Patent ID: 8699370
Filing Date: 2014-04-15
Classification: G01S,G06Q,H04B,H04L,H04W

Abstract:
1. A method for determining distance between a mobile electronic device and a sensor detecting the mobile electronic device, comprising: receiving a first set of one or more packets transmitted by the sensor that include data associated with a first signal of the mobile electronic device detected by the sensor, wherein the data includes a signal strength value of the first signal, and wherein the data in the first set of packets includes a unique device identifier of the mobile electronic device and a time of detection of the first signal; receiving a second set of a plurality of packets transmitted by the sensor that include data associated with a plurality of second signals from a set of one or more access points in proximity to the sensor, wherein the data includes a signal strength value for each of the second signals; determining a variation of signal strength value for the second signals over a period of time; associating relative distance and signal strength based on the variations of signal strength value for the second signals; determining a distance value between the mobile electronic device and the sensor using the associated relative distance and signal strength and based on the signal strength value of the first signal; determining a location of the mobile electronic device based at least in part on the distance value between the mobile electronic device and the first signal; receiving an indication that an online identity has performed an online activity at a time and location in a predefined area bound by the sensor and a set of one or more other sensors, wherein the online identity is identified with a unique online identifier; and responsive to determining that the location and time of the indicated online activity substantially matches the location of the mobile electronic device at the time of detection of the first signal, associating the unique online identifier with a value based on the unique device identifier.