Methods and apparatus for enhancing device performance through flow control

• US 9,398,103 B2
• Filed: 04/15/2011
• Issued: 07/19/2016
• Est. Priority Date: 04/15/2011
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Das, Saumitra Mohan, Vicisano, Lorenzo, Khorashadi, Behrooz, Wang, Bin, Pakzad, Payam, Watson, Mark, Rezaiifar, Ramin
• Primary Examiner(s): NANO, SARGON N
• Application Number:
  US13/088,169
• Publication Number:
  US 20120265897A1
• Time in Patent Office: 1,922 Days
• US Class Current: 1/1
• CPC Class Codes: H04L 67/535 Tracking the activity of the user network monitoring arrangements H04L43/00; recording of computer activity G06F11/34
• CPC Class Codes: H04W 28/06 Optimizing the usage of the radio link, e.g. header compression, information sizing , discarding information system modifying transmission characteristic according to link quality by modifying frame length H04L1/0007; dynamic adaptation of the packet size for flow control or congestion control H04L47/365

Abstract

A method and apparatus for enhancing device performance through transport flow control is provided. The method may include determining that a level of user interest is indicated in at least one application of one or more applications, and modifying a transport flow associated with at least one of the one or more applications.

Claims

1. A method of wireless communications, comprising:

determining a level of user interest in at least one application of one or more applications based on one or more sensors associated with a device, wherein the one or more sensors determine that the at least one application of the one or more applications is active, and wherein the one or more sensors includes one or more of an accelerometer, a user interface, a light sensor, or a gyroscope; and

based on the determination and speculation of user interaction, modifying a transport flow associated with the at least one application of the one or more applications for prioritizing one or more transport flows, wherein the transport flow comprises a Transmission Control Protocol (TCP) flow, and wherein the transport flow is constrained upon;

determining that the device utilized for the wireless communications has transitioned from an inactive mode to an active mode based on the speculation of the user interaction; and

determining that the at least one application of the one or more applications running on the device utilizes a threshold value of available bandwidth.

2. The method of claim 1, wherein the level of user interest is indicated by one or more of:

determining the at least one application of the one or more applications is an interactive application;

determining the at least one application of the one or more applications is in the foreground;

or

one or more user defined settings.

3. The method of claim 1, further comprising:

wherein determining the level of user interest in the at least one application of the one or more applications defines a first interactive application;

determining the level of user interest in a second application of the one or more applications, wherein the second application is not an interactive application; and

wherein the modifying further comprises reducing a second transport flow of the second application in order to prioritize a first transport flow of the first interactive application.

4. The method of claim 1, wherein the modifying further comprises:

prioritizing the transport flow associated with the at least one application of the one or more applications over transport flows not associated with the at least one application of the one or more applications.

5. The method of claim 4, wherein the prioritizing further comprises delaying outbound acknowledgements for the transport flows not associated with the at least one application of the one or more applications by adding a time value to each round trip time (RTT) for the outbound acknowledgements.

6. The method of claim 5, wherein the time value comprises either a constant value or a multiplicative value that proportionally increases RTT for applications other than the at least one application of the one or more applications.

7. The method of claim 1, wherein the modifying further comprises one or more of:

advertising a reduced buffer size for the at least one application of the one or more applications, and

delaying bulk flows for applications other than the at least one application of the one or more applications.

8. A non-transitory computer-readable medium storing computer executable code comprising code to:

determine a level of user interest in at least one application of one or more applications based on one or more sensors associated with a device, wherein the one or more sensors determine that the at least one application of the one or more applications is active, and wherein the one or more sensors includes one or more of an accelerometer, a user interface, a light sensor, or a gyroscope; and

based on the determination and on speculation of user interaction, modify a transport flow associated with the at least one application of the one or more applications for prioritizing one or more transport flows, wherein the transport flow comprises a Transmission Control Protocol (TCP) flow, and wherein the transport flow is constrained upon;

determining a transition from an inactive mode to an active mode based on the speculation of the user interaction; and

determining that the at least one application of the one or more applications running on the device utilizes a threshold value of available bandwidth.

9. The non-transitory computer-readable medium of claim 8, further comprising code to determine one or both of:

that the at least one application of the one or more applications is an interactive application; and

that the at least one application of the one or more applications is in the foreground.

10. The non-transitory computer-readable medium of claim 8, wherein the level of user interest is indicated by one or more user defined settings.

11. The non-transitory computer-readable medium of claim 8, wherein determining the level of user interest in the at least one application of the one or more applications defines a first interactive application, and wherein the non-transitory computer-readable medium further comprises code to:

determine the level of user interest in a second application of the one or more applications, wherein the second application is not an interactive application, and

reduce a second transport flow of the second application in order to prioritize a first transport flow of the first interactive application.

12. The non-transitory computer-readable medium of claim 8, further comprising code to:

prioritize the transport flow associated with the at least one application of the one or more applications over transport flows not associated with the at least one application of the one or more applications.

13. The non-transitory computer-readable medium of claim 12, further comprising code to:

delay outbound acknowledgements for the transport flows not associated with the at least one application of the one or more applications by adding a time value to each round trip time (RTT) for the outbound acknowledgements.

14. The non-transitory computer-readable medium of claim 13, wherein the time value comprises either a constant value or a multiplicative value that proportionally increases RTT for the applications other than the at least one application of the one or more applications.

15. The non-transitory computer-readable medium of claim 8, further comprising code to perform one or both of:

advertise a reduced buffer size for the at least one application of the one or more applications, or

delay bulk flows for applications other than the at least one application of the one or more applications.

16. An apparatus, comprising:

means for determining a level of user interest in at least one application of one or more applications based on one or more sensors associated with a device, wherein the one or more sensors determine that the at least one application of the one or more applications is active, and wherein the one or more sensors includes one or more of an accelerometer, a user interface, a light sensor, or a gyroscope; and

means for, based on the determination and speculation of user interaction, modifying a transport flow associated with the at least one application of the one or more applications for prioritizing one or more transport flows, wherein the transport flow comprises a Transmission Control Protocol (TCP) flow, and wherein the transport flow is constrained upon;

determining that the apparatus has transitioned from an inactive mode to an active mode based on the speculation of the user interaction; and

determining that the at least one application of the one or more applications running on the device utilizes a threshold value of available bandwidth.

17. The apparatus of claim 16, wherein the level of user interest is indicated by one or more of:

means for determining the at least one application of the one or more applications is an interactive application;

means for determining the at least one application of the one or more applications is in the foreground;

or

one or more user defined settings.

18. The apparatus of claim 16, wherein means for determining the level of user interest in the at least one application of the one or more applications defines a first interactive application, further comprising:

means for determining that a level of user interest in a second application of the one or more applications, wherein the second application is not an interactive application; and

wherein the means for modifying further comprises means for reducing a second transport flow of the second application in order to prioritize a first transport flow of the first interactive application.

19. The apparatus of claim 16, wherein the means for modifying further comprises:

means for prioritizing the transport flow associated with the at least one application of the one or more applications over transport flows not associated with the at least one application of the one or more applications.

20. The apparatus of claim 19, wherein the means for prioritizing further comprises means for delaying outbound acknowledgements for the transport flows not associated with the at least one application of the one or more applications by adding a time value to each round trip time (RTT) for the outbound acknowledgements.

21. The apparatus of claim 20, wherein the time value comprises either a constant value or a multiplicative value that proportionally increases RTT for the applications other than the at least one application of the one or more applications.

22. The apparatus of claim 16, wherein the means for modifying further comprises one or both of:

means for advertising a reduced buffer size for the at least one application of the one or more applications, or

means for delaying bulk flows for applications other than the at least one application of the one or more applications.

23. An apparatus for communications, comprising:

a level of interest module operable for;

determining a level of user interest in at least one application of one or more applications based on one or more sensors associated with a device, wherein the one or more sensors determine that the at least one application of the one or more applications is active, and wherein the one or more sensors includes one or more of an accelerometer, a user interface, a light sensor, or a gyroscope; and

a flow modification module operable for;

modifying, based on the determination of the level of interest module and speculation of user interaction, a transport flow associated with the at least one application of the one or more applications for prioritizing one or more transport flows, wherein the transport flow comprises a Transmission Control Protocol (TCP) flow, and wherein the transport flow is constrained upon;

determining that the apparatus has transitioned from an inactive mode to an active mode based on the speculation of the user interaction; and

determining that the at least one application of the one or more applications running on the device utilizes a threshold value of available bandwidth.

24. The apparatus of claim 23, wherein the level of user interest is determined by one or more user defined settings.

25. The apparatus of claim 23, wherein the level of interest module is further operable for determining one or both of:

that the at least one application of the one or more applications is an interactive application;

or

that the at least one application of the one or more applications is in the foreground.

26. The apparatus of claim 23, wherein determining the level of user interest in the at least one application of the one or more applications defines a first interactive application,

wherein the level of interest module is further operable for determining a level of user interest in a second application of the one or more applications,

wherein the second application is not an interactive application, or

wherein the flow modification module is further operable for reducing a second transport flow of the second application in order to prioritize a first transport flow of the first interactive application.

27. The apparatus of claim 23, wherein the flow modification module is further operable for:

prioritizing the transport flow associated with the at least one application of the one or more applications over transport flows not associated with the at least one application of the one or more applications.

28. The apparatus of claim 27, wherein the flow modification module is further operable for:

delaying outbound acknowledgements for the transport flows not associated with the at least one application of the one or more applications by adding a time value to each round trip time (RTT) for the outbound acknowledgements.

29. The apparatus of claim 28, wherein the time value comprises either:

a constant value or a multiplicative value that proportionally increases RTT for the applications other than the at least one application of the one or more applications.

30. The apparatus of claim 23, wherein the flow modification module is further operable for one or both of:

advertizing a reduced buffer size for the at least one application of the one or more applications, or

delaying bulk flows for applications other than the at least one application of the one or more applications.