Position determination systems and methods utilizing error of multiple candidate positions
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United States of America Patent
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Aug 1, 2023
Grant Date -
Feb 25, 2021
app pub date -
Aug 21, 2020
filing date -
Aug 21, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Examples of systems and methods described herein may be used to track a tagged object through a scene. Techniques are described herein to calculate a position of the tag using wireless communication with multiple anchor devices. In some examples, the anchor devices may be self-localizing, e.g., they may dynamically determine their position and relationship to one another. In some examples, position of a tag may be calculated by calculating multiple candidate positions using different localization techniques—such as geometric localization techniques and/or optimization-based techniques. An error may also be identified associated with each candidate position. A final position may be determined for the tag based on the errors associated with the candidate positions (e.g., the candidate position with the smallest error may be utilized as the position, e.g., the determined position, of the tag).
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