Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference
First Claim
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1. A method, comprising:
- analyzing, by a system comprising a processor, a wide frequency band with respect to signal power levels in specified frequency bands;
measuring, by the system, signal power levels received in the specified frequency bands;
determining, by the system, an average composite wideband power level from less than all of the signal power levels;
determining, by the system, an adaptive threshold from the average composite wideband power level;
detecting, by the system, interference according to the adaptive threshold; and
configuring, by the system, a variable bandwidth of a filter to suppress at least a portion of the interference.
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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 from the average composite wideband power level, detecting narrow band interference according to the adaptive threshold, and configuring a filter to substantially suppress the detected narrow band interference. Other embodiments are disclosed.
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Citations
20 Claims
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1. A method, comprising:
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analyzing, by a system comprising a processor, a wide frequency band with respect to signal power levels in specified frequency bands; measuring, by the system, signal power levels received in the specified frequency bands; determining, by the system, an average composite wideband power level from less than all of the signal power levels; determining, by the system, an adaptive threshold from the average composite wideband power level; detecting, by the system, interference according to the adaptive threshold; and configuring, by the system, a variable bandwidth of a filter to suppress at least a portion of the interference. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device, comprising:
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a radio frequency receiver; a filter having a variable bandwidth; and a circuit coupled to the filter, wherein execution of instructions by the circuit cause the circuit to perform operations comprising; scanning a wide frequency band; measuring power levels in frequency bands from signals provided by the radio frequency receiver; determining an average power level from less than all of the power levels measured in the frequency bands; determining a threshold from the average power level; detecting interference from the signals based on the threshold; and modifying the variable bandwidth of the filter to suppress at least a portion of the interference. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A memory device, comprising instructions, wherein responsive to a circuit executing the instructions, the circuit performs operations comprising:
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measuring power levels in frequency bands of signals provided over a wide frequency band; calculating an average power level from at least a portion of the power levels; determining a threshold from the average power level, a plurality of the power levels measured, or a combination thereof; detecting from the signals, interference based on the threshold; and modifying a variable bandwidth of a filter to suppress at least a portion of the interference. - View Dependent Claims (19, 20)
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Specification