Band translation with protection of in-home networks

• US 9,635,310 B2
• Filed: 05/05/2014
• Issued: 04/25/2017
• Est. Priority Date: 05/05/2013
• Status: Active Grant

• Current Assignee: Maxlinear Incorporated
• Original Assignee: Maxlinear Incorporated
• Inventors: Chang, Glenn, Pullela, Raja, Ramesh, Sridhar
• Primary Examiner(s): Nguyen, Duc M
• Application Number:
  US14/270,037
• Publication Number:
  US 20140329481A1
• Time in Patent Office: 1,086 Days
• Field of Search: 455132, 455137, 455139, 455230, 4555521, 4555531, 455500, 455 631, 455 633
• CPC Class Codes: H04B 1/0075 using different intermediate frequencied for the different bands
• CPC Class Codes: H04B 1/1027 assessing signal quality or detecting noise/interference for the received signal
• CPC Class Codes: H04B 1/1036 with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters H04B1/123 takes precedence; filter circuits H03H
• CPC Class Codes: H04B 2001/1063 using a notch filter
• CPC Class Codes: H04H 40/18 Arrangements characterised by circuits or components specially adapted for receiving
• CPC Class Codes: H04N 21/436 Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
• CPC Class Codes: H04N 7/106 for domestic distribution
• CPC Class Codes: H04N 7/20 Adaptations for transmission via a GHz frequency band, e.g. via satellite

Abstract

Methods and systems are provided for band translation with protection. A signal processing circuitry (chip) may be configured to handle a plurality of signals, comprising at least a first signal corresponding to internal communication within an in-premises network and at least a second signal originating from a source external to the in-premises network; and to process on-chip the plurality of input signals, to generate one or more output signals. In this regard, at least one output signal may comprise components corresponding to the first signal and the second signal; and the processing may be configured to mitigate on-chip, during generating of the one or more outputs, at least one effect of including in the at least one output signal a first component corresponding to one of the first signal and the second signal on a second component corresponding to the other one of the first signal and the second signal.

Claims

1. A method, comprising:

receiving by a signal processing chip, a plurality of signals, wherein the plurality of signals comprises at least a first signal corresponding to internal communication within an in-premises network and at least a second signal originating from a source external to the in-premises network;

processing on-chip, the plurality of input signals, to generate one or more output signals, wherein at least one output signal comprises components corresponding to the first signal and the second signal; and

mitigating on-chip, during generating of the one or more outputs, at least one effect of including in the at least one output signal a first component corresponding to one of the first signal and the second signal on a second component corresponding to the other one of the first signal and the second signal;

wherein;

the mitigating comprises adjusting one or more characteristics associated with one or both of the first component and the second component, by filtering and applying spectral inversion to one or both of the first component and the second component; and

the mitigating is dynamically activated based on a determination that said at least one effect is occurring.

2. The method of claim 1, wherein the internal communication within the in-premises network comprises Multimedia over Coax Alliance (MoCA) based communication, and the first signal comprises a MoCA signal.

3. The method of claim 1, wherein the source external to the in-premises network comprises a satellite, and the second signal comprises a satellite signal.

4. The method of claim 3, wherein the satellite signal comprises a plurality of components.

5. The method of claim 4, wherein the plurality of components of the satellite signal comprises a first direct broadcast satellite (DBS) component and a second fixed satellite service (FSS) component.

6. The method of claim 1, wherein the at least one effect is caused by having bands corresponding to each of the first component and the second component overlap as a result of the processing of the first signal and the second signal.

7. The method of claim 1, wherein adjusting the one or more characteristics comprises modifying one or more frequency bands, within the at least one output signal, assigned to the one or both of the first component and the second component.

8. The method of claim 1, comprising configuring the mitigating based on and/or to accommodate inclusion of other components in the at least one output signals, corresponding to one or both of the first signal and the second signal.

9. A system, comprising:

one or more circuits for use in a signal processing chip, the one or more circuits being operable to;

receive a plurality of signals, wherein the plurality of signals comprises at least a first signal corresponding to internal communication within an in-premises network and at least a second signal originating from a source external to the in-premises network;

process on-chip, the plurality of input signals, to generate one or more output signals, wherein at least one output signal comprises components corresponding to the first signal and the second signal; and

mitigate on-chip, during generating of the one or more outputs, at least one effect of including into the at least one output signal a first component corresponding to one of the first signal and the second signal on a second component corresponding to the other one of the first signal and the second signal;

wherein;

the mitigating comprises adjusting one or more characteristics associated with one or both of the first component and the second component, by filtering and applying spectral inversion to one or both of the first component and the second component; and

the mitigating is dynamically activated based on a determination that said at least one effect is occurring.

10. The system of claim 9, wherein the internal communication within the in-premises network comprises Multimedia over Coax Alliance (MoCA) based communication, and the first signal comprises a MoCA signal.

11. The system of claim 9, wherein the source external to the in-premises network comprises a satellite, and the second signal comprises a satellite signal.

12. The system of claim 11, wherein the satellite signal comprises a plurality of components.

13. The system of claim 12, wherein the plurality of components of the satellite signal comprises a first direct broadcast satellite (DBS) component and a second fixed satellite service (FSS) component.

14. The system of claim 9, wherein the at least one effect is caused by having bands corresponding to each of the first component and the second component overlap as a result of the processing of the first signal and the second signal.

15. The system of claim 9, wherein adjusting the one or more characteristics comprises modifying one or more frequency bands, within the at least one output signal, assigned to the one or both of the first component and the second component.

16. The system of claim 9, wherein the one or more circuits are operable to configure the mitigating based on and/or to accommodate inclusion of other components in the at least one output signals, corresponding to one or both of the first signal and the second signal.

17. A system, comprising:

a signal processing chip that is configured to handle a plurality of signals, the plurality of signals comprising at least a first signal corresponding to internal communication within an in-premises network and at least a second signal originating from a source external to the in-premises network, the signal processing chip comprising;

a plurality of input circuits, each configured for adaptively handling a corresponding one of the plurality of signals;

one or more processing circuits, configured for processing one or more signals provided by the plurality of input processing paths, the processing comprising combining data carried in the plurality of signals; and

one or more output circuits, configured for generating one or more output signals;

wherein at least one output signal comprises components corresponding to the first signal and the second signal; and

at least one mitigation circuit configured for mitigating on-chip, during generating of the one or more outputs, at least one effect of including into the at least one output signal a first component corresponding to one of the first signal and the second signal on a second component corresponding to the other one of the first signal and the second signal;

wherein;

the mitigating comprises adjusting one or more characteristics associated with one or both of the first component and the second component, by filtering and applying spectral inversion to one or both of the first component and the second component; and

the mitigating is dynamically activated based on a determination that said at least one effect is occurring.