Receiver having integrated spectral analysis capability
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.
1. An apparatus for performing a spectral analysis of a communication signal, comprising:
a tuner module, implemented on a chip, configured to provide a plurality of information sequences in parallel based upon the communication signal, each of the plurality of information sequences representing different spectral characteristics of the communication signal, the different spectral characteristics of the communication signal comprising:
a wideband spectral characteristic corresponding to a frequency spectrum of the communication signal,
a quarter band spectral characteristic corresponding to one fourth of the frequency spectrum of the communication signal, and
a half band spectral characteristic corresponding to one half of the frequency spectrum of the communication signal;
a selector, implemented on the chip, configured to select a single information sequence from among the plurality of information sequences, and
a processor, implemented on the chip, configured to perform the spectral analysis of only the single information sequence.
2. The apparatus of claim 1 , wherein the spectral analysis comprises:
a Fast Fourier Transform (FFT).
3. The apparatus of claim 1 , wherein the processor is further configured to time stamp a spectral measurement which results from the spectral analysis.
4. The apparatus of claim 1 , wherein the spectral analysis comprises at least one of:
a spectral shape of the communication signal;
a presence of an interfering signal within the communication signal;
a level and shape of a background noise floor for the communication signal; or
a presence of a partial spectral null in the communication signal.
5. The apparatus of claim 1 , wherein the processor is further configured to perform the spectral analysis when an input pin of the processor is triggered.
6. The apparatus of claim 1 , wherein the processor is further configured to perform the spectral analysis when a parameter associated with the communication signal matches a pre-programmed number.
7. An apparatus for providing a spectral analysis of a communication signal, comprising:
a tuner module, implemented on a chip, configured to provide a plurality of information sequences in parallel based on the communication signal, each of the plurality of information sequences representing different spectral characteristics of the communication signal, the different spectral characteristics of the communication signal comprising:
a wideband spectral characteristic corresponding to a frequency spectrum of the communication signal,
a quarter band spectral characteristic corresponding to one fourth of the frequency spectrum of the communication signal, and
a half band spectral characteristic corresponding to one half of the frequency spectrum of the communication signal;
a processor, implemented on the chip, comprising:
an input interface configured to receive a single information sequence selected from among the plurality of information sequences and a parameter, the parameter determining a property of the spectral analysis; and
a calculation module configured to perform the spectral analysis only on the single information sequence in accordance with the property.
8. The apparatus of claim 7 , wherein the calculation module is further configured to perform the spectral analysis in accordance with a windowing technique or an averaging technique based upon the parameter.
9. The apparatus of claim 7 , wherein the calculation module is further configured to perform the spectral analysis when an input pin of the processor is triggered.
10. The apparatus of claim 7 , wherein the calculation module is further configured to perform the spectral analysis when a second parameter associated with the communication signal matches a pre-programmed number.
11. The apparatus of claim 7 , wherein the calculation module is further configured to time stamp a spectral measurement which results from the spectral analysis.
12. The apparatus of claim 7 , wherein the spectral analysis indicates at least one of:
a spectral shape of the communication signal;
a presence of an interfering signal within the communication signal;
a level and shape of a background noise floor for the communication signal; or
a presence of a partial spectral null in the communication signal.
13. The apparatus of claim 7 , wherein the calculation module is further configured to perform the spectral analysis on a selected frequency range of the single information sequence to provide the spectral measurement arranged in a plurality of bins, each bin from among the plurality of bins corresponding to a respective frequency range of the communication signal.
14. A method for providing a spectral analysis of a communication signal, the method comprising:
providing, by a receiver implemented on a chip, a plurality of information sequences in parallel based upon the communication signal, each of the plurality of information sequences representing different spectral characteristics of the communication signal, the different spectral characteristics of the communication signal comprising:
a wideband spectral characteristic corresponding to a frequency spectrum of the communication signal,
a quarter band spectral characteristic corresponding to one fourth of the frequency spectrum of the communication signal, and
a half band spectral characteristic corresponding to one half of the frequency spectrum of the communication signal;
receiving a parameter and a command;
selecting, by a processor implemented on the chip, a single information sequence from among the plurality of information sequences; and
performing, by the processor, the spectral analysis only on the single information sequence based on the parameter and in response to the command.
15. The method of claim 14 , wherein the performing comprises:
performing a Fast Fourier Transform (FFT) on the single information sequence.
16. The method of claim 14 , further comprising:
marking a spectral measurement which results from the spectral analysis with a time stamp.
17. The method of claim 14 , wherein the spectral analysis comprises at least one of:
a spectral shape of the communication signal;
a presence of an interfering signal within the communication signal;
a level and shape of a background noise floor for the communication signal; or
a presence of a partial spectral null in the communication signal.
18. The method of claim 14 , wherein the performing comprises:
triggering the spectral analysis by using an input pin of the processor.
19. The method of claim 14 , wherein the performing comprises:
triggering the spectral analysis when a second parameter associated with the communication signal matches a pre-programmed number.
20. The method of claim 14 , wherein the performing comprises:
performing the spectral analysis on a selected frequency range of the single information sequence to provide the spectral measurement arranged in a plurality of bins, each bin from among the plurality of bins corresponding to a respective frequency range of the communication signal.