ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,462, issued on Sept. 9, was assigned to SONY GROUP Corp. (Tokyo).
"First and second communication devices and methods" was invented by Daniel Verenzuela (Stuttgart, Germany), Thomas Handte (Stuttgart, Germany) and Dana Ciochina-Kar (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A first communication device that is configured to transmit data to a second communication device comprises circuitry configured to generate a second number of mutually orthogonal sequences; generate a third number of one or more spatial streams, each spatial stream carrying payload data; split each of a first number of training symbols into a fourth numb...