Systems and methods for assigning bit rate

• US 9,913,167 B2
• Filed: 02/02/2016
• Issued: 03/06/2018
• Est. Priority Date: 02/02/2015
• Status: Active Grant

• Current Assignee: Accelerated Media Technologies, Inc. (ZMG Ruckus Factory)
• Original Assignee: Accelerated Media Technologies, Inc. (ZMG Ruckus Factory)
• Inventors: Freeman, Dudley C., Blanchard, Scott David, Lillie, Andrew George, Noronha, Ciro Aloisio, Slattery, William Anthony, Jennings, Thomas P., DeFala, Steven Paul
• Primary Examiner(s): Haile, Feben M
• Application Number:
  US15/013,982
• Publication Number:
  US 20160227435A1
• Time in Patent Office: 763 Days
• CPC Class Codes: H04L 1/0009 by adapting the channel coding H04L1/1812 takes precedence
• CPC Class Codes: H04L 1/004 by using forward error control H04L1/0618 takes precedence; coding, decoding or code conversion, for error detection or correction H03M13/00
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 28/02 Traffic management, e.g. flow control or congestion control
• CPC Class Codes: H04W 28/0231 based on communication conditions dynamic wireless traffic scheduling definition based on channel quality criteria H04W72/54
• CPC Class Codes: H04W 28/0252 per individual bearer or channel dynamic wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 4/06 Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/542 using measured or perceived quality

Abstract

A system comprising: a plurality of network modems configured to communicate wirelessly with a base station; and a plurality of subsystems corresponding respectively to the plurality of network modems, each subsystem in the plurality of subsystems being configured to provide data packets to the corresponding network modem to be transmitted wirelessly to the base station, the subsystem comprising at least one video encoder configured to receive at least one input video signal and provide at least some of the data packets based on the at least one input video signal; and at least one controller configured to assign respective bit rates to at least some subsystems in the plurality of subsystems.

Claims

1. A system comprising:

a plurality of network modems configured to communicate wirelessly with a base station; and

a plurality of subsystems corresponding respectively to the plurality of network modems, each subsystem in the plurality of subsystems being configured to provide data packets to the corresponding network modem to be transmitted wirelessly to the base station, the subsystem comprising at least one video encoder configured to receive at least one input video signal and provide at least some of the data packets based on the at least one input video signal; and

at least one controller configured to assign respective bit rates to at least some subsystems in the plurality of subsystems, wherein the at least one controller is configured to;

determine that a first bit rate assigned to a first subsystem exceeds a first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem; and

in response to determining that the first bit rate assigned to the first subsystem exceeds the first bandwidth, reduce the first bit rate assigned to the first subsystem and increase a second bit rate assigned to a second subsystem, wherein the plurality of subsystems comprises a first subset of subsystems and a second subset of subsystems, and wherein;

the at least one controller is configured to reduce respective bit rates assigned to subsystems in the first subset of subsystems, the first subset of subsystems comprising the first subsystem;

the at least one controller is configured to increase respective bit rates assigned to subsystems in the second subset of subsystems, the second subset of subsystems comprising the second subsystem;

an aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches an aggregate amount by which the bit rates of subsystems in the first subset of subsystems are reduced; and

the at least one controller is configured to determine an initial value for the first bit rate based at least in part on an overall bandwidth for the base station and a ratio between a first measure of input video complexity of the first subsystem and an aggregate measure of input video complexity of the plurality of subsystems.

2. The system of claim 1, wherein the at least one controller is configured to reduce the first bit rate assigned to the first subsystem to match the first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem.

3. The system of claim 1, wherein a ratio between a second amount by which the second bit rate is increased and the aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches a ratio between a second measure of input video complexity of the second subsystem and an aggregate measure of input video complexity of the second plurality of subsystems.

4. A method comprising acts of:

communicating, via a plurality of network modems, wirelessly with a base station, wherein the plurality of network modems correspond respectively to a plurality of subsystems; and

providing, by each subsystem in the plurality of subsystems, data packets to the corresponding network modem to be transmitted wirelessly to the base station, the subsystem comprising at least one video encoder that receives at least one input video signal and provides at least some of the data packets based on the at least one input video signal; and

assigning respective bit rates to at least some subsystems in the plurality of subsystems, comprising;

determining that a first bit rate assigned to a first subsystem exceeds a first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem; and

in response to determining that the first bit rate assigned to the first subsystem exceeds the first bandwidth, reducing the first bit rate assigned to the first subsystem and increasing a second bit rate assigned to a second subsystem, wherein the plurality of subsystems comprises a first subset of subsystems and a second subset of subsystems, and wherein assigning respective bit rates to at least some subsystems in the plurality of subsystems further comprises;

reducing respective bit rates assigned to subsystems in the first subset of subsystems, the first subset of subsystems comprising the first subsystem;

increasing respective bit rates assigned to subsystems in the second subset of subsystems, the second subset of subsystems comprising the second subsystem, wherein an aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches an aggregate amount by which the bit rates of subsystems in the first subset of subsystems are reduced; and

determining an initial value for the first bit rate based at least in part on an overall bandwidth for the base station and a ratio between a first measure of input video complexity of the first subsystem and an aggregate measure of input video complexity of the plurality of subsystems.

5. The method of claim 4, wherein the first bit rate assigned to the first subsystem is reduced to match the first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem.

6. The method of claim 4, wherein a ratio between a second amount by which the second bit rate is increased and the aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches a ratio between a second measure of input video complexity of the second subsystem and an aggregate measure of input video complexity of the second plurality of subsystems.

7. At least one non-transitory computer-readable medium having encoded thereon executable instructions that, when executed by at least one processor, cause the at least one processor to a method comprising acts of:

communicating, via a plurality of network modems, wirelessly with a base station, wherein the plurality of network modems correspond respectively to a plurality of subsystems; and

providing, by each subsystem in the plurality of subsystems, data packets to the corresponding network modem to be transmitted wirelessly to the base station, the subsystem comprising at least one video encoder that receives at least one input video signal and provides at least some of the data packets based on the at least one input video signal; and

assigning respective bit rates to at least some subsystems in the plurality of subsystems, comprising;

determining that a first bit rate assigned to a first subsystem exceeds a first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem; and

in response to determining that the first bit rate assigned to the first subsystem exceeds the first bandwidth, reducing the first bit rate assigned to the first subsystem and increasing a second bit rate assigned to a second subsystem, wherein the plurality of subsystems comprises a first subset of subsystems and a second subset of subsystems, and wherein assigning respective bit rates to at least some subsystems in the plurality of subsystems further comprises;

reducing respective bit rates assigned to subsystems in the first subset of subsystems, the first subset of subsystems comprising the first subsystem;

increasing respective bit rates assigned to subsystems in the second subset of subsystems, the second subset of subsystems comprising the second subsystem, wherein an aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches an aggregate amount by which the bit rates of subsystems in the first subset of subsystems are reduced; and

determining an initial value for the first bit rate based at least in part on an overall bandwidth for the base station and a ratio between a first measure of input video complexity of the first subsystem and an aggregate measure of input video complexity of the plurality of subsystems.

8. The at least one non-transitory computer-readable medium of claim 7, wherein the first bit rate assigned to the first subsystem is reduced to match the first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem.

9. The at least one non-transitory computer-readable medium of claim 7, wherein a ratio between a second amount by which the second bit rate is increased and the aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches a ratio between a second measure of input video complexity of the second subsystem and an aggregate measure of input video complexity of the second plurality of subsystems.

10. A system comprising:

a plurality of network modems configured to communicate wirelessly with a base station; and

a plurality of subsystems corresponding respectively to the plurality of network modems, each subsystem in the plurality of subsystems being configured to provide data packets to the corresponding network modem to be transmitted wirelessly to the base station, the subsystem comprising at least one video encoder configured to receive at least one input video signal and provide at least some of the data packets based on the at least one input video signal; and

at least one controller configured to assign respective bit rates to at least some subsystems in the plurality of subsystems, wherein the at least one controller is configured to;

determine that a first bit rate assigned to a first subsystem exceeds a first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem; and

in response to determining that the first bit rate assigned to the first subsystem exceeds the first bandwidth, reduce the first bit rate assigned to the first subsystem and increase a second bit rate assigned to a second subsystem, wherein the plurality of subsystems comprises a first subset of subsystems and a second subset of subsystems, and wherein;

the at least one controller is configured to reduce respective bit rates assigned to subsystems in the first subset of subsystems, the first subset of subsystems comprising the first subsystem;

the at least one controller is configured to increase respective bit rates assigned to subsystems in the second subset of subsystems, the second subset of subsystems comprising the second subsystem;

an aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches an aggregate amount by which the bit rates of subsystems in the first subset of subsystems are reduced; and

a ratio between a second amount by which the second bit rate is increased and the aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches a ratio between a second measure of input video complexity of the second subsystem and an aggregate measure of input video complexity of the second plurality of subsystems.

11. The system of claim 10, wherein the at least one controller is configured to reduce the first bit rate assigned to the first subsystem to match the first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem.

12. The system of claim 10, wherein the at least one controller is configured to determine an initial value for the first bit rate based at least in part on an overall bandwidth for the base station and a ratio between a first measure of input video complexity of the first subsystem and an aggregate measure of input video complexity of the plurality of subsystems.

13. A method comprising acts of:

communicating, via a plurality of network modems, wirelessly with a base station, wherein the plurality of network modems correspond respectively to a plurality of subsystems; and

providing, by each subsystem in the plurality of subsystems, data packets to the corresponding network modem to be transmitted wirelessly to the base station, the subsystem comprising at least one video encoder that receives at least one input video signal and provides at least some of the data packets based on the at least one input video signal; and

assigning respective bit rates to at least some subsystems in the plurality of subsystems, comprising;

determining that a first bit rate assigned to a first subsystem exceeds a first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem; and

in response to determining that the first bit rate assigned to the first subsystem exceeds the first bandwidth, reducing the first bit rate assigned to the first subsystem and increasing a second bit rate assigned to a second subsystem, wherein the plurality of subsystems comprises a first subset of subsystems and a second subset of subsystems, and wherein assigning respective bit rates to at least some subsystems in the plurality of subsystems further comprises;

reducing respective bit rates assigned to subsystems in the first subset of subsystems, the first subset of subsystems comprising the first subsystem; and

increasing respective bit rates assigned to subsystems in the second subset of subsystems, the second subset of subsystems comprising the second subsystem, wherein an aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches an aggregate amount by which the bit rates of subsystems in the first subset of subsystems are reduced, and wherein a ratio between a second amount by which the second bit rate is increased and the aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches a ratio between a second measure of input video complexity of the second subsystem and an aggregate measure of input video complexity of the second plurality of subsystems.

14. The method of claim 13, wherein the first bit rate assigned to the first subsystem is reduced to match the first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem.

15. The method of claim 13, wherein assigning respective bit rates to at least some subsystems in the plurality of subsystems further comprises:

determining an initial value for the first bit rate based at least in part on an overall bandwidth for the base station and a ratio between a first measure of input video complexity of the first subsystem and an aggregate measure of input video complexity of the plurality of subsystems.

16. At least one non-transitory computer-readable medium having encoded thereon executable instructions that, when executed by at least one processor, cause the at least one processor to a method comprising acts of:

communicating, via a plurality of network modems, wirelessly with a base station, wherein the plurality of network modems correspond respectively to a plurality of subsystems; and

providing, by each subsystem in the plurality of subsystems, data packets to the corresponding network modem to be transmitted wirelessly to the base station, the subsystem comprising at least one video encoder that receives at least one input video signal and provides at least some of the data packets based on the at least one input video signal; and

assigning respective bit rates to at least some subsystems in the plurality of subsystems, comprising;

determining that a first bit rate assigned to a first subsystem exceeds a first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem; and

in response to determining that the first bit rate assigned to the first subsystem exceeds the first bandwidth, reducing the first bit rate assigned to the first subsystem and increasing a second bit rate assigned to a second subsystem, wherein the plurality of subsystems comprises a first subset of subsystems and a second subset of subsystems, and wherein assigning respective bit rates to at least some subsystems in the plurality of subsystems further comprises;

reducing respective bit rates assigned to subsystems in the first subset of subsystems, the first subset of subsystems comprising the first subsystem; and

increasing respective bit rates assigned to subsystems in the second subset of subsystems, the second subset of subsystems comprising the second subsystem, wherein an aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches an aggregate amount by which the bit rates of subsystems in the first subset of subsystems are reduced, and wherein a ratio between a second amount by which the second bit rate is increased and the aggregate amount by which the bit rates of subsystems in the second subset of subsystems are increased matches a ratio between a second measure of input video complexity of the second subsystem and an aggregate measure of input video complexity of the second plurality of subsystems.

17. The at least one non-transitory computer-readable medium of claim 16, wherein the first bit rate assigned to the first subsystem is reduced to match the first bandwidth available on a wireless link between the base station and the network modem corresponding to the first subsystem.

18. The at least one non-transitory computer-readable medium of claim 16, wherein assigning respective bit rates to at least some subsystems in the plurality of subsystems further comprises:

determining an initial value for the first bit rate based at least in part on an overall bandwidth for the base station and a ratio between a first measure of input video complexity of the first subsystem and an aggregate measure of input video complexity of the plurality of subsystems.