Dynamic control of channel sounding for transmit beamforming

1. A non-transitory computer readable medium comprising instructions which, when executed by one or more devices, causes performance of operations comprising:

periodically transmitting, by a network device, sounding frames to a particular device at a first sounding interval, wherein the first sounding interval refers to a first interval of time between transmission of sounding frames;

receiving from the particular device a first feedback matrix corresponding to the sounding frames transmitted at the first sounding interval;

based on one or more current conditions included in the first feedback matrix, selecting a second sounding interval to transmit the sounding frames to the particular device, wherein:

the second sounding interval refers to a second interval of time between transmission of sounding frames; and

the second sounding interval is different than the first sounding interval;

computing a steering matrix to direct the sounding frames to the particular device at the second sounding interval, wherein the steering matrix is calculated based on the first feedback matrix;

periodically transmitting the sounding frames to the particular device at the second sounding interval; and

receiving from the particular device a second feedback matrix corresponding to the sounding frames transmitted at the second sounding interval.

2. The medium of claim 1 , wherein the second sounding interval is dynamically selected based on a current data transmission rate being used for transmissions to the particular device.

3. The medium of claim 1 , wherein the second sounding interval is dynamically selected based on a rate at which the particular device is physically moving within a physical environment.

4. The medium of claim 1 , wherein the second sounding interval is dynamically selected based on an estimate of a current distance between (a) the network device and (b) the particular device.

5. The medium of claim 1 , wherein the second sounding interval is dynamically selected based on a packet error rate for packets exchanged between (a) the network device and (b) the particular device.

6. The Medium of claim 1 , wherein the feedback matrix comprises Channels State Information (CSI).

7. The medium of claim 1 , wherein the operations further comprise modifying a radiation pattern for transmitting wireless signals to the particular device.

8. The medium of claim 1 , wherein the operations further comprise decreasing the second sounding interval at least in response to detecting physical movement in an environment of the particular device.

9. The medium of claim 1 , wherein the second sounding interval is dynamically determined based at least on a number of client devices associated with a network device that performs the transmitting operations.

10. The medium of claim 1 , wherein the second sounding interval is dynamically determined based on one or more of: a current amount of data being transmitted by the particular device, being transmitted to the particular device, being transmitted by a second device different than the particular device, and/or being transmitted to the second device.

11. The medium of claim 1 , wherein the second sounding interval is dynamically determined based on a current load of a radio frequency channel used for communication with the particular device.

12. The medium of claim 1 , wherein the second sounding interval is dynamically determined based on a Virtual Access Point (VAP) with which the particular device is associated.

13. The medium of claim 1 , wherein the second sounding interval is dynamically determined based on a user role associated with a user of the particular device.

14. The medium of claim 1 , wherein the second sounding interval is dynamically determined based on a type of the particular device.

15. The medium of claim 1 , wherein the second sounding interval is dynamically determined based on characteristics of data transmitted by the particular device.

16. The medium of claim 1 , wherein a process for selection of a new sounding interval for transmitting the sounding frames is initiated in response to determining that a radiation pattern used for devices, other than the particular device, has been modified.

17. The medium of claim 1 , wherein the second sounding interval is selected based on characteristics associated with a plurality of devices which are targets for wireless signals transmitted by the network device.

18. The medium of claim 1 , wherein the second sounding interval is used for transmitting sound frames by a first radio of a network device, and wherein the second sounding interval is based at least on a third sounding interval used by a second radio of the network device.

19. A non-transitory computer readable medium comprising instructions which, when executed by one or more devices, causes performance of operation comprising:

periodically performing, by a network device, a sounding process at a first sounding interval to obtain a feedback matrix, wherein the first sounding interval refers to a first interval of time between transmission of sounding frames;

based on one or more current conditions included in the feedback matrix, selecting a second sounding interval to perform the sounding process, wherein:

the second sounding interval refers to a second interval of time between transmission of sounding frames; and

the second sounding interval is different than the first sounding interval;

computing a steering matrix to direct the sounding frames based on the feedback matrix; and

periodically performing, by the network device, the sounding process at the second sounding interval to obtain an additional feedback matrix.