Method and apparatus for an adaptive filter architecture
First Claim
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1. A method, comprising:
- scanning, by a communication device, a radio frequency spectrum;
identifying, by the communication device, an available frequency band in the radio frequency spectrum for initiating a communication session having an uplink and a downlink for exchanging data;
selecting, by the communication device, the available frequency band for engaging in communications independent of there being interference in the available frequency band;
determining, by the communication device, a signal strength for each of a plurality of sub-bands in the available frequency band;
determining, by the communication device, a correlation factor by correlating the signal strength for each of the plurality of sub-bands;
detecting, by the communication device, according to the correlation factor a sub-band of the plurality of sub-bands affected by radio interference;
generating, by the communication device, tuning coefficient data to substantially suppress the radio interference in the sub-band while engaged in the communication session;
filtering, by the communication device, a first signal for transmission in the uplink according to the tuning coefficient data to generate a filtered signal; and
transmitting, by the communication device, the filtered signal in the uplink, wherein the filtered signal prevents interference with the radio interference while transmitting in the uplink.
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Abstract
A system that incorporates teachings of the subject disclosure may include, for example, a method for selecting a spectral region in a radio frequency spectrum for initiating a communication session having an uplink and a downlink, correlating a signal strength of portions of the spectral region to generate a correlation factor, detecting radio frequency interference in the spectral region according to the correlation factor, and generating tuning coefficient data to substantially suppress the radio frequency interference in the spectral region during the communication session. Other embodiments are disclosed.
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Citations
20 Claims
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1. A method, comprising:
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scanning, by a communication device, a radio frequency spectrum; identifying, by the communication device, an available frequency band in the radio frequency spectrum for initiating a communication session having an uplink and a downlink for exchanging data; selecting, by the communication device, the available frequency band for engaging in communications independent of there being interference in the available frequency band; determining, by the communication device, a signal strength for each of a plurality of sub-bands in the available frequency band; determining, by the communication device, a correlation factor by correlating the signal strength for each of the plurality of sub-bands; detecting, by the communication device, according to the correlation factor a sub-band of the plurality of sub-bands affected by radio interference; generating, by the communication device, tuning coefficient data to substantially suppress the radio interference in the sub-band while engaged in the communication session; filtering, by the communication device, a first signal for transmission in the uplink according to the tuning coefficient data to generate a filtered signal; and transmitting, by the communication device, the filtered signal in the uplink, wherein the filtered signal prevents interference with the radio interference while transmitting in the uplink. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A device, comprising:
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a radio frequency transceiver; a filter apparatus; and a circuit coupled to the radio frequency transceiver and the filter apparatus, wherein execution of instructions by the circuit cause the circuit to perform operations comprising; causing the radio frequency transceiver to scan a plurality of spectral regions each comprising sub-bands of varying bandwidths; selecting an available spectral region from the plurality of spectral regions even when one or more of the sub-bands of the available spectral region are affected by radio frequency interference, wherein the available spectral region is used for initiating a communication session having an uplink and a downlink for exchanging data; measuring a signal strength in the sub-bands of the available spectral region; correlating the signal strength of the sub-bands to generate a correlation factor; detecting radio frequency interference in the available spectral region according to the correlation factor; generating coefficient data to substantially suppress the radio frequency interference in the available spectral region during the communication session; causing the filter apparatus to filter a signal for delivery in the uplink according to the coefficient data to generate a filtered signal; and providing the filtered signal in the uplink. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A storage device, comprising instructions, which when executed by a circuit, cause the circuit to perform operations comprising:
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scanning a spectral region in a radio frequency spectrum for initiating a communication session having an uplink and a downlink; selecting portions of the spectral region for engaging in the communication session independent of there being interference in the portions of the spectral region; correlating a signal strength of the portions of the spectral region to generate a correlation factor; detecting radio frequency interference in the portions of the spectral region according to the correlation factor; and generating tuning coefficient data to substantially suppress the radio frequency interference in the portions of the spectral region during the communication session; filtering a first signal for delivery in the uplink according to the tuning coefficient data to generate a filtered uplink signal; filtering a second signal received in the downlink according to the tuning coefficient data to generate a filtered downlink signal; supplying the filtered uplink signal in the uplink; and supplying the filtered downlink signal for further processing. - View Dependent Claims (19, 20)
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Specification