Patent ID: 8818424

Claim:
A method for providing an estimated distance between a first wireless access point and a second wireless access point using a mobile device, the method comprising: obtaining, with the mobile device, a plurality of data sets, wherein each data set of the plurality of data sets includes data regarding: a first Round-Trip Time (RTT) value relating to a distance between the mobile device and the first wireless access point; and a second RTT value relating to a distance between the mobile device and the second wireless access point; determining the estimated distance between the first wireless access point and the second wireless access point by: determining a first data set having a lowest first RTT value of any data set of the plurality of data sets; determining the second RTT value in the first data set; and estimating the distance between the first wireless access point and the second wireless access point by subtracting a processing delay from the second RTT value in the first data set; and sending, with the mobile device, the estimated distance between the first wireless access point and the second wireless access point.