Patent ID: 8548495

Claim:
A wireless system, comprising: a mobile wireless device configured to operably communicate with an access point (AP) positioning system configured to estimate a position of APs based on information provided by the mobile wireless device; wherein the mobile device is configured to provide AP positioning information obtained from a signal received from a first AP to the AP positioning system, the AP positioning information comprising: medium access controller (MAC) address of the first AP; received signal strength indication (RSSI) measurement of the signal transmitted by the first AP as measured by the wireless device; coordinates of the location of the mobile wireless device as computed by the mobile wireless device; and a channel frequency on which the signal was received; beacon information received from the first AP containing information about a second AP; and an uncertainty value for the coordinates of the location of the mobile wireless device, wherein the uncertainty value is an uncertainty in an estimate of a position of the mobile wireless device represented as a radius of a circle with the mobile wireless device at the center of the circle.