Systems and methods for extended spectrum cable network

Patent metadata

Field	Value
Publication number	US-11296911-B2
Application number	US-201916268341-A
Country	US
Kind code	B2
Filing date	Feb 5, 2019
Priority date	Feb 5, 2019
Publication date	Apr 5, 2022
Grant date	Apr 5, 2022

Abstract

In various embodiment, the disclosed systems, methods, and apparatuses describe extending the usage spectrum for cable networks (e.g., hybrid fiber-coaxial networks). In particular, embodiments of the disclosure described determining a first portion of a signal having a first frequency band, the first frequency band being greater than approximately 1.2 GHz; determining a second portion of the signal having a second frequency band, the second frequency band being less than or equal to approximately 1.2 GHz; applying an attenuation to the first portion of the signal; and transmitting the second portion of the signal at a flat power-spectral density. Various other related systems, methods, and apparatuses are described.

First claim

What is claimed is:

1. A device, comprising:
at least one memory that stores computer-executable instructions; and
at least one processor configured to access the at least one memory, wherein the at least one processor is configured to execute the computer-executable instructions to:
determine a first portion of a signal having a first frequency band, the first frequency band being greater than approximately 1.2 GHz;
determine a second portion of the signal having a second frequency band, the second frequency band being less than or equal to approximately 1.2 GHz;
cause to apply an attenuation to the second portion of the signal, wherein the second portion of the signal is tilted; and
cause to transmit the first portion of the signal at a flat power-spectral density.

2. The device of claim 1 , wherein the at least one processor is further configured to execute the computer-executable instructions to transmit the first portion of the signal using an orthogonal frequency division multiplexing (OFDM) multiplexing technique.

3. The device of claim 1 , wherein the computer-executable instructions that cause to transmit the second portion of the signal further comprise computer-executable instructions that cause to transmit the first portion of the signal using a non-orthogonal multiple access (NOMA) technique.

4. The device of claim 1 , wherein the at least one processor is further configured to execute the computer-executable instructions to cause the reduction of one or more of an echo, a group delay, or a noise amplitude associated with the first portion of the signal or one or more of an echo, a group delay, or a noise amplitude associated with the second portion of the signal.

5. The device of claim 1 , wherein the at least one processor is further configured to execute the computer-executable instructions to cause to remove a third portion from the second portion of the signal, the third portion having an associated third frequency band from approximately 5 MHz to approximately 15 MHz.

6. The device of claim 1 , wherein the at least one processor is further configured to execute the computer-executable instructions to receive the first portion of the signal or the second portion of the signal from at least one of a remote medium access control (MAC) device or a remote physical layer (PHY) device.

7. The device of claim 1 , wherein the at least one processor is further configured to execute the computer-executable instructions to apply a linear error correcting code to the first portion of the signal or the second portion of the signal.

8. The device of claim 1 , wherein the second portion is tilted by 17 dB.

9. A system, comprising:
a first device, comprising:
at least one first memory that stores first computer-executable instructions; and
at least one first processor configured to access the at least one first memory, wherein the at least one first processor is configured to execute the first computer-executable instructions to:
determine a first portion of a signal having a first frequency band, the first frequency band being greater than approximately 1.2 GHz;
determine a second portion of the signal having a second frequency band, the second frequency band being less than or equal to approximately 1.2 GHz;
cause to apply an attenuation to the second portion of the signal, wherein the second portion of the signal is tilted;
cause to transmit the first portion of the signal at a flat power-spectral density; and

a second device, comprising:
at least one second memory that stores second computer-executable instructions; and at least one second processor configured to access the at least one second memory, wherein the at least one second processor is configured to execute the second computer-executable instructions to:
cause to apply an attenuation to a third portion of the second portion of the signal.

10. The system of claim 9 , wherein the second device includes a cable simulator.

11. The system of claim 9 , wherein the third portion of the second portion of the signal has a third frequency band between approximately 492 MHz and approximately 1.2 GHz or between approximately 684 MHz and approximately 1.2 GHz.

12. The system of claim 9 , further comprising a third device, including: at least one third memory that stores third computer-executable instructions; and at least one third processor configured to access the at least one third memory, wherein the at least one third processor is configured to execute the third computer-executable instructions to: cause to apply an amplification to a fourth portion of the second portion of the signal, and wherein the third device includes a cable equalizer.

13. The system of claim 12 , wherein the fourth portion of the second portion of the signal has a fourth frequency band between approximately 5 MHz and approximately 492 MHz or between approximately 5 MHz and approximately 684 MHz.

14. The system of claim 12 , wherein the at least one first processor is further configured to execute the first computer-executable instructions to transmit the first portion of the signal using an OFDM multiplexing technique.

15. The system of claim 12 , wherein the at least one first processor is further configured to execute the first computer-executable instructions to cause an echo cancellation device to reduce one or more of an echo, a group delay, or a noise amplitude associated with the first portion of the signal or one or more of an echo, a group delay, or a noise amplitude associated with the second portion of the signal.

16. The system of claim 12 , wherein the at least one first processor is further configured to execute the first computer-executable instructions to cause to remove a third portion from the second portion of the signal, the third portion having an associated third frequency band from approximately 5 MHz to approximately 15 MHz.

17. A method, comprising:
determining a first portion of a signal having a first frequency band, the first frequency band being greater than approximately 1.2 GHz;
determining a second portion of the signal having a second frequency band, the second frequency band being less than or equal to approximately 1.2 GHz;
applying an attenuation to the second portion of the signal, wherein the second portion of the signal is tilted; and
transmitting the first portion of the signal at a flat power-spectral density.

18. The method of claim 17 , further comprising transmitting the first portion of the signal using an OFDM multiplexing technique.

19. The method of claim 17 , further comprising reducing one or more of an echo, a group delay, or a noise amplitude associated with the first portion of the signal or reducing one or more of an echo, a group delay, or a noise amplitude associated with the second portion of the signal.

20. The method of claim 17 , further comprising removing a third portion from the second portion of the signal, the third portion having an associated third frequency band from approximately 5 MHz to approximately 15 MHz.

Assignees

• Cox Communications Inc

Inventors

• Finkelstein Jeffrey L

Classifications

• H03M13/13

  Linear codes · CPC title

• H04L2012/6421

  Medium of transmission, e.g. fibre, cable, radio, satellite · CPC title

• H04L25/14 Primary

  Channel dividing arrangements {, i.e. in which a single bit stream is divided between several baseband channels and reassembled at the receiver} · CPC title

• H04L5/0007

  the frequencies being orthogonal, e.g. OFDM(A) or DMT · CPC title

• H03M13/1102

  Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes · CPC title