| CPC H04B 7/0452 (2013.01) [H04B 7/0456 (2013.01); H04L 25/0204 (2013.01)] | 20 Claims |
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1. An access point (AP) for wireless communication, comprising:
data processing hardware; and
memory hardware in communication with the data processing hardware, the memory hardware storing instructions that when executed on the data processing hardware cause the data processing hardware to perform operations comprising:
identify, at the AP, a plurality of transmitting stations having a plurality of spatial streams;
send, from the AP to the plurality of transmitting stations, a sounding request;
perform, at the AP, multiple user multiple input multiple output (MU-MIMO) channel estimation based on a sounding request response;
compute, at the AP, one or more precoder coefficients for the plurality of transmitting stations based on the MU-MIMO channel estimation;
send, from the AP to the plurality of transmitting stations, the one or more precoder coefficients and a transmission trigger;
receive, at the AP from a station of the plurality of transmitting stations, a transmission that was sent to the AP in view of the one or more precoder coefficients;
update at the AP, the one or more precoder coefficients to generate one or more updated precoder coefficients with respect to the station; and
send, from the AP to the station, the one or more updated precoder coefficients.
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