DETERMINING A LOCATION OF A TARGET WIRELESS DEVICE
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United States of America Patent
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app pub date -
Jul 21, 2015
filing date -
Oct 7, 2014
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Abandoned
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Abstract
Various techniques and systems are provided for determining a location of a target wireless device. Specifically, various techniques and systems are provided for determining a location of a wireless device using timestamps assigned to communications transmitted between the wireless device and one or more other wireless devices on a same WiFi channel as the wireless device. Implementations describe devices, computer-program products, and methods including transmitting a first frame by a network device on a channel of a radio frequency band, assigning a first timestamp to the frame, assigning a second timestamp to a second frame, determining a time difference between the first timestamp and the second timestamp, receiving an alternative time difference corresponding to an alternative network device, and determining a location of the client device using the time difference and the alternative time difference.
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