ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,383, issued on Jan. 28, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).
"Communication path presuming method and wireless communication device" was invented by Keita Kuriyama (Musashino, Japan), Hayato Fukuzono (Musashino, Japan) and Toshifumi Miyagi (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An accompanying matrix adjH(z, t) of a transfer function matrix H(z, t) established between a transmission station and a reception station is defined as a transmission weight WT(z). An M sequence part is divided into two blocks to obtain an M sequence first half part and an M sequence second half part. A training symbol #1 ha...