Method and system for extensible position location
First Claim
Patent Images
1. A method for determining a position of a node, comprising:
- placing a first node at a known first position;
measuring a range between said first node and a second node;
determining a second position corresponding to said second node using said range and said first position;
determining a confidence metric corresponding to said second position; and
determining a third position corresponding to a third node using said second position only when said confidence metric meets an acceptance criteria.
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Abstract
A method and system for extensible positioning that uses a primary reference node at a known first position and a secondary reference node at a second position, where a range is measured between the secondary reference node and the primary reference node. The second position is determined based upon the first position and the measured range. A second range is measured between the secondary reference node and a non-fixed node. A third position corresponding to the non-fixed node is determined based upon the second position and the second range.
152 Citations
21 Claims
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1. A method for determining a position of a node, comprising:
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placing a first node at a known first position; measuring a range between said first node and a second node; determining a second position corresponding to said second node using said range and said first position; determining a confidence metric corresponding to said second position; and determining a third position corresponding to a third node using said second position only when said confidence metric meets an acceptance criteria. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A position location system, comprising:
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a first node having a known first position; a second node having a second position determined based upon a range measured between said second node and said first node, the second position having a corresponding confidence metric; and a third node having a third position determined based upon said second position only when said confidence metric meets an acceptance criteria. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification