ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,393, issued on March 25, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).

"Method and apparatus for transmitting sounding reference signal in wireless communication system of unlicensed band method and apparatus for triggering sounding reference signal transmission" was invented by Jung Sun Um (Daejeon, South Korea), Hoiyoon Jung (Daejeon, South Korea), Seung Keun Park (Daejeon, South Korea) and Sungjin Yoo (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a method for transmitting, by a terminal, a sounding reference signal (SRS). The terminal receives a grant for ...