Granted Patent B2

US 10,193,607 · App. 15/758,726 · Granted Jan 29, 2019

Inventors: Yui Ming Tsang (Sunnyvale, CA); Sandip C. Patel (Sunnyvale, CA)

Assignee: ARRIS Enterprises LLC

H04B7/0617H04B7/0626H04L25/0224

Abstract

Claims (52)

1. An electronic device, comprising a transceiver, wherein the transceiver comprises:

an interface circuit configured to communicate with at least another electronic device, wherein the transceiver is configured to:

initialize a set of potential sounding intervals, wherein a given potential sounding interval specifies how often transmission beamforming is updated using sounding packets;

communicate, for at least the other electronic device, first packets with and second packets without transmission beamforming for the set of potential sounding intervals, wherein an antenna pattern of the electronic device for use when communicating the first packets is updated;

receive transmission statistics for the communication with at least the other electronic device;

calculate rank positions for the set of potential sounding intervals based at least in part on a performance metric associated with the transmission statistics and numbers of packets transmitted with transmission beamforming for the set of potential sounding intervals out of a total number of packets transmitted;

determine an output sounding interval based at least in part on the calculated rank positions;

repeat the communicating, receiving, calculating and determining until a convergence criterion is achieved, wherein the convergence criterion corresponds to a difference in the output sounding interval determined in two or more instances of the repeating;

calculate frequencies, over multiple iterations, based at least in part on the rank positions for the set of potential sounding intervals;

determine, when the convergence criterion is achieved, a moment based at least in part on the calculated frequencies;

repeat the set of potential sounding intervals; and

repeat, one or more times, the communicating, receiving, calculating, determining the output sounding interval, calculating the frequencies, and determining the moment based at least in part on the revised set of potential sounding intervals.

2. The electronic device of claim 1 , wherein the moment comprises one of: a mean, and a median.

3. The electronic device of claim 1 , wherein the transceiver is configured to exclude errors in the transmission statistics that are associated with effects other than transmission beamforming.

4. The electronic device of claim 1 , wherein the transmission statistics comprise one or more of: transmission errors associated with noise, transmission errors associated with collisions and interference, and transmission errors associated with the antenna pattern.

5. The electronic device of claim 1 , wherein the transmission statistics comprise at least two of: the total number of packets transmitted, the number of packets transmitted using transmission beamforming, and a number of packets transmitted without using transmission beamforming.

6. The electronic device of claim 1 , wherein the transceiver comprises an antenna with multiple elements that, during the communication, provides the antenna pattern.

7. The electronic device of claim 1 , wherein the transceiver comprises one of: an access point, and a cellular telephone.

8. The electronic device of claim 1 , wherein the communication of the first packets and the second packets is compatible with an IEEE 802.11 standard.

9. A non-transitory computer-readable storage medium for use in conjunction with an electronic device, the computer-readable storage medium storing program instructions, wherein, when executed by the electronic device, the program instructions cause the electronic device to determine a sounding interval by performing one or more operations comprising:

initializing a set of potential sounding intervals, wherein a given potential sounding interval specifies how often transmission beamforming is updated using sounding packets;

communicating, for at least another electronic device, first packets with and second packets without transmission beamforming for the set of potential sounding intervals, wherein, during the communication, an antenna pattern of the electronic device for use when communicating the first packets is updated;

receiving transmission statistics for the communication with at least the other electronic device;

calculating rank positions for the set of potential sounding intervals based at least in part on a performance metric associated with the transmission statistics and numbers of packets transmitted with transmission beamforming for the set of potential sounding intervals out of a total number of packets transmitted;

determining an output sounding interval based at least in part on the calculated rank positions;

repeating the communicating, receiving, calculating, calculating and determining until a convergence criterion is achieved, wherein the convergence criterion corresponds to a difference in the output sounding interval determined in two or more instances of the repeating;

calculating frequencies, over multiple iterations, based at least in part on the rank positions for the set of potential sounding intervals;

determining, when the convergence criterion is achieved, a moment based at least in part on the calculated frequencies;

revising the set of potential sounding intervals; and

repeating, one or more times, the communicating, receiving, calculating, determining the output sounding interval, calculating the frequencies, and determining the moment based at least in part on the revised set of potential sounding intervals.

10. The non-transitory computer-readable storage medium of claim 9 , wherein the moment comprises one of: a mean, and a median.

11. The non-transitory computer-readable storage medium of claim 9 , wherein the one or more operations comprise excluding errors in the transmission statistics that are associated with effects other than transmission beamforming.

12. The non-transitory computer-readable storage medium of claim 9 , wherein the transmission statistics comprise one or more of: transmission errors associated with noise, transmission errors associated with collisions and interference, and transmission errors associated with the antenna pattern.

13. The non-transitory computer-readable storage medium of claim 9 , wherein the transmission statistics comprise at least two of: the total number of packets transmitted, the number of packets transmitted using transmission beamforming, and a number of packets transmitted without using transmission beamforming.

14. The non-transitory computer-readable storage medium of claim 9 , wherein the electronic device comprises one of: an access point, and a cellular telephone.

15. A method for determining a sounding interval, wherein the method comprises:

by an electronic device:

initializing a set of potential sounding intervals, wherein a given potential sounding interval specifies how often transmission beamforming is updated using sounding packets;

communicating, for at least another electronic device, first packets with and second packets without transmission beamforming for the set of potential sounding intervals, wherein, during the communication, an antenna pattern of the electronic device for use when communicating the first packets is updated;

receiving transmission statistics for the communication with at least the other electronic device;

calculating rank positions for the set of potential sounding intervals based at least in part on a performance metric associated with the transmission statistics and numbers of packets transmitted with transmission beamforming for the set of potential sounding intervals out of a total number of packets transmitted;

determining an output sounding interval based at least in part on the calculated rank positions;

repeating the communicating, receiving, calculating, and determining until a convergence criterion is achieved, wherein the convergence criterion corresponds to a difference in the output sounding interval determined in two or more instances of the repeating;

calculating frequencies, over multiple iterations, based at least in part on the rank positions for the set of potential sounding intervals;

determining, when the convergence criterion is achieved, a moment based at least in part on the calculated frequencies;

revising the set of potential sounding intervals; and

repeating, one or more times, the communicating, receiving, calculating, determining the output sounding interval, calculating the frequencies, and determining the moment based at least in part on the revised set of potential sounding intervals.

16. The method of claim 15 , wherein the moment comprises one of: a mean, and a median.

17. The method of claim 15 , wherein the method further comprises excluding errors in the transmission statistics that are associated with effects other than transmission beamforming.

18. The method of claim 15 , wherein the transmission statistics comprise one or more of: transmission errors associated with noise, transmission errors associated with collisions and interference, and transmission errors associated with the antenna pattern.

19. The method of claim 15 , wherein the transmission statistics comprise at least two of: the total number of packets transmitted, the number of packets transmitted using transmission beamforming, and a number of packets transmitted without using transmission beamforming.

20. The method of claim 15 , wherein the electronic device comprises one of: an access point, and a cellular telephone.

Assignments (13)

Continuity (2)