ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,422, issued on Feb. 10, was assigned to Panasonic Intellectual Property Corporation of America (Torrance, Calif.).

"Communication apparatus and communication method for PPDU format identification" was invented by Lei Huang (Singapore), Yoshio Urabe (Nara, Japan), Yanyi Ding (Singapore) and Rojan Chitrakar (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides communication apparatus and communication method for PPDU format identification. The communication apparatus includes circuitry adapted to generate a Physical Layer Protocol Data Unit, PPDU, that contains a first signal field, a second signal field and a third...