Vehicle System for Detecting a Three-Dimensional Location of a Wireless Device
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United States of America Patent
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Issued Date -
Oct 16, 2014
app pub date -
Apr 16, 2013
filing date -
Apr 16, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vehicle system is provided with a portable device that is configured to provide a wireless signal. The vehicle system includes at least three base stations for being positioned about a vehicle within a first plane and a fourth base station for being positioned within the vehicle and vertically offset from the first plane to define a second plane with two of the at least three base stations. Each base station is configured to receive the wireless signal and to generate a message indicative of a time of flight of the wireless signal. The fourth base station is further configured to determine a three-dimensional location of the portable device based on the message generated by each base station.
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