Patent ID: 8270939

Claim:
A wireless communication system with enhanced location processing for a plurality of mobile devices using the wireless communication system, the wireless communication system comprising: a first interface to a public safety answering point (PSAP); a second interface to a private response call center (PRCC); and a mobile device operable in a first mode and a second mode, the mobile device comprising: a location determining function that operates in the first mode and second mode; an input interface configured to receive one or more user inputs, wherein transition from the first mode to the second mode is triggered by the user inputs; a first communication function configured to have a wireless voice call with the PRCC triggered by the user inputs; and a second communication function configured to wirelessly pass location information to the PRCC in the second mode, wherein: location determinations are made more frequently by the location determining function in the second mode than in the first mode, the second mode includes a call connected state during which location determinations are made, and in the first mode, location determinations are requested to be performed using a first location determination method and a second location determination method, and when a predetermined number of location determination requests using the second location determination method have failed, a new location determination using the first location determination method is requested only if a predetermined interval has elapsed since the most recent use of the first location determination method.