METHOD AND DEVICE FOR PROCESSING THE DC OFFSET OF A RADIOFREQUENCY RECEPTION SUBSYSTEM
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0 Petitions
Accused Products
Abstract
A method may compensate for direct current (DC) offset in a radio frequency reception device. The method may include partitioning an analog portion of the reception device into a plurality of zones, for each zone, calibrating initial DC offset compensation to be applied within an operating range of a respective zone, the operating range of the other zones being limited to a threshold operating range, and determining DC offset compensation to be applied to the reception device throughout the operating range based on the basic DC offset compensations.
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Citations
40 Claims
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1-17. -17. (canceled)
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18. A method of compensating for direct current (DC) offset in a radio frequency reception device, the method comprising:
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partitioning an analog portion of the reception device into a plurality of zones; for each zone, calibrating an initial DC offset compensation to be applied within an operating range of a respective zone, the operating range of the other zones being limited to a threshold operating range; and determining an actual DC offset compensation to be applied to the plurality of zones based on the initial DC offset compensations. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A device for compensating for direct current (DC) offset in radio frequency reception, the device comprising:
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a reception module including an analog portion being partitioned into a plurality of zones; a calibration module performing a calibration of an initial DC offset compensation applied to a respective zone in an operating range; a controller limiting the operating range of the respective zone to a threshold operating range; a monitoring module activating said calibration module and said controller for the other zones; and a determination module determining an actual DC offset compensation applied to the plurality of zones based on the initial DC offset compensations, - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36)
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37. A wireless communications device comprising:
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an antenna receiving a radio frequency (RF) signal; and a device cooperating with said antenna for compensating for direct current (DC) offset in the received RF signal and comprising a reception module including an analog portion being partitioned into a plurality of zones, and a controller configured to perform a calibration of an initial DC offset compensation in an operating range of a respective zone, limit the operating range of the respective zone to a threshold operating range, and determine an actual DC offset compensation for the plurality of zones based upon the initial DC offset compensations. - View Dependent Claims (38, 39, 40)
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Specification