Granted Patent B2

US 8,509,156 · App. 13/546,590 · Granted Aug 13, 2013

Abstract

Claims (53)

1. A system for adaptive control of an averaging parameter in a network having a plurality of mobile stations communicably coupled to a base station, the system comprising an averaging parameter adaptive control module associated with the base station, the averaging parameter adaptive control module comprising one or more processors configured to:

generate a first averaging parameter, wherein the first averaging parameter is transmitted by the base station, via a communication channel, to at least one mobile station communicably coupled to the base station,

wherein the at least one mobile station uses the first averaging parameter to generate first channel condition information that indicates a condition of the communication channel and that is used by the base station to control download link adaptation for the communication channel;

receive first feedback information comprising the first channel condition information from the at least one mobile station;

generate a second averaging parameter using the first averaging parameter and the first feedback information; and

transmit the second averaging parameter from the base station to the at least one mobile station, thereby adaptively controlling the second averaging parameter based at least in part on the first feedback information.

2. The system of claim 1 , wherein the one or more processors of the averaging parameter adaptive control module are further configured to:

receive second feedback information comprising second condition information from the at least one mobile station;

generate a third averaging parameter using the second averaging parameter and the second feedback information; and

transmit the third averaging parameter from the base station to the at least one mobile station, thereby adaptively controlling the third averaging parameter based at least in part on the second feedback information.

3. The system of claim 1 , wherein the first averaging parameter is a fractional ratio expressed as an integer multiple of 1/16th.

4. The system of claim 1 , wherein the first channel condition information comprises Physical Carrier to Interference and Noise Ratio (PCINR) information and Received Signal Strength Indication (RSSI) information.

5. The system of claim 1 , wherein the network is a WIMAX network.

6. The system of claim 1 , wherein to generate the second averaging parameter, the one or more processors are further configured to apply a first linear function of a first plurality of potential averaging parameters to the first feedback information.

7. The system of claim 6 , wherein the first linear function Is adjusted based on a second linear function of a second plurality of potential averaging parameters.

8. The system of claim 6 , wherein the first feedback information further comprises a first standard deviation of the first channel condition information, and wherein the first linear function linearly associates the first plurality of potential averaging parameters with a plurality of standard deviations.

9. A base station for adaptive control of an averaging parameter in a network having a plurality of mobile stations communicably coupled to the base station, the base station comprising:

averaging parameter adaptive control module comprising one or more processors configured to:

generate a first averaging parameter;

transmit the first averaging parameter from the base station to at least one mobile station communicably coupled to the base station, wherein the at least one mobile station uses the first averaging parameter to generate first channel condition information;

receive first feedback information comprising the first channel condition information from the at least one mobile station;

adapt the first averaging parameter using the first feedback information and generate a second averaging parameter based on the adaptation; and

transmit the second averaging parameter from the base station to the at least one mobile station.

10. An adaptive control device associated with base station for adaptive control of an averaging parameter in a network having a plurality of mobile stations communicably coupled to base station, the adaptive control device comprising:

one or more processors configured to:

generate a first averaging parameter;

transmit the first averaging parameter from the base station to at least one mobile station communicably coupled to the base station, wherein the at least one mobile station uses the first averaging parameter to generate first channel condition information;

receive first feedback information comprising the first channel condition information from the at least one mobile station;

adapt the first averaging parameter using the first feedback information and generate a second averaging parameter based on the adaptation; and

transmit the second averaging parameter from the base station to the at least one mobile station.

11. A computer-implemented method for adaptive control of an averaging parameter in a network having a plurality of mobile stations communicably coupled to a base station, the computer-implemented method comprising:

generating, by one or more processors of an averaging parameter control module associated with the base station, a first averaging parameter, wherein the first averaging parameter is transmitted by the base station, via a communication channel, to at least one mobile station communicably coupled to the base station,

wherein the at least one mobile station uses the first averaging parameter to generate first channel condition information that indicates a condition of the communication channel and that is used by the base station to control download link adaptation for the communication channel;

receiving, by the one or more processors of the averaging parameter control module, first feedback information comprising the first channel condition information from the at least one mobile station;

generating, by the one or more processors of the averaging parameter control module, a second averaging parameter using the first averaging parameter and the first feedback information; and

transmitting, by the one or more processors of the averaging parameter control module, the second averaging parameter from the base station to the at least one mobile station, thereby adaptively controlling the second averaging parameter based at least in part on the first feedback information.

12. The computer-implemented method of claim 11 , the method further comprising:

receiving, by the one or more processors of the averaging parameter control module, second feedback information comprising second condition information from the at least one mobile station;

generating, by the one or more processors of the averaging parameter control module, a third averaging parameter using the second averaging parameter and the second feedback information; and

transmitting, by the one or more processors of the averaging parameter control module, the third averaging parameter from the base station to the at least one mobile station, thereby adaptively controlling the third averaging parameter based at least in part on the second feedback information.

13. The computer-implemented method of claim 11 , wherein the first averaging parameter is a fractional ratio expressed as an integer multiple of 1/16th.

14. The computer-implemented method of claim 11 , wherein the first channel condition information comprises Physical Carrier to Interference and Noise Ratio (PCINR) information and Received Signal Strength Indication (RSSI) information.

15. The computer-implemented method of claim 11 , wherein the network is a WIMAX network.

16. The computer-implemented method of claim 11 , wherein said generating the second averaging parameter comprises applying a first linear function of a first plurality of potential averaging parameters to the first feedback information.

17. The computer-implemented method of claim 16 , wherein the first linear function Is adjusted based on a second linear function of a second plurality of potential averaging parameters.

18. The computer-implemented method of claim 16 , wherein the first feedback information further comprises a first standard deviation of the first channel condition information, and wherein the first linear function linearly associates the first plurality of potential averaging parameters with a plurality of standard deviations.

19. A non-transitory computer readable medium storing computer executable instructions for adaptive control of an averaging parameter in a network having a plurality of mobile stations communicably coupled to a base station, the instruction when executed configuring one or more processors to perform the functions of:

generating a first averaging parameter, wherein the first averaging parameter is transmitted by the base station, via a communication channel, to at least one mobile station communicably coupled to the base station,

wherein the at least one mobile station uses the first averaging parameter to generate first channel condition information that indicates a condition of the communication channel and that is used by the base station to control download link adaptation for the communication channel;

receiving first feedback information comprising the first channel condition information from the at least one mobile station;

generating a second averaging parameter using the first averaging parameter and the first feedback information; and

transmitting the second averaging parameter from the base station to the at least one mobile station, thereby adaptively controlling the second averaging parameter based at least in part on the first feedback information.

20. The computer readable medium of claim 19 , wherein said generating the second averaging parameter comprises applying a first linear function of a first plurality of potential averaging parameters to the first feedback information.

Assignments (8)