Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
First Claim
1. A method, comprising:
- scanning a wide frequency band with respect to signal power levels in specified narrow frequency bands;
measuring narrow band signal power levels received in the specified narrow frequency bands;
determining an average wideband power level from less than all of the narrow band signal power levels;
determining an adaptive threshold according to the average wideband power level;
detecting narrow band interferers according to the adaptive threshold; and
selectively suppressing a portion of the detected narrow band interferers according to a prioritization of the detected narrow band interferers.
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Accused Products
Abstract
A system that incorporates teachings of the subject disclosure may include, for example, a method for analyzing a wide frequency band with respect to signal power levels in specified narrow frequency bands, detecting narrow band signal power levels received in the specified narrow frequency bands, determining an average composite wideband power level from the narrow band signal power levels, determining an adaptive threshold, detecting narrow band interference according to one of the average composite wideband power level, the adaptive threshold, or both, prioritizing the detected narrow band interference, and selectively filtering a portion of the detected narrow band interference according to the prioritization. Other embodiments are disclosed.
103 Citations
20 Claims
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1. A method, comprising:
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scanning a wide frequency band with respect to signal power levels in specified narrow frequency bands; measuring narrow band signal power levels received in the specified narrow frequency bands; determining an average wideband power level from less than all of the narrow band signal power levels; determining an adaptive threshold according to the average wideband power level; detecting narrow band interferers according to the adaptive threshold; and selectively suppressing a portion of the detected narrow band interferers according to a prioritization of the detected narrow band interferers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A memory device, comprising instructions which when executed by a circuit cause the circuit to perform operations, comprising:
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monitoring a wide frequency band; measuring signal power levels in the wide frequency band; determining an average wideband power level from less than all of the signal power levels; determining a threshold according to the average wideband power level; detecting one or more narrow band interferers in signals of the wide frequency band based on one of the threshold, the average wideband power level, or both; and generating a prioritization of the one or more narrow band interferers; and suppressing a portion of the one or more narrow band interferers according to the prioritization. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A device, comprising:
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a filter; and a circuit coupled to the filter, wherein execution of instructions by the circuit cause the circuit to perform operations comprising; measuring signal power levels in frequency bands of a wideband signal provided by a radio frequency receiver; determining an average wideband power level from less than all of the signal power levels; detecting from signals provided by the radio frequency receiver interferers according to a threshold; prioritizing the detected interferers; and causing the filter to remove at least a portion of the detected interferers according to the prioritization. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification