ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,879, issued on April 8, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).
"Method and apparatus for estimating channel in communication system" was invented by Young Seog Song (Daejeon, South Korea), Eun Young Choi (Daejeon, South Korea), Song Noh (Incheon, South Korea) and Kyung Sik Seo (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of estimating a channel of a base station in a communication system using an IRS may comprise: receiving a first signal through a direct path between a terminal and the base station from the terminal and a second signal through an indirect path t...