Method and system for tunable upstream bandwidth utilizing an integrated multiplexing device

1. A method, comprising:

in transceiver that comprises a signal processing component and a filtering component:

determining by the signal processing component, one or more adjustments that are applicable to one or more of a plurality of adjustable filters in the filtering component, wherein:

the plurality of adjustable filters comprises:

at least a first filter that is configured for filtering signals corresponding to a first frequency band associated with a first stream,

a second filter that is configured for filtering signals corresponding to a second frequency band associated with a second stream, and

a third filter that is configured for filtering signals corresponding to a third frequency band associated with a third stream; and

the one or more adjustments correspond to modifications in one or both of the first frequency band and the second frequency band;

communicating the one or more adjustments to the filtering component; and

applying the one or more adjustments to the one or more of the plurality of adjustable filters in the filtering component, wherein applying at least some of the one or more adjustments to the first filter or the second filter requires one or more modifications to the third filter.

2. The method of claim 1 , wherein the first stream and the second stream comprise a cable downstream and a cable upstream.

3. The method of claim 1 , wherein the first stream comprises a cable upstream and the first filter comprises a reprogrammable low-pass filter (LPF).

4. The method of claim 1 , wherein the second stream comprises a cable downstream and the second filter comprises a reprogrammable high-pass filter (HPF).

5. The method of claim 1 , wherein the one or more adjustments comprise adjusting one or more cut-off frequencies applicable to one or more of the plurality of adjustable filters in the filtering component.

6. The method of claim 1 , comprising measuring or estimating leakage in the filtering component.

7. The method of claim 6 , comprising estimating the leakage in the filtering component based on analysis of digital baseband signals corresponding to signals transmitted or received by the transceiver, using the filtering component.

8. The method of claim 6 , comprising determining based on the measured or estimated leakage, a leakage compensation that is applicable to signals received using the filtering component.

9. The method of claim 8 , comprising applying the determined leakage compensation by subtracting it from the signals received using the filtering component.

10. A system, comprising:

one or more circuits for use in a transceiver, wherein:

the one or more circuits comprise a signal processing component and a filtering component;

the signal processing component is operable to determine one or more adjustments that are applicable to one or more of a plurality of adjustable filters in the filtering component, wherein:

the plurality of adjustable filters comprises:

a first filter that is configured for filtering signals corresponding to a first frequency band associated with a first stream,

a second filter that is configured for filtering signals corresponding to a second frequency band associated with a second stream, and

a third filter that is configured for filtering signals corresponding to a third frequency band associated with a third stream; and

the one or more adjustments correspond to modifications in one or both of the first frequency band and the second frequency band;

the signal processing component is operable to communicate the one or more adjustments to the filtering component; and

the filtering component is operable to apply the one or more one or more adjustments to the one or more of the plurality of adjustable filters in the filtering component, wherein applying at least some of the one or more adjustments to the first filter or the second filter requires one or more modifications to the third filter.

11. The system of claim 10 , wherein the first stream and the second stream comprise a cable downstream and a cable upstream.

12. The system of claim 10 , wherein the first stream comprises a cable upstream and the first filter comprises a reprogrammable low-pass filter (LPF).

13. The system of claim 10 , wherein the second stream comprises a cable downstream and the second filter comprises a reprogrammable high-pass filter (HPF).

14. The system of claim 10 , wherein the one or more adjustments comprise adjusting one or more cut-off frequencies applicable to one or more of the plurality of adjustable filters in the filtering component.

15. The system of claim 10 , wherein the signal processing component is operable to measure or estimate leakage in the filtering component.

16. The system of claim 15 , wherein the signal processing component is operable to estimate the leakage in the filtering component based on analysis of digital baseband signals corresponding to signals transmitted or received by the transceiver, using the filtering component.

17. The system of claim 15 , wherein the signal processing component is operable to determine based on the measured or estimated leakage, a leakage compensation that is applicable to signals received using the filtering component.

18. The system of claim 17 , wherein the signal processing component is operable to apply the determined leakage compensation by subtracting it from the signals received using the filtering component.