Patent ID: 7333794

Claim:
A subscriber handheld mobile telephone unit for use in a wireless communications network, the handheld mobile telephone unit comprising: an operating system, including hardware and software that performs communications functions; a performance measurement system to determine at least one call performance characteristic; and a global positioning system (GPS) location system, comprising hardware and software that determine a location of the handheld mobile unit in compliance with enhanced 911 (“E911”) location resolution requirements, wherein the location system is within the handheld mobile telephone unit carried by the subscriber, and wherein the handheld mobile telephone unit: receives a query originating from a mobile switch center which communicates with a base station, wherein the query includes a request for a selected call performance characteristic and location data, the call performance characteristic specified in the query, wherein the location data describes the location of the subscriber handheld mobile telephone unit when the call performance characteristic was collected and comprises a location of the subscriber handheld mobile telephone unit in compliance with the E911 location resolution requirements, the location resolution provided by an enhanced 911 function and the global positioning system location system; and transmits the location data and the call performance characteristic to the mobile switch center in response to the request, wherein the location data and the call performance characteristic is used in analyzing performance of the wireless communication network in the absence of drive testing.