Patent ID: 9571249
Date: 2017-02-14
CPC Classifications: H04B,H04L,H04W

Claim:
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: 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.