Atmosphere model
First Claim
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1. A method comprising:
- determining the altitude of a mobile terminal using a location dependent atmosphere model and a barometric pressure measurement, wherein the mobile terminal receives the location dependent atmosphere model from a network element, and wherein the location dependent atmosphere model provides time and location dependent barometric pressure estimates for different geographical areas over a long term that are valid for a location of the mobile terminal.
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Abstract
The invention relates to a time and location dependent atmosphere model and especially determining the altitude of a mobile terminal based on this model and the measured barometric pressure at the location of the terminal. The atmosphere model provides a long term, wide area barometric pressure model estimate.
49 Citations
31 Claims
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1. A method comprising:
determining the altitude of a mobile terminal using a location dependent atmosphere model and a barometric pressure measurement, wherein the mobile terminal receives the location dependent atmosphere model from a network element, and wherein the location dependent atmosphere model provides time and location dependent barometric pressure estimates for different geographical areas over a long term that are valid for a location of the mobile terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
determining the altitude of a mobile terminal using a location dependent atmosphere model and a barometric pressure measurement, wherein the mobile terminal sends the barometric pressure measurement to a network element, and wherein the location dependent atmosphere model provides time and location dependent barometric pressure estimates that are valid for a location of the mobile terminal. - View Dependent Claims (12, 13)
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14. A mobile terminal comprising:
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at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the mobile terminal at least to perform; determining its current altitude using a location dependent atmosphere model and a barometric pressure measurement, wherein the mobile terminal is configured to receive the location dependent atmosphere model from a network element, and wherein the location dependent atmosphere model is configured to provide time and location dependent barometric pressure estimates for different geographical areas over a long term that are valid for a location of the mobile terminal. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A network element comprising:
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at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the network element at least to perform; sending a location dependent atmosphere model to a mobile terminal, wherein the location dependent atmosphere model is configured to provide time and location dependent barometric pressure estimates for different geographical areas over a long term that are valid for a location of the mobile terminal. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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31. A system comprising:
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a network element configured to send a location dependent atmosphere model to a mobile terminal; and a mobile terminal configured to receive the location dependent atmosphere model from the network element, wherein the mobile terminal is configured to determine its current altitude using the location dependent atmosphere model and a barometric pressure measurement, and wherein the location dependent atmosphere model is configured to provide time and location dependent barometric pressure estimates for different geographical areas over a long term that are valid for a location of the mobile terminal.
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Specification