IP Library › Granted Patent US 9,742,572
Granted Patent B2
US 9,742,572 · App. 14/984,318 · Granted Aug 22, 2017

Upstream RF input level scaling

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Quick Facts
Patent No.
US 9,742,572
App. No.
14/984,318
Granted
Aug 22, 2017
Kind
B2
Abstract

Embodiments include systems and methods for scaling power level of an upstream signal by a device processor of a head-end device in a communication network. In embodiments, the device processor may determine a power level of the signal received at the head-end device from a client device. The device processor may determine a difference between the power level of the received signal and a target power level of an analog-to-digital converter of the head-end device, and may adjust the power level of the received signal at the head-end device based on the determined difference. In embodiments, the device processor may determine a power level of an upstream signal to be received by the head-end device, may determine a difference between the power level of the received signal and the target power level, and may adjust the power level of a received signal at the head-end device based on the determined difference.

Claims (128)

1. A method of scaling a power level of an upstream signal, comprising:

determining a power level of a signal comprising a plurality of bursts received at a head-end device from a client device;

determining a difference between the power level of each of the plurality of bursts of the received signal and a target power level of an analog-to-digital converter of the head-end device on a burst-by-burst basis; and

adjusting the power level of the received signal at the head-end device based on the determined difference.

2. The method of claim 1 , further comprising providing the received signal with the adjusted power level to the analog-to-digital converter of the head-end device.

3. The method of claim 1 , wherein adjusting the power level of the received signal at the head-end device based on the determined difference comprises adjusting the power level of a burst of the received signal at the head-end device based on the determined difference.

4. The method of claim 3 , wherein adjusting the power level of a burst of the received signal at the head-end device based on the determined difference comprises adjusting the power level of each of a plurality of bursts of the receive signal on a burst-by-burst basis based on the determined difference.

5. The method of claim 1 , wherein determining the difference between the power level of the received signal and the target power level comprises comparing the determined power level of the received signal to the target power level of the analog-to-digital converter.

6. The method of claim 5 , wherein comparing the determined power level of the received signal and the target power level of the analog-to-digital converter comprises comparing the determined power level of each of a plurality of bursts of the received signal on a burst-by-burst basis to the target power level of the analog-to-digital converter.

7. The method of claim 1 , wherein determining the power level of the signal received at the head-end device from the client device comprises:

determining a power level over time of one or more previously-received bursts of the received signal; and

wherein determining a difference between the power level of the received signal and a target power level comprises:

determining a difference between the power level over time of the received signal and the target power level.

8. The method of claim 7 , wherein adjusting the power level of the receive signal at the head-end device based on the determined difference comprises:

adjusting the power level of the receive signal at the head-end device based on the determined difference between the power level over time of one or more previously-received bursts of the received signal and the target power level.

9. A method of scaling a power level of an upstream signal, comprising:

determining a power level of each of a plurality of signals received at a head-end device from a client device, wherein each of the plurality of signals is received from one of a plurality of client devices;

determining a difference between the power level of each received signal and a target power level; and

adjusting the power level of each received signal individually at the head-end device based on the determined difference of each signal.

10. A method of scaling a power level of an upstream signal, comprising:

determining, at a head-end device, a power level of an upstream signal to be sent from a client device to the head-end device;

determining, at the head-end device, a difference between the power level of the upstream signal and a target power level of an analog-to-digital converter of the head-end device;

receiving the upstream signal from the client device at the head-end device; and

adjusting a power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level.

11. The method of claim 10 , further comprising:

receiving one or more scheduling requests from the client device at the head-end device;

wherein determining a power level of an upstream signal to be sent from the client device to the head-end device comprises:

determining the power level of the upstream signal to be sent from the client device to the head-end device based on the one or more scheduling requests.

12. The method of claim 10 , wherein determining the difference between the power level of the upstream signal and the target power level of the analog-to-digital converter comprises comparing the determined power level of the upstream signal to the target power level of the analog-to-digital converter.

13. The method of claim 10 , further comprising:

determining a power level of a signal received at the head-end device from the client device; and

determining a difference between the power level of the received signal and the target power level of the analog-to-digital converter; wherein

adjusting the power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of the received signal at the head-end device based on one or more of the determined difference the between the power level of the upstream signal and the target power level, and the determined difference between the power level of the received signal and the target power level.

14. The method of claim 10 , wherein:

determining the power level of the upstream signal to be sent from a client device to a head-end device comprises determining a power level of a plurality of upstream signals, wherein each upstream signal is to be sent from one of a plurality of client devices;

determining the difference between the power level of the upstream signal and the target power level of the analog-to-digital converter of the head-end device comprises determining a difference between the power level of each received signal and the target power level of the analog-to-digital converter; and

adjusting the power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of each received signal individually at the head-end device based on the determined difference of each signal.

15. The method of claim 10 , wherein determining a power level of an upstream signal to be sent from a client device to a head-end device comprises:

receiving a maximum transmit power capability of the client device; and

determining a power level of one or more previously-received upstream signals;

wherein determining a difference between the power level of the upstream signal and a target power level of an analog-to-digital converter of the head-end device comprises:

determining whether the maximum transmit power capability of the client device and the power level of the one or more previously-received upstream signals are substantially the same;

determining a value to adjust the power level of the received upstream signal in response to determining that the maximum transmit power capability of the client device and the power level of the one or more previously-received upstream signals are substantially the same; and

wherein adjusting a power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of the received signal using the determined value.

16. A method of scaling a power level of an upstream signal, comprising:

determining, at a head-end device, a power level of an upstream signal to be sent from a client device to the head-end device;

determining, at the head-end device, a difference between the power level of the upstream signal and a target power level of an analog-to-digital converter of the head-end device;

receiving the upstream signal from the client device at the head-end device;

determining a power level of the received signal;

determining a difference between the power level of the received signal and the target power level of the analog-to-digital converter of the head-end device; and

adjusting the power level of the received signal at the head-end device based on one or more of the determined difference between the power level of the upstream signal and the target power level, and the determined difference between the determined power level of the received signal and the target power level.

17. A head-end device, comprising:

a signal input;

an analog-to-digital converter;

a level scaler; and

a controller coupled to the signal input, the analog-to-digital converter, and the level scaler, and configured with processor-executable instructions to perform operations comprising:

determining a power level of a signal received at the signal input from a client device;

determining a difference between the power level of the received signal and a target power level of the analog-to-digital converter by comparing the determined power level of each of a plurality of bursts of the received signal on a burst-by-burst basis to the target power level of the analog-to-digital converter; and

adjusting the power level of the received signal at the level scaler based on the determined difference.

18. The head-end device of claim 17 , wherein the controller is configured with processor-executable instructions to perform operations further comprising providing the received signal with the adjusted power level to the analog-to-digital converter.

19. The head-end device of claim 17 , wherein the controller is configured with processor-executable instructions to perform operations such that determining the difference between the power level of the received signal and the target power level of the analog-to-digital converter of the head-end device comprises determining the difference between the power level of a burst of the received signal and the target power level of the analog-to-digital converter of the head-end device.

20. The head-end device of claim 17 , wherein the controller is configured with processor-executable instructions to perform operations such that determining the difference between the power level of a burst of the received signal and the target power level of the analog-to-digital converter of the head-end device comprises determining the difference between the power level of each of a plurality of bursts of the received signal and the target power level of the analog-to-digital converter of the head-end device on a burst-by-burst basis.

21. The head-end device of claim 19 , wherein the controller is configured with processor-executable instructions to perform operations such that adjusting the power level of the received signal at the head-end device based on the determined difference comprises adjusting the power level of a burst of the received signal at the head-end device based on the determined difference.

22. The head-end device of claim 21 , wherein the controller is configured with processor-executable instructions to perform operations such that adjusting the power level of a burst of the received signal at the head-end device based on the determined difference comprises adjusting the power level of each of a plurality of bursts of the receive signal on a burst-by-burst basis based on the determined difference.

23. The head-end device of claim 17 , wherein the controller is configured with processor-executable instructions to perform operations such that determining the power level of the signal received at the head-end device from the client device comprises:

determining a power level over time of one or more previously-received bursts of the received signal; and

determining a difference between the power level of the received signal and a target power level comprises:

determining a difference between the power level over time of the received signal and the target power level.

24. The head-end device of claim 23 , wherein the controller is configured with processor-executable instructions to perform operations such that adjusting the power level of the receive signal at the head-end device based on the determined difference comprises:

adjusting the power level of the receive signal at the head-end device based on the determined difference between the power level over time of one or more previously-received bursts of the received signal and the target power level.

25. The head-end device of claim 17 , further comprising:

a scheduler coupled to the controller;

wherein the controller is configured with processor-executable instructions to perform operations further comprising:

determining a power level of an upstream signal to be sent from the client device to a head-end device; and

determining a difference between the power level of the upstream signal and the target power level of an analog-to-digital converter of the head-end device;

wherein adjusting the power level of the received signal at the level scaler based on the determined difference comprises adjusting the power level of the received signal at the level scaler based on one or more of the determined difference between the power level of the upstream signal and the target power level, and the determined difference between the power level of the received signal and the target power level.

26. The head-end device of claim 25 , wherein the controller is configured with processor-executable instructions to perform operations further comprising:

receiving one or more scheduling requests from the client device at the head-end device;

wherein determining a power level of an upstream signal to be sent from the client device to the head-end device comprises:

determining the power level of the upstream signal to be sent from the client device to the head-end device based on the one or more scheduling requests.

27. The head-end device of claim 26 , wherein the controller is configured with processor-executable instructions to perform operations such that determining the difference between the power level of the upstream signal and the target power level of the analog-to-digital converter comprises comparing the determined power level of the upstream signal to the target power level of the analog-to-digital converter.

28. The head-end device of claim 25 , wherein:

determining the power level of the upstream signal to be sent from a client device to a head-end device comprises determining a power level of a plurality of upstream signals, wherein each upstream signal is to be sent from one of a plurality of client devices;

determining the difference between the power level of the upstream signal and the target power level of the analog-to-digital converter of the head-end device comprises determining a difference between the power level of each received signal and the target power level of the analog-to-digital converter; and

adjusting the power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of each received signal individually at the head-end device based on the determined difference of each signal.

29. The head-end device of claim 25 , wherein determining a power level of an upstream signal to be sent from a client device to a head-end device comprises:

receiving a maximum transmit power capability of the client device; and

determining a power level of one or more previously-received upstream signals;

wherein determining a difference between the power level of the upstream signal and a target power level of an analog-to-digital converter of the head-end device comprises:

determining whether the maximum transmit power capability of the client device and the power level of the one or more previously-received upstream signals are substantially the same;

determining a value to adjust the power level of the received upstream signal in response to determining that the maximum transmit power capability of the client device and the power level of the one or more previously-received upstream signals are substantially the same; and

wherein adjusting a power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of the received signal using the determined value.

30. A head-end device, comprising:

a signal input;

an analog-to-digital converter;

a level scaler; and

a controller coupled to the signal input, the analog-to-digital converter, and the level scaler, and configured with processor-executable instructions to perform operations comprising:

determining a power level of each of a plurality of signals received at a head-end device from a client device, wherein each of the plurality of signals is received from one of a plurality of client devices;

determining a difference between the power level of each received signal and a target power level; and

adjusting the power level of each received signal individually at the head-end device based on the determined difference of each signal.

31. A non-transitory processor-readable storage medium having stored thereon processor-executable software instructions configured to cause a controller to perform operations comprising:

determining, at a head-end device, a power level of an upstream signal to be sent from a client device to the head-end device;

determining, at the head-end device, a difference between the power level of the upstream signal and a target power level of an analog-to-digital converter of the head-end device;

receiving the upstream signal from the client device at the head-end device; and

adjusting a power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level.

32. The non-transitory processor-readable storage medium of claim 31 , wherein the stored processor-executable software instructions are configured to cause a controller to perform operations further comprising:

receiving one or more scheduling requests from the client device at the head-end device;

wherein determining a power level of an upstream signal to be sent from the client device to the head-end device comprises:

determining the power level of the upstream signal to be sent from the client device to the head-end device based on the one or more scheduling requests.

33. The non-transitory processor-readable storage medium of claim 31 , wherein the stored processor-executable software instructions are configured to cause a controller to perform operations further comprising:

determining a power level of a signal received at the head-end device from the client device; and

determining a difference between the power level of the received signal and the target power level of the analog-to-digital converter; wherein

adjusting the power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of the received signal at the head-end device based on one or more of the determined difference the between the power level of the upstream signal and the target power level, and the determined difference between the power level of the received signal and the target power level.

34. The non-transitory processor-readable storage medium of claim 31 , wherein the stored processor-executable software instructions are configured to cause a controller to perform operations such that:

determining the power level of the upstream signal to be sent from a client device to a head-end device comprises determining a power level of a plurality of upstream signals, wherein each upstream signal is to be sent from one of a plurality of client devices;

determining the difference between the power level of the upstream signal and the target power level of the analog-to-digital converter of the head-end device comprises determining a difference between the power level of each received signal and the target power level of the analog-to-digital converter; and

adjusting the power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of each received signal individually at the head-end device based on the determined difference of each signal.

35. The non-transitory processor-readable storage medium of claim 31 , wherein the stored processor-executable software instructions are configured to cause a controller to perform operations such that determining a power level of an upstream signal to be sent from a client device to a head-end device comprises:

receiving a maximum transmit power capability of the client device; and

determining a power level of one or more previously-received upstream signals;

wherein determining a difference between the power level of the upstream signal and a target power level of an analog-to-digital converter of the head-end device comprises:

determining whether the maximum transmit power capability of the client device and the power level of the one or more previously-received upstream signals are substantially the same;

determining a value to adjust the power level of the received upstream signal in response to determining that the maximum transmit power capability of the client device and the power level of the one or more previously-received upstream signals are substantially the same; and

wherein adjusting a power level of the received signal at the head-end device based on the determined difference between the power level of the upstream signal and the target power level comprises adjusting the power level of the received signal using the determined value.

36. A non-transitory processor-readable storage medium having stored thereon processor-executable software instructions configured to cause a controller to perform operations comprising:

determining a power level of each of a plurality of signals received at a head-end device from a client device, wherein each of the plurality of signals is received from one of a plurality of client devices;

determining a difference between the power level of each received signal and a target power level; and

adjusting the power level of each received signal individually at the head-end device based on the determined difference of each signal.

Assignments (5)
SECURITY INTEREST Recorded Jul 25, 2018
From: BRIGHT HOUSE NETWORKS, LLC; CHARTER COMMUNICATIONS OPERATING, LLC; TIME WARNER CABLE ENTERPRISES LLC; TIME WARNER CABLE INTERNET LLC
To: WELLS FARGO TRUST COMPANY, N.A.
Reel/Frame 046630/0193 →
SECURITY INTEREST Recorded Jul 17, 2018
From: ADCAST NORTH CAROLINA CABLE ADVERTISING, LLC; ALABANZA LLC; AMERICA'S JOB EXCHANGE LLC; COAXIAL COMMUNICATIONS OF CENTRAL OHIO LLC; DUKENET COMMUNICATIONS HOLDINGS, LLC; DUKENET COMMUNICATIONS, LLC; ICI HOLDINGS, LLC; INSIGHT BLOCKER LLC; INSIGHT CAPITAL LLC; INSIGHT COMMUNICATIONS COMPANY LLC; INSIGHT COMMUNICATIONS COMPANY, L.P; INSIGHT COMMUNICATIONS MIDWEST, LLC; INSIGHT COMMUNICATIONS OF CENTRAL OHIO, LLC; INSIGHT COMMUNICATIONS OF KENTUCKY, L.P.; INSIGHT INTERACTIVE, LLC; INSIGHT KENTUCKY CAPITAL, LLC; INSIGHT KENTUCKY PARTNERS I, L.P.; INSIGHT KENTUCKY PARTNERS II, L.P.; INSIGHT MIDWEST HOLDINGS, LLC; INSIGHT MIDWEST, L.P.; INSIGHT PHONE OF INDIANA, LLC; INSIGHT PHONE OF KENTUCKY, LLC; INSIGHT PHONE OF OHIO, LLC; INTERACTIVE CABLE SERVICES, LLC; INTREPID ACQUISITION LLC; NAVISITE LLC; NEW WISCONSIN PROCUREMENT LLC; OCEANIC TIME WARNER CABLE LLC; PARITY ASSETS, LLC; TIME WARNER CABLE BUSINESS LLC; TIME WARNER CABLE ENTERPRISES LLC; TIME WARNER CABLE INFORMATION SERVICES (ALABAMA), LLC; 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FALCON VIDEO COMMUNICATIONS, L.P.; HELICON PARTNERS I, L.P.; HOMETOWN T.V., LLC; HPI ACQUISITION CO. LLC; INTERLINK COMMUNICATIONS PARTNERS, LLC; LONG BEACH, LLC; MARCUS CABLE ASSOCIATES, L.L.C.; MARCUS CABLE OF ALABAMA, L.L.C.; MARCUS CABLE, LLC; MIDWEST CABLE COMMUNICATIONS, LLC; PEACHTREE CABLE TV, L.P.; PEACHTREE CABLE TV, LLC; PHONE TRANSFERS (AL), LLC; PHONE TRANSFERS (CA), LLC; PHONE TRANSFERS (GA), LLC; PHONE TRANSFERS (NC), LLC; PHONE TRANSFERS (TN), LLC; PHONE TRANSFERS (VA), LLC; PLATTSBURGH CABLEVISION, LLC; RENAISSANCE MEDIA LLC; RIFKIN ACQUISITION PARTNERS, LLC; ROBIN MEDIA GROUP, LLC; SCOTTSBORO TV CABLE, LLC TENNESSEE, LLC; THE HELICON GROUP, L.P.; VISTA BROADBAND COMMUNICATIONS, LLC; VOIP TRANSFERS (AL), LLC; VOIP TRANSFERS (CA) LLC; VOIP TRANSFERS (GA), LLC; VOIP TRANSFERS (NC), LLC; VOIP TRANSFERS (TN), LLC; VOIP TRANSFERS (VA), LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
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CHANGE OF APPLICANT'S ADDRESS Recorded Jul 28, 2017
From: TIME WARNER CABLE ENTERPRISES LLC
To: TIME WARNER CABLE ENTERPRISES LLC
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SECURITY INTEREST Recorded May 18, 2016
From: BRIGHT HOUSE NETWORKS, LLC; CHARTER COMMUNICATIONS OPERATING, LLC; TIME WARNER CABLE ENTERPRISES LLC
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
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ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 12, 2016
From: BROOKS, PAUL D.; WOLFF, PETER
To: TIME WARNER CABLE ENTERPRISES LLC
Reel/Frame 037462/0709 →