ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,593, issued on Feb. 3, was assigned to Panasonic Intellectual Property Corporation of America (Torrance, Calif.).

"Apparatus and method for diversity transmission in a wireless communications system" was invented by Lei Huang (Singapore), Yoshio Urabe (Nara, Japan) and Rojan Chitrakar (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication apparatus of the present disclosure includes a receiver which, in operation, receives a signal that includes a non-legacy preamble and a data field, the non-legacy preamble comprising a first field for indicating a number of spatial streams (Nss) in the data field and a second field for indicating...