ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,660, issued on Dec. 2, was assigned to NTT Inc. (Tokyo).

"Wireless communication system, wireless communication method, and receiver" was invented by Hayato Fukuzono (Musashino, Japan), Keita Kuriyama (Musashino, Japan), Daisei Uchida (Musashino, Japan), Masafumi Yoshioka (Musashino, Japan) and Toshifumi Miyagi (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless communication system according to an embodiment is a wireless communication system, in which a transmission device transmits the training signal to a reception device such that a plurality of signal points having different amplitudes on a constellation is included, and...