SYSTEM AND METHOD FOR REAL-TIME ASSET LOCALIZATION
First Claim
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1. A system for locating an asset within a physical space, the system comprising:
- a. a plurality of nodes;
b. a coordinator in communication with each node, the coordinator comprising a FPGA operable to output a clock and a 180 degree phase shifted clock, the coordinator generating a high speed clock comprised of an aggregation of the clock and the 180 degree phase shifted clock;
c. a tag affixed to the asset, the tag operable to emit a beacon signal receivable by the plurality of nodes, the nodes each correspondingly communicating a respective timing signal to the coordinator, the coordinator configured to determine the time difference of arrival among the timing signals using the clock, the time difference of arrival corresponding to a distance from each node, and the coordinator mapping the distances to a position of the tag,
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Abstract
A system for real-time asset localization. More particularly, the following relates to a high-speed clock that measures the time difference of arrival among signals received by nodes
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1 Claim
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1. A system for locating an asset within a physical space, the system comprising:
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a. a plurality of nodes; b. a coordinator in communication with each node, the coordinator comprising a FPGA operable to output a clock and a 180 degree phase shifted clock, the coordinator generating a high speed clock comprised of an aggregation of the clock and the 180 degree phase shifted clock; c. a tag affixed to the asset, the tag operable to emit a beacon signal receivable by the plurality of nodes, the nodes each correspondingly communicating a respective timing signal to the coordinator, the coordinator configured to determine the time difference of arrival among the timing signals using the clock, the time difference of arrival corresponding to a distance from each node, and the coordinator mapping the distances to a position of the tag,
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Specification
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Current AssigneeIk Pyo Hong, Peyman Moeini, Xavier Fernando
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Original AssigneeIk Pyo Hong, Peyman Moeini, Xavier Fernando
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InventorsMoeini, Peyman, Fernando, Xavier, Hong, Ik Pyo
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Application NumberUS14/939,191Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current1/1CPC Class CodesG08B 13/2462 Asset location systems comb...
