Receiver having integrated spectral analysis capability
First Claim
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1. A spectrum analysis module, comprising:
- an analog to digital converter (ADC) configured to sample a plurality of signals to provide a sampled digital sequence;
a tuner module configured to generate a plurality of sequences based upon the sampled digital sequence, each of the plurality of sequences being characterized as having different spectral characteristics;
a selector module configured to select one of the plurality of sequences from among the plurality of sequences to provide a single sequence; and
a spectral analysis processor configured to perform a spectral analysis of the single sequence to provide spectral measurements.
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Abstract
A method of managing traffic in a communications channel includes the steps of receiving a subscriber ID corresponding to a subscriber, performing a spectral analysis on a signal received from the subscriber within a time interval identified by the subscriber ID, and adjusting transmission characteristics of the subscriber based on the spectral analysis.
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Citations
29 Claims
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1. A spectrum analysis module, comprising:
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an analog to digital converter (ADC) configured to sample a plurality of signals to provide a sampled digital sequence; a tuner module configured to generate a plurality of sequences based upon the sampled digital sequence, each of the plurality of sequences being characterized as having different spectral characteristics; a selector module configured to select one of the plurality of sequences from among the plurality of sequences to provide a single sequence; and a spectral analysis processor configured to perform a spectral analysis of the single sequence to provide spectral measurements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A spectrum analysis module, comprising:
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an analog to digital converter (ADC) configured to sample a plurality of signals provide a sampled digital sequence; a tuner module configured to generate a plurality of sequences based upon the sampled digital sequence, each of the plurality of sequences being characterized as having different spectral characteristics and including; a wideband sequence corresponding to a frequency spectrum occupied by the plurality of signals; a quarter hand sequence corresponding to one fourth of the frequency spectrum occupied by the plurality of signals, and a half band sequence corresponding to one half of the frequency spectrum occupied by the plurality of signals; a selector module configured to select one of the plurality of sequences from among the plurality of sequences to provide a single sequence; and a spectral analysis processor configured to perform a spectral analysis of the single sequence to provide spectral measurements.
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12. The spectrum analysis module of claim l, wherein the tuner module comprises:
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a mixer configured to downconvert the sampled digital sequence to provide a downconverted digital sequence; and a decimation filter stage configured to decimate the downconverted digital sequence to generate a plurality of sequences. - View Dependent Claims (13, 14, 15, 16)
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17. A method comprising:
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sampling a plurality of signals to provide a sampled digital sequence; generating a plurality of sequences based upon the sampled digital sequence, each of the plurality of sequences being characterized as having different spectral characteristics; selecting one of the plurality of sequences from among the plurality of sequences to provide a single sequence; and performing a spectral analysis of the single sequence to provide spectral measurements. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method, comprising:
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sampling a plurality of signals to provide a sampled digital sequence; generating a plurality of sequences based upon the sampled digital sequence, each of the plurality of sequences being characterized as having different spectral characteristics, including generating at least one of;
a wideband sequence corresponding to a frequency spectrum occupied by the plurality of signals, a quarter band sequence corresponding to one fourth of the frequency spectrum occupied by the plurality of signals, and a half band sequence corresponding to one half of the frequency spectrum occupied by the plurality of signals;selecting one of the plurality of sequences from among the plurality of sequences to provide a single sequence; and performing a spectral analysis of the single sequence to provide spectral measurements.
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Specification