GNSS MEASUREMENT PROCESSING AND RESIDUAL ERROR MODEL ESTIMATION
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Jul 11, 2023
filing date -
Jul 11, 2022
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Abstract
A method and apparatus are provided for processing a plurality of GNSS measurements to infer state information. An example method includes obtaining a plurality of quality indicators associated with each GNSS measurement. A space of joint values of the plurality of quality indicators is divided into at least a first region and a second region. Neither the first region nor the second region is box-shaped. The method determines whether the plurality of quality indicators fall within the first region or the second region. If the plurality of quality indicators fall within the first region, the GNSS measurement in question is included in the processing to infer the state information. Also provided is a method of estimating residual error models for GNSS measurements, based on training data.
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