ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,884, issued on Feb. 25, was assigned to Apple Inc. (Cupertino, Calif.).

"Enhancement to multi-user MIMO by channel state information reporting" was invented by Louay Jalloul (San Jose, Calif.) and Ghaith N. Hattab (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are for configuring multi-user multiple-input multiple output (MU-MIMO) operation by a base station and a plurality of UEs include requesting sounding reference signals (SRS) or channel state information (CSI) data from each UE of the plurality; configuring, based on the SRS or CSI data from each UE, a precoder matrix, the precoder matrix allocating a p...