Controlling transmission of data
View Patent ↗In an embodiment, a method of controlling transmission of data from a wireless device to a receiver connected via a communication channel includes an application executing on the wireless device providing an estimate of end-to-end bandwidth of the communication channel; supplying to the application from wireless access circuitry in the wireless device at least on communication-related parameter and modifying in the application the estimate of end-to-end bandwidth using the at least one communication-related parameter.
1. A wireless device comprising:
a processor;
a computer-readable medium;
an application stored on the computer-readable medium and, when executed on the processor, is configured to perform operations for controlling transmission of data from the wireless device to a receiver connected via a communication channel, the operations comprising:
providing an estimate of end-to-end bandwidth of the communication channel by at least:
receiving at the application from wireless access circuitry in the wireless device at least one communication-related parameter; and
modifying in the application the estimate of end-to-end bandwidth using the at least one communication-related parameter.
2. The wireless device of claim 1 , wherein the at least one communication related parameter comprises an indication of a quantity of data in a buffer of the wireless access circuitry.
3. The wireless device of claim 1 , wherein the indication comprises at least one of an indication in time or bits.
4. The wireless device of claim 1 , wherein the at least one communication-related parameter comprises a congestion indicator parameter.
5. The wireless device of claim 1 , wherein the at least one communication-related parameter comprises a wireless signal quality parameter determined by the wireless access circuitry.
6. The wireless device of claim 1 , wherein the aggregate is determined according to the following:
f ( p ( k ))=min(beta*BW — e 2 e ( k ), alpha( k )*BW — e 2 e ( k )*( d _target− d _aggr( k )) (2).
7. The wireless device of claim 1 , wherein the aggregate is smoothed over time, and wherein the smoothed aggregate is used in modifying the estimate of end-to-end bandwidth.
8. The wireless device of claim 1 , further comprising operations of controlling a transmission rate of the data from the wireless device based on the modified estimate of end-to-end bandwidth.
9. The wireless device of claim 1 , wherein the aggregate is used in a function comprising a multiplying factor of a difference between a target and a current aggregate, the multiplying factor depending on an indication of data sent by other applications using the communication channel.
10. The wireless device of claim 1 , wherein the application is configured to generate the estimate of end-to-end bandwidth at the wireless device.
11. The wireless device of claim 1 , wherein the application is configured to receive an estimate of end-to-end bandwidth from a remote device.
12. The wireless device of claim 1 , wherein modifying the estimate of the end-to-end bandwidth comprises using an aggregate of a plurality of different communication-related parameters.
13. A method of controlling transmission of data from a wireless device to a receiver connected via a communication channel, the method comprising:
an application executing on the wireless device providing an estimate of end-to-end bandwidth of the communication channel;
receiving at the application from wireless access circuitry in the wireless device at least one communication-related parameter;
modifying in the application the estimate of end-to-end bandwidth using the at least one communication-related parameter.
14. A method according to claim 13 , wherein the at least one communication related parameter comprises an indication of a quantity of data in a buffer of the wireless access circuitry.
15. A method according to claim 14 , wherein the indication comprises at least one of an indication in time or bits.
16. A method according to claim 13 , wherein the at least one communication-related parameter comprises a congestion indicator parameter.
17. A method according to claim 13 , wherein the at least one communication-related parameter comprises a wireless signal quality parameter determined by the wireless access circuitry.
18. A method according to claim 13 , wherein modifying the estimate of the end-to-end bandwidth comprises using an aggregate of a plurality of different communication-related parameters.
19. A method according to claim 18 , wherein the aggregate is determined according to the following:
f ( p ( k ))=min(beta*BW — e 2 e ( k ), alpha( k )*BW — e 2 e ( k )*( d _target− d _aggr( k )) (2).
20. A method according to claim 18 , wherein the aggregate is smoothed over time, and wherein the smoothed aggregate is used in modifying the estimate of end-to-end bandwidth.
21. A method according to claim 18 , wherein the aggregate is used in a function comprising a multiplying factor of a difference between a target and a current aggregate, the multiplying factor depending on an indication of data sent by other applications using the communication channel.
22. A method according to claim 13 comprising controlling a transmission rate of the data from the wireless device based on the modified estimate of end-to-end bandwidth.
23. A method according to claim 13 wherein the application is configured to generate the estimate of end-to-end bandwidth at the wireless device.
24. A method according to claim 13 wherein the application is configured to receive an estimate of end-to-end bandwidth from a remote device.