Patent ID: 7778649

Claim:
A method for locating a wireless communication device, comprising: determining a first location of the wireless communication device, the determining including: initiating each of three access points to transmit a respective signal to the wireless communication device, receiving at each of the three access points an acknowledgment signal from the wireless communication device, the acknowledgment signal including a first signal strength of the respective signals from the three access points, determining at each of the three access points a second signal strength of the acknowledgment signal, and determining the first location as a function of at least one of the first signal strength and the second signal strength; and determining a second location of the wireless communication device, the determining of the second location including: directing from each of the three access points a respective beam to the first location, receiving at each of the three access points a return signal from the wireless communication device a signal, determining the second location of the wireless communication device as a function of the return signal.