ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,240, issued on Feb. 17, was assigned to Marvell Asia Pte Ltd (Singapore).
"Spatial stream configuration encoding for WiFi" was invented by Yan Zhang (San Jose, Calif.), Rui Cao (Sunnyvale, Calif.), Bo Yu (San Jose, Calif.), Hongyuan Zhang (Fremont, Calif.) and Liwen Chu (San Ramon, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A first client station receives a multi-user physical layer (PHY) data unit from an access point. The multi-user PHY data unit includes i) a PHY preamble, and ii) an MU-MIMO transmission. The PHY preamble includes respective subfields that indicate respective numbers of spatial streams allocated to respective client st...