ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,351, issued on Jan. 27, was assigned to Hyundai Motor Co. (Seoul, South Korea), Kia Corp. (Seoul, South Korea) and Korea National University of Transportation Industry-Academic Cooperation Foundation (Chungju-si, South Korea).

"Method and device for transmitting frame through determination of channel expansion in broadband wireless communication network" was invented by Yong Ho Kim (Incheon, South Korea) and Han Seul Hong (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a first communication node in a wireless communication network may comprise: a step for measuring the channel busy ratio of a first channel; ...