Patent ID: 7761101

Claim:
A method of adjusting processing duration for responding to a request for location of a mobile station, the method comprising: making a determination of whether the mobile station possesses fresh assistance data usable by the mobile station to obtain satellite-based positioning data; sending a location query to the mobile station and waiting for expiration of a timer for the mobile station to respond to the location query, wherein the timer is set to a first value if the determination is that the mobile station possesses the fresh assistance data, and the timer is set to a second value greater than the first value if the determination is that the mobile station does not possess fresh assistance data; if the mobile station responds to the location query by expiration of the timer, then returning in response to the request a specific indication of the mobile station's location; and if the mobile station does not respond to the location query by expiration of the timer, then returning in response to the request a general indication of the mobile station's location.