SYSTEM AND METHOD FOR CALIBRATION OF RADIO FREQUENCY LOCATION SENSORS
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Abstract
A method includes receiving, in a scanner, at least one radio-frequency (RF) signal from a sensor proximate to the scanner. The method also includes storing location information, corresponding to a location of the scanner, and signal strength information corresponding to the scanner. The method further includes calibrating location records according to the signal strength information and location information. There is also a system for calibrating location records. The system includes a plurality of sensors each configured to transmit an RF signal. The system also includes a scanner configured to receive at least one RF signal from a sensor proximate to the scanner, store location information corresponding to a location of the scanner, and store signal strength information corresponding to the scanner. The system further includes a location manager configured to receive the stored signal strength information and location information from the scanner and to calibrate location records according to the stored signal strength information and location information.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. An apparatus comprising:
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a storage configured to store (i) signal strength information identifying a signal strength of at least one wireless signal sent between a wireless location calibration device and one or more location sensors and (ii) location information identifying a location of one or more of;
the wireless location calibration device and at least one of the one or more location sensors; anda processor configured to calibrate a location record based on the signal strength information and the location information. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A method comprising:
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obtaining signal strength information identifying a signal strength of at least one wireless signal sent between a wireless location calibration device and one or more location sensors; obtaining location information identifying a location of one or more of;
the wireless location calibration device and at least one of the one or more location sensors; andcalibrating a location record based on the signal strength information and the location information. - View Dependent Claims (28, 29, 30)
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31. A computer readable medium embodying a computer program, the computer program comprising computer readable program code for:
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obtaining signal strength information identifying a signal strength of at least one wireless signal sent between a wireless location calibration device and one or more location sensors; obtaining location information identifying a location of one or more of;
the wireless location calibration device and at least one of the one or more location sensors; andcalibrating a location record based on the signal strength information and the location information. - View Dependent Claims (32, 33, 34)
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35. An apparatus comprising:
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a transceiver configured to receive at least one wireless signal sent between a wireless location calibration device and one or more location sensors; a processor configured to identify (i) signal strength information identifying a signal strength of the at least one wireless signal and (ii) location information identifying a location of one or more of;
the wireless location calibration device and at least one of the one or more location sensors; anda storage configured to store the signal strength information and the location information; wherein the apparatus is configured to provide the stored signal strength information and the stored location information for calibrating a location record based on the stored signal strength information and the stored location information. - View Dependent Claims (36, 37, 38, 39, 40)
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Specification