Methods for determining location of unknown devices in a synchronized network and related systems

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United States of America Patent

PATENT NO 12035262
APP PUB NO 20230017534A1
SERIAL NO

17942273

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Abstract

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Methods for determining a location of an unknown device (UD) from a plurality of known devices (KDs) are provided including receiving, at the UD, periodically broadcasted messages from each of a plurality of KDs. Corresponding arrival time stamp (Tarrival-i-UD) of each periodically broadcasted message from each of the plurality of KDs are recorded. Each of the plurality of KDs are clock synchronized to a common clock source at a master device(MD). A departure time of the periodically broadcasted message from each of the plurality of KDs is known by the UD in master device time units (Tdepart-i-md). X, y and z coordinates of a location of each of the KDs is known by the UD. The x, y and z coordinates of an actual location of the UD is calculated using the x, y and z coordinates of each of the KDs, the recorded arrival times (Tarrival-i-UD) of each of the periodically broadcasted messages from each of the plurality of KDs and the known departure times of each of the periodically broadcasted messages (Tdepart-i-md) from each of the plurality of KDs.

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Patent Owner(s)

Patent OwnerAddress
WISER SYSTEMS INCRALEIGH NC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hollar, Seth Edward-Austin Raleigh, US 28 293

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