ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,690, issued on Jan. 20, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).
"System for transmitting reference signal with information on state of channel" was invented by Hee Soo Lee (Daejeon, South Korea), Tae Gyun Noh (Daejeon, South Korea), Jae Young Ahn (Daejeon, South Korea), Kyoung Seok Lee (Daejeon, South Korea) and Young Jo Ko (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub...