WIRELESS DEVICE LOCALIZATION
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United States of America Patent
Stats
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N/A
Issued Date -
Jul 23, 2015
app pub date -
Jan 15, 2015
filing date -
Jan 22, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A vehicle system is provided with a portable device configured to provide a wireless signal and at least three base stations for being positioned about a vehicle. Each base station being configured to receive the wireless signal and to generate a message indicative of a time of flight of the wireless signal. The vehicle system also includes a main base station for being positioned within the vehicle and configured to determine a general location of the portable device within one of a plurality of zones about the vehicle and to determine a three-dimensional location of the portable device based on the message using a first estimation in response to the portable device being located in a first zone.
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