Mitigating Atmospheric Effects From Geographical Anomalies on Reference Pressure Estimates
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United States of America Patent
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Issued Date -
May 18, 2023
app pub date -
Nov 9, 2022
filing date -
Nov 9, 2022
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Abstract
A method involves determining an estimated position of a mobile device within a region. Atmospheric data measurement stations are identified within the region. A geographical anomaly is identified within the region that physically intervenes between the mobile device and a first atmospheric data measurement station. Based on a positional relationship between the mobile device, the geographical anomaly, and the first atmospheric data measurement station, it is determined that atmospheric pressure measurements collected at the first atmospheric data measurement station should be conditionally used for determining a reference pressure estimate. The reference pressure estimate is determined using a plurality of atmospheric pressure measurements collected at the atmospheric data measurement stations and conditionally using the atmospheric pressure measurements collected at the first atmospheric data measurement station. An estimated altitude of the mobile device is determined using a measurement of atmospheric pressure at the mobile device and the reference pressure estimate.
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