Indoor positioning method and indoor positioning system
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Mar 29, 2016
filing date -
Jan 16, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosure relates to an indoor positioning method performed by an indoor positioning system installed on an object inside of a building. The indoor positioning system includes a gyroscope, a digital compass, an accelerometer, a distance sensor and a processor; an indoor map of the building is stored in the processor. Dead reckoning is performed to obtain an estimated position of the object on the map. An target area around the estimated position is selected on the map. Several measurements between the object and walls of the building are performed to obtain an actual distance data. The unique point inside the target area which matches the actual distance data is used the actual position of the object.
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