ENHANCED LOCATION SYSTEM USING WIRELESS TRANSMISSION BEACONS WITH VARYING POWER
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United States of America Patent
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Aug 17, 2017
app pub date -
May 2, 2017
filing date -
Sep 16, 2016
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Abstract
Communicating transmission power information that specifies a transmission power used by a reference point for use in estimating a position of a mobile device. Systems and methods measure an amount of power present in a signal received from the reference point, receive an identifier of the reference point and transmission power information that specifies the transmission power used by the reference point, transmit the identifier of the reference point to a location server, and also transmit the transmission power information or an estimate of a distance separating the mobile device and the reference point to the location server.
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