METHODS, APPARATUSES, SYSTEMS AND COMPUTER READABLE MEDIUMS FOR DETERMINING LOCATION OF ASSETS
First Claim
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1. A method for locating a transmitter, the method comprising:
- calculating a matched filter detector output for each of one or more candidate transmitter locations by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations, the linear filter being derived for the one or more candidate transmitter locations; and
determining the location of the transmitter based on the one or more calculated matched filter detector outputs.
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Abstract
In locating a transmitter, a central processor calculates a matched filter detector output for each of one or more candidate transmitter locations by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations. The central processor then determines the location of the transmitter based on the one or more calculated matched filter detector outputs. The linear filter is derived for the one or more candidate transmitter locations
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Citations
50 Claims
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1. A method for locating a transmitter, the method comprising:
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calculating a matched filter detector output for each of one or more candidate transmitter locations by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations, the linear filter being derived for the one or more candidate transmitter locations; and determining the location of the transmitter based on the one or more calculated matched filter detector outputs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for locating a transmitter, the method comprising:
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maximizing a localization statistic by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations, the linear filter being determined based on a propagation model associated with one or more candidate transmitter locations; and locating the transmitter based on the maximized localization statistic. - View Dependent Claims (15, 16, 17)
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18. An apparatus for locating a transmitter, the apparatus comprising:
a central processor configured to calculate a matched filter detector output for each of one or more candidate transmitter locations by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations, the linear filter being derived for the one or more candidate transmitter locations, the central processor being further configured to determine the location of the transmitter based on the one or more calculated matched filter detector outputs. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. An apparatus for locating a transmitter, the apparatus comprising:
a central processor configured to maximize a localization statistic by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations, the linear filter being determined based on a propagation model associated with one or more candidate transmitter locations, the central processor being further configured to locate the transmitter based on the maximized localization statistic. - View Dependent Claims (32, 33)
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34. A computer readable storage medium storing instructions that, when executed, cause a processor to perform a method for locating a transmitter, the method comprising:
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calculating a matched filter detector output for each of one or more candidate transmitter locations by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations, the linear filter being derived for the one or more candidate transmitter locations; and determining the location of the transmitter based on the one or more calculated matched filter detector outputs. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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47. A computer readable storage medium storing instructions that, when executed, cause a processor to perform a method for locating a transmitter, the method comprising:
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maximizing a localization statistic by applying a linear filter to low frequency magnetic field measurements obtained at a plurality of receiver locations, the linear filter being determined based on a propagation model associated with one or more candidate transmitter locations; and locating the transmitter based on the maximized localization statistic. - View Dependent Claims (48, 49, 50)
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Specification