2001. The Time Difference of Arrival, Angle of Arrival and location pattern matching methods are additional methods being considered. There are also hybrid location methods that use both TDOA and AOA technology. The TDOA, AOA and location pattern matching methods are network based, while the GPS method is handset based.

Using this technique:

Also check this Web page or this page for an explanation of general GPS technology.

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