Determining an altitude of user equipment
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United States of America Patent
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Nov 5, 2019
Grant Date -
Feb 1, 2018
app pub date -
Oct 6, 2017
filing date -
Jun 17, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques of altitude determination by user equipment (UE) in a mobile communications network are discussed. A request for calibration data is transmitted to a node of the network. Barometric calibration data is received at the UE. A barometric pressure sensor in the UE measures a barometric pressure value based on the barometric calibration data. Measuring the barometric pressure value using the barometric pressure sensor in an embodiment comprises adjusting a measured barometric pressure value that is measured using the barometric pressure sensor. The barometric pressure value is transmitted to the node. The UE receives a second part of the barometric calibration data, and in dependence of the second part of the barometric calibration data and/or in dependence of the measured barometric pressure value, determines an altitude of the user equipment.
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