Resource management for a wireless device

1. A method of managing resources on a wireless device, comprising:

detecting, by a processor, for congestion of resources on the wireless device; and

in response to detecting a congested resource on the wireless device utilizing a data flow, reducing the data flow by causing the wireless device to transmit a DRC (Data Rate Control) pattern selected from a plurality of DRC patterns, each DRC pattern having a corresponding ON fraction, where an ON fraction for a particular DRC pattern is a ratio of a number of a number of ON periods in the particular DRC pattern to a sum of the number of ON periods and a number of OFF periods in the particular DRC pattern, wherein ON period is a time interval for which one or more non-zero rate DRC messages are transmitted, and an OFF period is a time interval in which one or more zero rate DRC messages are transmitted.

2. The method of claim 1 , wherein the resources on the wireless device comprise central processing unit (CPU) resources, or memory resources, or bus resources, or power resources, or a combination thereof.

3. The method of claim 2 , wherein the detecting for congestion comprises declaring congestion of the CPU resources if usage of a processor exceeds a high threshold.

4. The method of claim 1 , wherein the reducing the data flow by causing the wireless device to transmit a DRC (Data Rate Control) pattern comprises sending messages at Layer 1 or Layer 2 to control transmission of data for the one data flow.

5. The method of claim 1 , wherein a portion of the DRC pattern enabling data transmission is determined based on bandwidth and QoS (Quality of Service) requirements of the data flow.

6. The method of claim 5 , wherein the messages of the DRC pattern enabling data transmission are spaced closer than latency requirements of the data flow.

7. The method of claim 1 , wherein the reducing the data flow by causing the wireless device to transmit a DRC (Data Rate Control) pattern further comprises

determining usage of the congested resource, and

selecting another DRC pattern with a higher ON fraction or a lower ON fraction than the DRC pattern based on the usage of the congested resource.

8. The method of claim 6 , further comprising:

selecting the another DRC pattern to have a next lower ON fraction if usage of the congested resource is greater than a high threshold, and

selecting the another DRC pattern to have a next higher ON fraction if usage of the congested resource is less than a low threshold.

9. The method of claim 1 , dropping at least one carrier used for data transmission to relieve congestion of the congested resource if more than one carrier is in use.

10. The method of claim 7 , further comprising:

restoring the at least one carrier if usage of the congested resource is below a threshold.

11. The method of claim 1 , wherein the detecting for congestion comprises

receiving usage reports for the resources on the wireless device, and

detecting for congestion of the resources based on the usage reports.

12. The method of claim 11 , wherein the usage reports are sent periodically, or when triggered by occurrence of predetermined events, or when requested, or based on a combination thereof.

13. An apparatus for managing resources, comprising:

means for detecting for congestion of resources on a wireless device; and

means for reducing a data flow associated with a congested resource by causing the wireless device to transmit a DRC (Data Rate Control) pattern selected from a plurality of DRC patterns, each DRC pattern having a corresponding ON fraction, where an ON fraction for a particular DRC pattern is a ratio of a number of ON periods in the particular DRC pattern to a sum of the number of ON periods and a number of OFF periods in the particular DRC pattern, wherein an ON period is a time interval for which one or more non-zero rate DRC messages are transmitted, and an OFF period is a time interval in which one or more zero rate DRC messages are transmitted.

14. The apparatus of claim 13 , further comprising:

means for selecting the DRC pattern to have a next lower ON fraction if usage of the congested resource is greater than a high threshold, and

means for selecting the DRC pattern to have a next higher ON fraction if usage of the congested resource is less than a low threshold.

15. The apparatus of claim 14 , further comprising:

means for selecting the DRC pattern to have a next lower ON fraction if usage of the congested resource is greater than a target level, and

means for selecting the DRC pattern to have a next higher ON fraction if usage of the congested resource is less than the target level.

16. The apparatus of claim 13 , wherein the means for reducing the data comprises means for dropping at least one carrier used for data transmission to relieve congestion of the congested resource provided more than one carrier is used.

17. An apparatus for wireless communication, comprising:

at least one processor configured to detect for congestion of resources on a wireless device, and to reduce a data flow associated with a congested resource by causing the wireless device to transmit a DRC (Data Rate Control) pattern selected from a plurality of DRC patterns, each DRC pattern having a corresponding ON fraction, where an ON fraction for a particular DRC pattern is a ratio of a number of ON periods in the particular DRC pattern to a sum of the number of ON periods and a number of OFF periods in the particular DRC pattern, wherein an ON period is a time interval for which one or more non-zero rate DRC messages are transmitted, and an OFF period is a time interval in which one or more zero rate DRC messages are transmitted.

18. The apparatus of claim 17 , wherein the at least one processor is configured to select the DRC pattern to have a next lower ON fraction if usage of the congested resource is greater than a high threshold, and to select the DRC pattern to have a next higher ON fraction if usage of the congested resource is less than a low threshold.

19. The apparatus of claim 18 , wherein the at least one processor is configured to select the DRC pattern to have a next lower ON fraction if usage of the congested resource is greater than a target level, and to select the DRC pattern to have a next higher ON fraction if usage of the congested resource is less than the target level.

20. The apparatus of claim 17 , wherein the at least one processor is configured to drop at least one carrier used for data transmission to relieve congestion of the congested resources.

21. A computer program product, comprising:

a computer-readable medium comprising:

code for causing at least one processor to detect for congestion of resources on a wireless device, and

code for causing the at least one processor to reduce a data flow associated with a congested resource by causing the wireless device to transmit a DRC (Data Rate Control) pattern selected from a plurality of DRC patterns, each DRC pattern having a corresponding ON fraction, where an ON fraction for a particular DRC pattern is a ratio of a number of ON periods in the particular DRC pattern to a sum of the number of ON periods and a number of OFF periods in the particular DRC pattern, wherein an ON period is a time interval for which one or more non-zero rate DRC messages are transmitted, and an OFF period is a time interval in which one or more zero rate DRC messages are transmitted.